<?xml version="1.0" encoding="UTF-8"?>
<emd xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:noNamespaceSchemaLocation="https://ftp.ebi.ac.uk/pub/databases/em_ebi/emdb_related/emdb-schemas/emdb_schemas/v3/v3_0_9_3/emdb.xsd" version="3.0.9.3" emdb_id="EMD-3532">
    <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>2016-12-10</deposition>
            <header_release>2017-01-11</header_release>
            <map_release>2017-01-11</map_release>
            <update>2024-05-15</update>
        </key_dates>
        <title>Cryo-EM reconstruction of the small subunit of the chloroplast ribosome</title>
        <authors_list>
            <author>Bieri P</author>
            <author>Leibundgut M</author>
        </authors_list>
        <keywords>chloroplast, translation, ribosome, cryo-EM</keywords>
    </admin>
    <crossreferences>
        <citation_list>
            <primary_citation>
                <journal_citation published="true">
                    <author order="1">Bieri P</author>
                    <author order="2">Leibundgut M</author>
                    <author order="3">Saurer M</author>
                    <author order="4">Boehringer D</author>
                    <author order="5">Ban N</author>
                    <title>The complete structure of the chloroplast 70S ribosome in complex with translation factor pY.</title>
                    <journal_abbreviation>EMBO J.</journal_abbreviation>
                    <country>UK</country>
                    <volume>36</volume>
                    <first_page>475</first_page>
                    <last_page>486</last_page>
                    <year>2017</year>
                    <external_references type="PUBMED">28007896</external_references>
                    <external_references type="DOI">doi:10.15252/embj.201695959</external_references>
                    <external_references type="ISSN">1460-2075</external_references>
                    <external_references type="CSD">0897</external_references>
                    <external_references type="ASTM">EMJODG</external_references>
                </journal_citation>
            </primary_citation>
        </citation_list>
        <pdb_list>
            <pdb_reference>
                <pdb_id>5mmj</pdb_id>
                <relationship>
                    <in_frame>FULLOVERLAP</in_frame>
                </relationship>
            </pdb_reference>
        </pdb_list>
    </crossreferences>
    <sample>
        <name>Chloroplast 70S ribosome</name>
        <supramolecule_list>
            <complex_supramolecule supramolecule_id="1">
                <name>Chloroplast 70S ribosome</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_list>
                <natural_source database="NCBI">
                    <organism ncbi="3562">Spinacia oleracea</organism>
                    <tissue>leaf</tissue>
                    <organelle>chloroplast</organelle>
                </natural_source>
                <molecular_weight>
                    <theoretical units="MDa">2.4</theoretical>
                </molecular_weight>
            </complex_supramolecule>
        </supramolecule_list>
        <macromolecule_list>
            <protein_or_peptide macromolecule_id="1">
                <name>50S ribosomal protein L31</name>
                <natural_source database="NCBI">
                    <organism ncbi="3562">Spinacia oleracea</organism>
                </natural_source>
                <molecular_weight>
                    <theoretical units="MDa">0.014748200999999999</theoretical>
                </molecular_weight>
                <number_of_copies>1</number_of_copies>
                <enantiomer>LEVO</enantiomer>
                <sequence>
                    <string>MVLTLSNQFLAKIPATPKTLTLPKTSSSTLRPQWSCRKSDIHPEFREDAKVYCNGELVMTTGGTQKDYTVEVWSGNHPFY
LGNRSALLLDADQVEKFRKKYGELTQIMEIPVLKGEIILPPKKKSKAKKK</string>
                    <external_references type="UNIPROTKB">A0A0K9R0R6</external_references>
                </sequence>
            </protein_or_peptide>
            <protein_or_peptide macromolecule_id="2">
                <name>plastid ribosomal protein bS1c</name>
                <natural_source database="NCBI">
                    <organism ncbi="3562">Spinacia oleracea</organism>
                </natural_source>
                <molecular_weight>
                    <theoretical units="MDa">0.014826253</theoretical>
                </molecular_weight>
                <details>Residues were built as poly-alanine and deposited as UNK.</details>
                <number_of_copies>1</number_of_copies>
                <enantiomer>LEVO</enantiomer>
                <sequence>
                    <string>(UNK)(UNK)(UNK)(UNK)(UNK)(UNK)(UNK)(UNK)(UNK)(UNK)(UNK)(UNK)(UNK)(UNK)(UNK)(UNK)
(UNK)(UNK)(UNK)(UNK)(UNK)(UNK)(UNK)(UNK)(UNK)(UNK)(UNK)(UNK)(UNK)(UNK)(UNK)(UNK)
(UNK)(UNK)(UNK)(UNK)(UNK)(UNK)(UNK)(UNK)(UNK)(UNK)(UNK)(UNK)(UNK)(UNK)(UNK)(UNK)
(UNK)(UNK)(UNK)(UNK)(UNK)(UNK)(UNK)(UNK)(UNK)(UNK)(UNK)(UNK)(UNK)(UNK)(UNK)(UNK)
(UNK)(UNK)(UNK)(UNK)(UNK)(UNK)(UNK)(UNK)(UNK)(UNK)(UNK)(UNK)(UNK)(UNK)(UNK)(UNK)
(UNK)(UNK)(UNK)(UNK)(UNK)(UNK)(UNK)(UNK)(UNK)(UNK)(UNK)(UNK)(UNK)(UNK)(UNK)(UNK)
(UNK)(UNK)(UNK)(UNK)(UNK)(UNK)(UNK)(UNK)(UNK)(UNK)(UNