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    <admin>
        <current_status>
            <date>2024-05-15</date>
            <code>REL</code>
            <processing_site>PDBe</processing_site>
        </current_status>
        <sites>
            <deposition>PDBe</deposition>
            <last_processing>PDBe</last_processing>
        </sites>
        <key_dates>
            <deposition>2018-04-17</deposition>
            <header_release>2018-05-23</header_release>
            <map_release>2018-06-20</map_release>
            <update>2024-05-15</update>
        </key_dates>
        <grant_support>
            <grant_reference>
                <funding_body>German Research Foundation</funding_body>
                <code>FOR1805</code>
                <country>Germany</country>
            </grant_reference>
            <grant_reference>
                <funding_body>German Research Foundation</funding_body>
                <code>SFB740</code>
                <country>Germany</country>
            </grant_reference>
        </grant_support>
        <title>50S ribosomal subunit assembly intermediate - 50S rec*</title>
        <authors_list>
            <author>Nikolay R</author>
            <author>Hilal T</author>
        </authors_list>
        <keywords>assembly precursor 48S 50S biogenesis in vitro reconstitution, RIBOSOME</keywords>
    </admin>
    <crossreferences>
        <citation_list>
            <primary_citation>
                <journal_citation published="true">
                    <author order="1">Nikolay R</author>
                    <author order="2">Hilal T</author>
                    <author order="3">Qin B</author>
                    <author order="4">Mielke T</author>
                    <author order="5">Burger J</author>
                    <author order="6">Loerke J</author>
                    <author order="7">Textoris-Taube K</author>
                    <author order="8">Nierhaus KH</author>
                    <author order="9">Spahn CMT</author>
                    <title>Structural Visualization of the Formation and Activation of the 50S Ribosomal Subunit during In Vitro Reconstitution.</title>
                    <journal_abbreviation>Mol. Cell</journal_abbreviation>
                    <country>US</country>
                    <volume>70</volume>
                    <first_page>881</first_page>
                    <last_page>893.e3</last_page>
                    <year>2018</year>
                    <external_references type="PUBMED">29883607</external_references>
                    <external_references type="DOI">doi:10.1016/j.molcel.2018.05.003</external_references>
                    <external_references type="ISSN">1097-4164</external_references>
                    <external_references type="CSD">2168</external_references>
                    <external_references type="ASTM">MOCEFL</external_references>
                </journal_citation>
            </primary_citation>
        </citation_list>
        <emdb_list>
            <emdb_reference>
                <emdb_id>EMD-4378</emdb_id>
                <relationship>
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                </relationship>
            </emdb_reference>
            <emdb_reference>
                <emdb_id>EMD-4379</emdb_id>
                <relationship>
                    <other>other EM volume</other>
                </relationship>
            </emdb_reference>
            <emdb_reference>
                <emdb_id>EMD-4380</emdb_id>
                <relationship>
                    <other>other EM volume</other>
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            <emdb_reference>
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        </emdb_list>
        <pdb_list>
            <pdb_reference>
                <pdb_id>6gc8</pdb_id>
                <relationship>
                    <in_frame>FULLOVERLAP</in_frame>
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        </pdb_list>
    </crossreferences>
    <sample>
        <name>50S ribosomal subunit assembly intermediate - 50S rec*</name>
        <supramolecule_list>
            <complex_supramolecule supramolecule_id="1">
                <name>50S ribosomal subunit assembly intermediate - 50S rec*</name>
                <parent>0</parent>
                <macromolecule_list>
                    <macromolecule>
                        <macromolecule_id>1</macromolecule_id>
                    </macromolecule>
                    <macromolecule>
                        <macromolecule_id>2</macromolecule_id>
                    </macromolecule>
                    <macromolecule>
                        <macromolecule_id>3</macromolecule_id>
                    </macromolecule>
                    <macromolecule>
                        <macromolecule_id>4</macromolecule_id>
                    </macromolecule>
                    <macromolecule>
                        <macromolecule_id>5</macromolecule_id>
                    </macromolecule>
                    <macromolecule>
                        <macromolecule_id>6</macromolecule_id>
                    </macromolecule>
                    <macromolecule>
                        <macromolecule_id>7</macromolecule_id>
                    </macromolecule>
                    <macromolecule>
                        <macromolecule_id>8</macromolecule_id>
                    </macromolecule>
                    <macromolecule>
                        <macromolecule_id>9</macromolecule_id>
                    </macromolecule>
                    <macromolecule>
                        <macromolecule_id>10</macromolecule_id>
                    </macromolecule>
                    <macromolecule>
                        <macromolecule_id>11</macromolecule_id>
                    </macromolecule>
                    <macromolecule>
                        <macromolecule_id>12</macromolecule_id>
                    </macromolecule>
                    <macromolecule>
                        <macromolecule_id>13</macromolecule_id>
                    </macromolecule>
                    <macromolecule>
                        <macromolecule_id>14</macromolecule_id>
                    </macromolecule>
                    <macromolecule>
                        <macromolecule_id>15</macromolecule_id>
                    </macromolecule>
                    <macromolecule>
                        <macromolecule_id>16</macromolecule_id>
                    </macromolecule>
                    <macromolecule>
                        <macromolecule_id>17</macromolecule_id>
                    </macromolecule>
                    <macromolecule>
                        <macromolecule_id>18</macromolecule_id>
                    </macromolecule>
                    <macromolecule>
                        <macromolecule_id>19</macromolecule_id>
                    </macromolecule>
                    <macromolecule>
                        <macromolecule_id>20</macromolecule_id>
                    </macromolecule>
                    <macromolecule>
                        <macromolecule_id>21</macromolecule_id>
                    </macromolecule>
                    <macromolecule>
                        <macromolecule_id>22</macromolecule_id>
                    </macromolecule>
                    <macromolecule>
                        <macromolecule_id>23</macromolecule_id>
                    </macromolecule>
                    <macromolecule>
                        <macromolecule_id>24</macromolecule_id>
                    </macromolecule>
                    <macromolecule>
                        <macromolecule_id>25</macromolecule_id>
                    </macromolecule>
                    <macromolecule>
                        <macromolecule_id>26</macromolecule_id>
                    </macromolecule>
                    <macromolecule>
                        <macromolecule_id>27</macromolecule_id>
                    </macromolecule>
                    <macromolecule>
                        <macromolecule_id>28</macromolecule_id>
                    </macromolecule>
                    <macromolecule>
                        <macromolecule_id>29</macromolecule_id>
                    </macromolecule>
                </macromolecule_list>
                <natural_source database="NCBI">
                    <organism ncbi="83333">Escherichia coli K-12</organism>
                </natural_source>
                <molecular_weight>
                    <theoretical units="MDa">1.5</theoretical>
                </molecular_weight>
            </complex_supramolecule>
        </supramolecule_list>
        <macromolecule_list>
            <rna macromolecule_id="1">
                <name>23S ribosomal RNA</name>
                <natural_source database="NCBI">
                    <organism ncbi="83333">Escherichia coli K-12</organism>
                </natural_source>
                <molecular_weight>
                    <theoretical units="MDa">0.941612375</theoretical>
                </molecular_weight>
                <number_of_copies>1</number_of_copies>
                <sequence>
                    <string>GGUUAAGCGACUAAGCGUACACGGUGGAUGCCCUGGCAGUCAGAGGCGAUGAAGGACGUGCUAAUCUGCGAUAAGCGUCG
GUAAGGUGAUAUGAACCGUUAUAACCGGCGAUUUCCGAAUGGGGAAACCCAGUGUGUUUCGACACACUAUCAUUAACUGA
AUCCAUAGGUUAAUGAGGCGAACCGGGGGAACUGAAACAUCUAAGUACCCCGAGGAAAAGAAAUCAACCGAGAUUCCCCC
AGUAGCGGCGAGCGAACGGGGAGCAGCCCAGAGCCUGAAUCAGUGUGUGUGUUAGUGGAAGCGUCUGGAAAGGCGCGCGA
UACAGGGUGACAGCCCCGUACACAAAAAUGCACAUGCUGUGAGCUCGAUGAGUAGGGCGGGACACGUGGUAUCCUGUCUG
AAUAUGGGGGGACCAUCCUCCAAGGCUAAAUACUCCUGACUGACCGAUAGUGAACCAGUACCGUGAGGGAAAGGCGAAAA
GAACCCCGGCGAGGGGAGUGAAAAAGAACCUGAAACCGUGUACGUACAAGCAGUGGGAGCACGCUUAGGCGUGUGACUGC
GUACCUUUUGUAUAAUGGGUCAGCGACUUAUAUUCUGUAGCAAGGUUAACCGAAUAGGGGAGCCGAAGGGAAACCGAGUC
UUAACUGGGCGUUAAGUUGCAGGGUAUAGACCCGAAACCCGGUGAUCUAGCCAUGGGCAGGUUGAAGGUUGGGUAACACU
AACUGGAGGACCGAACCGACUAAUGUUGAAAAAUUAGCGGAUGACUUGUGGCUGGGGGUGAAAGGCCAAUCAAACCGGGA
GAUAGCUGGUUCUCCCCGAAAGCUAUUUAGGUAGCGCCUCGUGAAUUCAUCUCCGGGGGUAGAGCACUGUUUCGGCAAGG
GGGUCAUCCCGACUUACCAACCCGAUGCAAACUGCGAAUACCGGAGAAUGUUAUCACGGGAGACACACGGCGGGUGCUAA
CGUCCGUCGUGAAGAGGGAAACAACCCAGACCGCCAGCUAAGGUCCCAAAGUCAUGGUUAAGUGGGAAACGAUGUGGGAA
GGCCCAGACAGCCAGGAUGUUGGCUUAGAAGCAGCCAUCAUUUAAAGAAAGCGUAAUAGCUCACUGGUCGAGUCGGCCUG
CGCGGAAGAUGUAACGGGGCUAAACCAUGCACCGAAGCUGCGGCAGCGACGCUUAUGCGUUGUUGGGUAGGGGAGCGUUC
UGUAAGCCUGCGAAGGUGUGCUGUGAGGCAUGCUGGAGGUAUCAGAAGUGCGAAUGCUGACAUAAGUAACGAUAAAGCGG
GUGAAAAGCCCGCUCGCCGGAAGACCAAGGGUUCCUGUCCAACGUUAAUCGGGGCAGGGUGAGUCGACCCCUAAGGCGAG
GCCGAAAGGCGUAGUCGAUGGGAAACAGGUUAAUAUUCCUGUACUUGGUGUUACUGCGAAGGGGGGACGGAGAAGGCUAU
GUUGGCCGGGCGACGGUUGUCCCGGUUUAAGCGUGUAGGCUGGUUUUCCAGGCAAAUCCGGAAAAUCAAGGCUGAGGCGU
GAUGACGAGGCACUACGGUGCUGAAGCAACAAAUGCCCUGCUUCCAGGAAAAGCCUCUAAGCAUCAGGUAACAUCAAAUC
GUACCCCAAACCGACACAGGUGGUCAGGUAGAGAAUACCAAGGCGCUUGAGAGAACUCGGGUGAAGGAACUAGGCAAAAU
GGUGCCGUAACUUCGGGAGAAGGCACGCUGAUAUGUAGGUGAGGUCCCUCGCGGAUGGAGCUGAAAUCAGUCGAAGAUAC
CAGCUGGCUGCAACUGUUUAUUAAAAACACAGCACUGUGCAAACACGAAAGUGGACGUAUACGGUGUGACGCCUGCCCGG
UGCCGGAAGGUUAAUUGAUGGGGUUAGCGCAAGCGAAGCUCUUGAUCGAAGCCCCGGUAAACGGCGGCCGUAACUAUAAC
GGUCCUAAGGUAGCGAAAUUCCUUGUCGGGUAAGUUCCGACCUGCACGAAUGGCGUAAUGAUGGCCAGGCUGUCUCCACC
CGAGACUCAGUGAAAUUGAACUCGCUGUGAAGAUGCAGUGUACCCGCGGCAAGACGGAAAGACCCCGUGAACCUUUACUA
UAGCUUGACACUGAACAUUGAGCCUUGAUGUGUAGGAUAGGUGGGAGGCUUUGAAGUGUGGACGCCAGUCUGCAUGGAGC
CGACCUUGAAAUACCACCCUUUAAUGUUUGAUGUUCUAACGUUGACCCGUAAUCCGGGUUGCGGACAGUGUCUGGUGGGU
AGUUUGACUGGGGCGGUCUCCUCCUAAAGAGUAACGGAGGAGCACGAAGGUUGGCUAAUCCUGGUCGGACAUCAGGAGGU
UAGUGCAAUGGCAUAAGCCAGCUUGACUGCGAGCGUGACGGCGCGAGCAGGUGCGAAAGCAGGUCAUAGUGAUCCGGUGG
UUCUGAAUGGAAGGGCCAUCGCUCAACGGAUAAAAGGUACUCCGGGGAUAACAGGCUGAUACCGCCCAAGAGUUCAUAUC
GACGGCGGUGUUUGGCACCUCGAUGUCGGCUCAUCACAUCCUGGGGCUGAAGUAGGUCCCAAGGGUAUGGCUGUUCGCCA
UUUAAAGUGGUACGCGAGCUGGGUUUAGAACGUCGUGAGACAGUUCGGUCCCUAUCUGCCGUGGGCGCUGGAGAACUGAG
GGGGGCUGCUCCUAGUACGAGAGGACCGGAGUGGACGCAUCACUGGUGUUCGGGUUGUCAUGCCAAUGGCACUGCCCGGU
AGCUAAAUGCGGAAGAGAUAAGUGCUGAAAGCAUCUAAGCACGAAACUUGCCCCGAGAUGAGUUCUCCCUGACCCUUUAA
GGGUCCUGAAGGAACGUUGAAGACGACGACGUUGAUAGGCCGGGUGUGUAAGCGCAGCGAUGCGUUGAGCUAACCGGUAC
UAAUGAACCGUGAGGCUUAACCUU</string>
                    <external_references type="GENBANK">CP014270.1</external_references>
                </sequence>
            </rna>
            <rna macromolecule_id="2">
                <name>5S ribosomal RNA</name>
                <natural_source database="NCBI">
                    <organism ncbi="83333">Escherichia coli K-12</organism>
                </natural_source>
                <molecular_weight>
                    <theoretical units="MDa">0.038483925999999995</theoretical>
                </molecular_weight>
                <number_of_copies>1</number_of_copies>
                <sequence>
                    <string>UGCCUGGCGGCCGUAGCGCGGUGGUCCCACCUGACCCCAUGCCGAACUCAGAAGUGAAACGCCGUAGCGCCGAUGGUAGU
GUGGGGUCUCCCCAUGCGAGAGUAGGGAACUGCCAGGCA</string>
                    <external_references type="GENBANK">CP027060.1</external_references>
                </sequence>
            </rna>
            <protein_or_peptide macromolecule_id="3">
                <name>50S ribosomal protein L2</name>
                <natural_source database="NCBI">
                    <organism ncbi="83333">Escherichia coli K-12</organism>
                    <strain>K12</strain>
                </natural_source>
                <molecular_weight>
                    <theoretical units="MDa">0.029663244</theoretical>
                </molecular_weight>
                <number_of_copies>1</number_of_copies>
                <enantiomer>LEVO</enantiomer>
                <sequence>
                    <string>AVVKCKPTSPGRRHVVKVVNPELHKGKPFAPLLEKNSKSGGRNNNGRITTRHIGGGHKQAYRIVDFKRNKDGIPAVVERL
EYDPNRSANIALVLYKDGERRYILAPKGLKAGDQIQSGVDAAIKPGNTLPMRNIPVGSTVHNVEMKPGKGGQLARSAGTY
VQIVARDGAYVTLRLRSGEMRKVEADCRATLGEVGNAEHMLRVLGKAGAARWRGVRPTVRGTAMNPVDHPHGGGEGRNFG
KHPVTPWGVQTKGKKTRSNKRTDKFIVRRRS</string>
                    <external_references type="UNIPROTKB">P60422</external_references>
                </sequence>
            </protein_or_peptide>
            <protein_or_peptide macromolecule_id="4">
                <name>50S ribosomal protein L3</name>
                <natural_source database="NCBI">
                    <organism ncbi="83333">Escherichia coli K-12</organism>
                    <strain>K12</strain>
                </natural_source>
                <molecular_weight>
                    <theoretical units="MDa">0.022277534999999998</theoretical>
                </molecular_weight>
                <number_of_copies>1</number_of_copies>
                <enantiomer>LEVO</enantiomer>
                <sequence>
                    <string>MIGLVGKKVGMTRIFTEDGVSIPVTVIEVEANRVTQVKDLANDGYRAIQVTTGAKKANRVTKPEAGHFAKAGVEAGRGLW
EFRLAEGEEFTVGQSISVELFADVKKVDVTGTSKGKGFAGTVKRWNFRTQDATHGNSLSHRVPGSIGQNQTPGKVFKGKK
MAGQMGNERVTVQSLDVVRVDAERNLLLVKGAVPGATGSDLIVKPAVKA</string>
                    <external_references type="UNIPROTKB">P60438</external_references>
                </sequence>
            </protein_or_peptide>
            <protein_or_peptide macromolecule_id="5">
                <name>50S ribosomal protein L4</name>
                <natural_source database="NCBI">
                    <organism ncbi="83333">Escherichia coli K-12</organism>
                    <strain>K12</strain>
                </natural_source>
                <molecular_weight>
                    <theoretical units="MDa">0.022121566</theoretical>
                </molecular_weight>
                <number_of_copies>1</number_of_copies>
                <enantiomer>LEVO</enantiomer>
                <sequence>
                    <string>MELVLKDAQSALTVSETTFGRDFNEALVHQVVVAYAAGARQGTRAQKTRAEVTGSGKKPWRQKGTGRARSGSIKSPIWRS
GGVTFAARPQDHSQKVNKKMYRGALKSILSELVRQDRLIVVEKFSVEAPKTKLLAQKLKDMALEDVLIITGELDENLFLA
ARNLHKVDVRDATGIDPVSLIAFDKVVMTADAVKQVEEMLA</string>
                    <external_references type="UNIPROTKB">P60723</external_references>
                </sequence>
            </protein_or_peptide>
            <protein_or_peptide macromolecule_id="6">
                <name>50S ribosomal protein L5</name>
                <natural_source database="NCBI">
                    <organism ncbi="83333">Escherichia coli K-12</organism>
                    <strain>K12</strain>
                </natural_source>
                <molecular_weight>
                    <theoretical units="MDa">0.020073234</theoretical>
                </molecular_weight>
                <number_of_copies>1</number_of_copies>
                <enantiomer>LEVO</enantiomer>
                <sequence>
                    <string>AKLHDYYKDEVVKKLMTEFNYNSVMQVPRVEKITLNMGVGEAIADKKLLDNAAADLAAISGQKPLITKARKSVAGFKIRQ
GYPIGCKVTLRGERMWEFFERLITIAVPRIRDFRGLSAKSFDGRGNYSMGVREQIIFPEIDYDKVDRVRGLDITITTTAK
SDEEGRALLAAFDFPFR</string>
                    <external_references type="UNIPROTKB">P62399</external_references>
                </sequence>
            </protein_or_peptide>
            <protein_or_peptide macromolecule_id="7">
                <name>50S ribosomal protein L6</name>
                <natural_source database="NCBI">
                    <organism ncbi="83333">Escherichia coli K-12</organism>
                    <strain>K12</strain>
                </natural_source>
                <molecular_weight>
                    <theoretical units="MDa">0.018801598</theoretical>
                </molecular_weight>
                <number_of_copies>1</number_of_copies>
                <enantiomer>LEVO</enantiomer>
                <sequence>
                    <string>SRVAKAPVVVPAGVDVKINGQVITIKGKNGELTRTLNDAVEVKHADNTLTFGPRDGYADGWAQAGTARALLNSMVIGVTE
GFTKKLQLVGVGYRAAVKGNVINLSLGFSHPVDHQLPAGITAECPTQTEIVLKGADKQVIGQVAADLRAYRRPEPYKGKG
VRYADEVVRTKEAKKK</string>
                    <external_references type="UNIPROTKB">P0AG55</external_references>
                </sequence>
            </protein_or_peptide>
            <protein_or_peptide macromolecule_id="8">
                <name>50S ribosomal protein L9</name>
                <natural_source database="NCBI">
                    <organism ncbi="83333">Escherichia coli K-12</organism>
                    <strain>K12</strain>
                </natural_source>
                <molecular_weight>
                    <theoretical units="MDa">0.005937908999999999</theoretical>
                </molecular_weight>
                <number_of_copies>1</number_of_copies>
                <enantiomer>LEVO</enantiomer>
                <sequence>
                    <string>MQVILLDKVANLGSLGDQVNVKAGYARNFLVPQGKAVPATKKNIEFFEARRAEL</string>
                    <external_references type="UNIPROTKB">P0A7R1</external_references>
                </sequence>
            </protein_or_peptide>
            <protein_or_peptide macromolecule_id="9">
                <name>50S ribosomal protein L13</name>
                <natural_source database="NCBI">
                    <organism ncbi="83333">Escherichia coli K-12</organism>
                    <strain>K12</strain>
                </natural_source>
                <molecular_weight>
                    <theoretical units="MDa">0.016050606</theoretical>
                </molecular_weight>
                <number_of_copies>1</number_of_copies>
                <enantiomer>LEVO</enantiomer>
                <sequence>
                    <string>MKTFTAKPETVKRDWYVVDATGKTLGRLATELARRLRGKHKAEYTPHVDTGDYIIVLNADKVAVTGNKRTDKVYYHHTGH
IGGIKQATFEEMIARRPERVIEIAVKGMLPKGPLGRAMFRKLKVYAGNEHNHAAQQPQVLDI</string>
                    <external_references type="UNIPROTKB">P0AA10</external_references>
                </sequence>
            </protein_or_peptide>
            <protein_or_peptide macromolecule_id="10">
                <name>50S ribosomal protein L14</name>
                <natural_source database="NCBI">
                    <organism ncbi="83333">Escherichia coli K-12</organism>
                    <strain>K12</strain>
                </natural_source>
                <molecular_weight>
                    <theoretical units="MDa">0.01345191</theoretical>
                </molecular_weight>
                <number_of_copies>1</number_of_copies>
                <enantiomer>LEVO</enantiomer>
                <sequence>
                    <string>MIQEQTMLNVADNSGARRVMCIKVLGGSHRRYAGVGDIIKITIKEAIPRGKVKKGDVLKAVVVRTKKGVRRPDGSVIRFD
GNACVLLNNNSEQPIGTRIFGPVTRELRSEKFMKIISLAPEV</string>
                    <external_references type="UNIPROTKB">P0ADY3</external_references>
                </sequence>
            </protein_or_peptide>
            <protein_or_peptide macromolecule_id="11">
                <name>50S ribosomal protein L15</name>
                <natural_source database="NCBI">
                    <organism ncbi="83333">Escherichia coli K-12</organism>
                    <strain>K12</strain>
                </natural_source>
                <molecular_weight>
                    <theoretical units="MDa">0.014877272999999998</theoretical>
                </molecular_weight>
                <number_of_copies>1</number_of_copies>
                <enantiomer>LEVO</enantiomer>
                <sequence>
                    <string>RLNTLSPAEGSKKAGKRLGRGIGSGLGKTGGRGHKGQKSRSGGGVRRGFEGGQMPLYRRLPKFGFTSRKAAITAEIRLSD
LAKVEGGVVDLNTLKAANIIGIQIEFAKVILAGEVTTPVTVRGLRVTKGARAAIEAAGGKIEE</string>
                    <external_references type="UNIPROTKB">P02413</external_references>
                </sequence>
            </protein_or_peptide>
            <protein_or_peptide macromolecule_id="12">
                <name>50S ribosomal protein L16</name>
                <natural_source database="NCBI">
                    <organism ncbi="83333">Escherichia coli K-12</organism>
                    <strain>K12</strain>
                </natural_source>
                <molecular_weight>
                    <theoretical units="MDa">0.015312269</theoretical>
                </molecular_weight>
                <number_of_copies>1</number_of_copies>
                <enantiomer>LEVO</enantiomer>
                <sequence>
                    <string>MLQPKRTKFRKMHKGRNRGLAQGTDVSFGSFGLKAVGRGRLTARQIEAARRAMTRAVKRQGKIWIRVFPDKPITEKPLAV
RMGKGKGNVEYWVALIQPGKVLYEMDGVPEELAREAFKLAAAKLPIKTTFVTKTVM</string>
                    <external_references type="UNIPROTKB">P0ADY7</external_references>
                </sequence>
            </protein_or_peptide>
            <protein_or_peptide macromolecule_id="13">
                <name>50S ribosomal protein L17</name>
                <natural_source database="NCBI">
                    <organism ncbi="83333">Escherichia coli K-12</organism>
                    <strain>K12</strain>
                </natural_source>
                <molecular_weight>
                    <theoretical units="MDa">0.013721938</theoretical>
                </molecular_weight>
                <number_of_copies>1</number_of_copies>
                <enantiomer>LEVO</enantiomer>
                <sequence>
                    <string>MRHRKSGRQLNRNSSHRQAMFRNMAGSLVRHEIIKTTLPKAKELRRVVEPLITLAKTDSVANRRLAFARTRDNEIVAKLF
NELGPRFASRAGGYTRILKCGFRAGDNAPMAYIELVDRSE</string>
                    <external_references type="UNIPROTKB">P0AG44</external_references>
                </sequence>
            </protein_or_peptide>
            <protein_or_peptide macromolecule_id="14">
                <name>50S ribosomal protein L18</name>
                <natural_source database="NCBI">
                    <organism ncbi="83333">Escherichia coli K-12</organism>
                    <strain>K12</strain>
                </natural_source>
                <molecular_weight>
                    <theoretical units="MDa">0.012663470999999999</theoretical>
                </molecular_weight>
                <number_of_copies>1</number_of_copies>
                <enantiomer>LEVO</enantiomer>
                <sequence>
                    <string>DKKSARIRRATRARRKLQELGATRLVVHRTPRHIYAQVIAPNGSEVLVAASTVEKAIAEQLKYTGNKDAAAAVGKAVAER
ALEKGIKDVSFDRSGFQYHGRVQALADAAREAGLQF</string>
                    <external_references type="UNIPROTKB">P0C018</external_references>
                </sequence>
            </protein_or_peptide>
            <protein_or_peptide macromolecule_id="15">
                <name>50S ribosomal protein L19</name>
                <natural_source database="NCBI">
                    <organism ncbi="83333">Escherichia coli K-12</organism>
                    <strain>K12</strain>
                </natural_source>
                <molecular_weight>
                    <theoretical units="MDa">0.013028082</theoretical>
                </molecular_weight>
                <number_of_copies>1</number_of_copies>
                <enantiomer>LEVO</enantiomer>
                <sequence>
                    <string>SNIIKQLEQEQMKQDVPSFRPGDTVEVKVWVVEGSKKRLQAFEGVVIAIRNRGLHSAFTVRKISNGEGVERVFQTHSPVV
DSISVKRRGAVRKAKLYYLRERTGKAARIKERLN</string>
                    <external_references type="UNIPROTKB">P0A7K6</external_references>
                </sequence>
            </protein_or_peptide>
            <protein_or_peptide macromolecule_id="16">
                <name>50S ribosomal protein L20</name>
                <natural_source database="NCBI">
                    <organism ncbi="83333">Escherichia coli K-12</organism>
                    <strain>K12</strain>
                </natural_source>
                <molecular_weight>
                    <theoretical units="MDa">0.013396828</theoretical>
                </molecular_weight>
                <number_of_copies>1</number_of_copies>
                <enantiomer>LEVO</enantiomer>
                <sequence>
                    <string>ARVKRGVIARARHKKILKQAKGYYGARSRVYRVAFQAVIKAGQYAYRDRRQRKRQFRQLWIARINAAARQNGISYSKFIN
GLKKASVEIDRKILADIAVFDKVAFTALVEKAKAALA</string>
                    <external_references type="UNIPROTKB">P0A7L3</external_references>
                </sequence>
            </protein_or_peptide>
            <protein_or_peptide macromolecule_id="17">
                <name>50S ribosomal protein L21</name>
                <natural_source database="NCBI">
                    <organism ncbi="83333">Escherichia coli K-12</organism>
                    <strain>K12</strain>
                </natural_source>
                <molecular_weight>
                    <theoretical units="MDa">0.011586374</theoretical>
                </molecular_weight>
                <number_of_copies>1</number_of_copies>
                <enantiomer>LEVO</enantiomer>
                <sequence>
                    <string>MYAVFQSGGKQHRVSEGQTVRLEKLDIATGETVEFAEVLMIANGEEVKIGVPFVDGGVIKAEVVAHGRGEKVKIVKFRRR
KHYRKQQGHRQWFTDVKITGISA</string>
                    <external_references type="UNIPROTKB">P0AG48</external_references>
                </sequence>
            </protein_or_peptide>
            <protein_or_peptide macromolecule_id="18">
                <name>50S ribosomal protein L22</name>
                <natural_source database="NCBI">
                    <organism ncbi="83333">Escherichia coli K-12</organism>
                    <strain>K12</strain>
                </natural_source>
                <molecular_weight>
                    <theoretical units="MDa">0.012253359</theoretical>
                </molecular_weight>
                <number_of_copies>1</number_of_copies>
                <enantiomer>LEVO</enantiomer>
                <sequence>
                    <string>METIAKHRHARSSAQKVRLVADLIRGKKVSQALDILTYTNKKAAVLVKKVLESAIANAEHNDGADIDDLKVTKIFVDEGP
SMKRIMPRAKGRADRILKRTSHITVVVSDR</string>
                    <external_references type="UNIPROTKB">P61175</external_references>
                </sequence>
            </protein_or_peptide>
            <protein_or_peptide macromolecule_id="19">
                <name>50S ribosomal protein L23</name>
                <natural_source database="NCBI">
                    <organism ncbi="83333">Escherichia coli K-12</organism>
                    <strain>K12</strain>
                </natural_source>
                <molecular_weight>
                    <theoretical units="MDa">0.010546472</theoretical>
                </molecular_weight>
                <number_of_copies>1</number_of_copies>
                <enantiomer>LEVO</enantiomer>
                <sequence>
                    <string>MIREERLLKVLRAPHVSEKASTAMEKSNTIVLKVAKDATKAEIKAAVQKLFEVEVEVVNTLVVKGKVKRHGQRIGRRSDW
KKAYVTLKEGQNL</string>
                    <external_references type="UNIPROTKB">P0ADZ0</external_references>
                </sequence>
            </protein_or_peptide>
            <protein_or_peptide macromolecule_id="20">
                <name>50S ribosomal protein L24</name>
                <natural_source database="NCBI">
                    <organism ncbi="83333">Escherichia coli K-12</organism>
                    <strain>K12</strain>
                </natural_source>
                <molecular_weight>
                    <theoretical units="MDa">0.011078873999999999</theoretical>
                </molecular_weight>
                <number_of_copies>1</number_of_copies>
                <enantiomer>LEVO</enantiomer>
                <sequence>
                    <string>AAKIRRDDEVIVLTGKDKGKRGKVKNVLSSGKVIVEGINLVKKHQKPVPALNQPGGIVEKEAAIQVSNVAIFNAATGKAD
RVGFRFEDGKKVRFFKSNSETI</string>
                    <external_references type="UNIPROTKB">P60624</external_references>
                </sequence>
            </protein_or_peptide>
            <protein_or_peptide macromolecule_id="21">
                <name>50S ribosomal protein L25</name>
                <natural_source database="NCBI">
                    <organism ncbi="83333">Escherichia coli K-12</organism>
                    <strain>K12</strain>
                </natural_source>
                <molecular_weight>
                    <theoretical units="MDa">0.010713465</theoretical>
                </molecular_weight>
                <number_of_copies>1</number_of_copies>
                <enantiomer>LEVO</enantiomer>
                <sequence>
                    <string>MFTINAEVRKEQGKGASRRLRAANKFPAIIYGGKEAPLAIELDHDKVMNMQAKAEFYSEVLTIVVDGKEIKVKAQDVQRH
PYKPKLQHIDFVRA</string>
                    <external_references type="UNIPROTKB">P68919</external_references>
                </sequence>
            </protein_or_peptide>
            <protein_or_peptide macromolecule_id="22">
                <name>50S ribosomal protein L27</name>
                <natural_source database="NCBI">
                    <organism ncbi="83333">Escherichia coli K-12</organism>
                    <strain>K12</strain>
                </natural_source>
                <molecular_weight>
                    <theoretical units="MDa">0.008275498</theoretical>
                </molecular_weight>
                <number_of_copies>1</number_of_copies>
                <enantiomer>LEVO</enantiomer>
                <sequence>
                    <string>TRNGRDSEAKRLGVKRFGGESVLAGSIIVRQRGTKFHAGANVGCGRDHTLFAKADGKVKFEVKGPKNRKFISIEAE</string>
                    <external_references type="UNIPROTKB">P0A7L8</external_references>
                </sequence>
            </protein_or_peptide>
            <protein_or_peptide macromolecule_id="23">
                <name>50S ribosomal protein L28</name>
                <natural_source database="NCBI">
                    <organism ncbi="83333">Escherichia coli K-12</organism>
                    <strain>K12</strain>
                </natural_source>
                <molecular_weight>
                    <theoretical units="MDa">0.008896353999999999</theoretical>
                </molecular_weight>
                <number_of_copies>1</number_of_copies>
                <enantiomer>LEVO</enantiomer>
                <sequence>
                    <string>SRVCQVTGKRPVTGNNRSHALNATKRRFLPNLHSHRFWVESEKRFVTLRVSAKGMRVIDKKGIDTVLAELRARGEKY</string>
                    <external_references type="UNIPROTKB">P0A7M2</external_references>
                </sequence>
            </protein_or_peptide>
            <protein_or_peptide macromolecule_id="24">
                <name>50S ribosomal protein L29</name>
                <natural_source database="NCBI">
                    <organism ncbi="83333">Escherichia coli K-12</organism>
                    <strain>K12</strain>
                </natural_source>
                <molecular_weight>
                    <theoretical units="MDa">0.0072864639999999994</theoretical>
                </molecular_weight>
                <number_of_copies>1</number_of_copies>
                <enantiomer>LEVO</enantiomer>
                <sequence>
                    <string>MKAKELREKSVEELNTELLNLLREQFNLRMQAASGQLQQSHLLKQVRRDVARVKTLLNEKAGA</string>
                    <external_references type="UNIPROTKB">P0A7M6</external_references>
                </sequence>
            </protein_or_peptide>
            <protein_or_peptide macromolecule_id="25">
                <name>50S ribosomal protein L30</name>
                <natural_source database="NCBI">
                    <organism ncbi="83333">Escherichia coli K-12</organism>
                    <strain>K12</strain>
                </natural_source>
                <molecular_weight>
                    <theoretical units="MDa">0.006423625</theoretical>
                </molecular_weight>
                <number_of_copies>1</number_of_copies>
                <enantiomer>LEVO</enantiomer>
                <sequence>
                    <string>AKTIKITQTRSAIGRLPKHKATLLGLGLRRIGHTVEREDTPAIRGMINAVSFMVKVEE</string>
                    <external_references type="UNIPROTKB">P0AG51</external_references>
                </sequence>
            </protein_or_peptide>
            <protein_or_peptide macromolecule_id="26">
                <name>50S ribosomal protein L32</name>
                <natural_source database="NCBI">
                    <organism ncbi="83333">Escherichia coli K-12</organism>
                    <strain>K12</strain>
                </natural_source>
                <molecular_weight>
                    <theoretical units="MDa">0.006332249</theoretical>
                </molecular_weight>
                <number_of_copies>1</number_of_copies>
                <enantiomer>LEVO</enantiomer>
                <sequence>
                    <string>AVQQNKPTRSKRGMRRSHDALTAVTSLSVDKTSGEKHLRHHITADGYYRGRKVIAK</string>
                    <external_references type="UNIPROTKB">P0A7N4</external_references>
                </sequence>
            </protein_or_peptide>
            <protein_or_peptide macromolecule_id="27">
                <name>50S ribosomal protein L33</name>
                <natural_source database="NCBI">
                    <organism ncbi="83333">Escherichia coli K-12</organism>
                    <strain>K12</strain>
                </natural_source>
                <molecular_weight>
                    <theoretical units="MDa">0.005814842</theoretical>
                </molecular_weight>
                <number_of_copies>1</number_of_copies>
                <enantiomer>LEVO</enantiomer>
                <sequence>
                    <string>GIREKIKLVSSAGTGHFYTTTKNKRTKPEKLELKKFDPVVRQHVIYKEAK</string>
                    <external_references type="UNIPROTKB">P0A7N9</external_references>
                </sequence>
            </protein_or_peptide>
            <protein_or_peptide macromolecule_id="28">
                <name>50S ribosomal protein L34</name>
                <natural_source database="NCBI">
                    <organism ncbi="83333">Escherichia coli K-12</organism>
                    <strain>K12</strain>
                </natural_source>
                <molecular_weight>
                    <theoretical units="MDa">0.005397463</theoretical>
                </molecular_weight>
                <number_of_copies>1</number_of_copies>
                <enantiomer>LEVO</enantiomer>
                <sequence>
                    <string>MKRTFQPSVLKRNRSHGFRARMATKNGRQVLARRRAKGRARLTVSK</string>
                    <external_references type="UNIPROTKB">P0A7P5</external_references>
                </sequence>
            </protein_or_peptide>
            <protein_or_peptide macromolecule_id="29">
                <name>50S ribosomal protein L35</name>
                <natural_source database="NCBI">
                    <organism ncbi="83333">Escherichia coli K-12</organism>
                    <strain>K12</strain>
                </natural_source>
                <molecular_weight>
                    <theoretical units="MDa">0.007181835</theoretical>
                </molecular_weight>
                <number_of_copies>1</number_of_copies>
                <enantiomer>LEVO</enantiomer>
                <sequence>
                    <string>PKIKTVRGAAKRFKKTGKGGFKHKHANLRHILTKKATKRKRHLRPKAMVSKGDLGLVIACLPYA</string>
                    <external_references type="UNIPROTKB">P0A7Q1</external_references>
                </sequence>
            </protein_or_peptide>
            <ligand macromolecule_id="30">
                <name>ZINC ION</name>
                <molecular_weight>
                    <theoretical units="MDa">6.5409e-05</theoretical>
                </molecular_weight>
                <number_of_copies>1</number_of_copies>
                <formula>ZN</formula>
            </ligand>
            <ligand macromolecule_id="31">
                <name>MAGNESIUM ION</name>
                <molecular_weight>
                    <theoretical units="MDa">2.4305e-05</theoretical>
                </molecular_weight>
                <number_of_copies>5</number_of_copies>
                <formula>MG</formula>
            </ligand>
            <ligand macromolecule_id="32">
                <name>water</name>
                <molecular_weight>
                    <theoretical units="MDa">1.8015e-05</theoretical>
                </molecular_weight>
                <number_of_copies>42</number_of_copies>
                <formula>HOH</formula>
            </ligand>
        </macromolecule_list>
    </sample>
    <structure_determination_list>
        <structure_determination structure_determination_id="1">
            <method>singleParticle</method>
            <aggregation_state>particle</aggregation_state>
            <specimen_preparation_list>
                <single_particle_preparation preparation_id="1">
                    <buffer>
                        <ph>7.6</ph>
                    </buffer>
                    <grid>
                        <model>Quantifoil R3/3</model>
                        <material>COPPER</material>
                        <mesh>300</mesh>
                        <pretreatment>
                            <type>GLOW DISCHARGE</type>
                            <time units="s">30</time>
                        </pretreatment>
                    </grid>
                    <vitrification>
                        <cryogen_name>ETHANE</cryogen_name>
                        <instrument>FEI VITROBOT MARK I</instrument>
                    </vitrification>
                </single_particle_preparation>
            </specimen_preparation_list>
            <microscopy_list>
                <single_particle_microscopy microscopy_id="1">
                    <microscope>FEI POLARA 300</microscope>
                    <illumination_mode>FLOOD BEAM</illumination_mode>
                    <imaging_mode>BRIGHT FIELD</imaging_mode>
                    <electron_source>FIELD EMISSION GUN</electron_source>
                    <acceleration_voltage units="kV">300</acceleration_voltage>
                    <nominal_cs units="mm">2.0</nominal_cs>
                    <nominal_defocus_min units="µm">0.5</nominal_defocus_min>
                    <nominal_defocus_max units="µm">5.0</nominal_defocus_max>
                    <nominal_magnification>31000.0</nominal_magnification>
                    <cooling_holder_cryogen>NITROGEN</cooling_holder_cryogen>
                    <image_recording_list>
                        <image_recording image_recording_id="1">
                            <film_or_detector_model>GATAN K2 SUMMIT (4k x 4k)</film_or_detector_model>
                            <detector_mode>SUPER-RESOLUTION</detector_mode>
                            <digitization_details>
                                <frames_per_image>1-25</frames_per_image>
                            </digitization_details>
                            <number_real_images>1144</number_real_images>
                            <average_exposure_time units="s">5.0</average_exposure_time>
                            <average_electron_dose_per_image units="e/Å^2">25.0</average_electron_dose_per_image>
                        </image_recording>
                    </image_recording_list>
                </single_particle_microscopy>
            </microscopy_list>
            <singleparticle_processing image_processing_id="1">
                <image_recording_id>1</image_recording_id>
                <particle_selection>
                    <number_selected>116500</number_selected>
                </particle_selection>
                <startup_model type_of_model="OTHER">
                    <details>low-pass filtered reconstruction of bacterial 50S ribosomal subunit</details>
                </startup_model>
                <final_reconstruction>
                    <applied_symmetry>
                        <point_group>C1</point_group>
                    </applied_symmetry>
                    <algorithm>BACK PROJECTION</algorithm>
                    <resolution units="Å" res_type="BY AUTHOR">3.8</resolution>
                    <resolution_method>FSC 0.143 CUT-OFF</resolution_method>
                    <software_list>
                        <software>
                            <name>SPIDER</name>
                            <version>14</version>
                        </software>
                    </software_list>
                    <number_images_used>60906</number_images_used>
                </final_reconstruction>
                <initial_angle_assignment>
                    <type>PROJECTION MATCHING</type>
                    <projection_matching_processing/>
                    <software_list>
                        <software>
                            <name>SPIDER</name>
                            <version>14</version>
                        </software>
                    </software_list>
                </initial_angle_assignment>
                <final_angle_assignment>
                    <type>PROJECTION MATCHING</type>
                    <projection_matching_processing/>
                    <software_list>
                        <software>
                            <name>SPIDER</name>
                            <version>14</version>
                        </software>
                    </software_list>
                </final_angle_assignment>
                <final_three_d_classification>
                    <software_list>
                        <software>
                            <name>SPIDER</name>
                            <version>14</version>
                        </software>
                    </software_list>
                </final_three_d_classification>
            </singleparticle_processing>
        </structure_determination>
    </structure_determination_list>
    <map format="CCP4" size_kbytes="78733">
        <file>emd_4383.map.gz</file>
        <symmetry>
            <space_group>1</space_group>
        </symmetry>
        <data_type>IMAGE STORED AS FLOATING POINT NUMBER (4 BYTES)</data_type>
        <dimensions>
            <col>270</col>
            <row>270</row>
            <sec>270</sec>
        </dimensions>
        <origin>
            <col>0</col>
            <row>0</row>
            <sec>0</sec>
        </origin>
        <spacing>
            <x>270</x>
            <y>270</y>
            <z>270</z>
        </spacing>
        <cell>
            <a units="Å">334.8</a>
            <b units="Å">334.8</b>
            <c units="Å">334.8</c>
            <alpha units="deg">90.0</alpha>
            <beta units="deg">90.0</beta>
            <gamma units="deg">90.0</gamma>
        </cell>
        <axis_order>
            <fast>X</fast>
            <medium>Y</medium>
            <slow>Z</slow>
        </axis_order>
        <statistics>
            <minimum>-5.739656</minimum>
            <maximum>10.8077545</maximum>
            <average>0.06984538</average>
            <std>0.53707737</std>
        </statistics>
        <pixel_spacing>
            <x units="Å">1.24</x>
            <y units="Å">1.24</y>
            <z units="Å">1.24</z>
        </pixel_spacing>
        <contour_list>
            <contour primary="true">
                <level>1.5</level>
                <source>AUTHOR</source>
            </contour>
        </contour_list>
        <label>::::EMDATABANK.org::::EMD-4383::::</label>
    </map>
    <interpretation>
        <modelling_list>
            <modelling>
                <refinement_protocol>RIGID BODY FIT</refinement_protocol>
                <refinement_space>REAL</refinement_space>
            </modelling>
        </modelling_list>
    </interpretation>
</emd>
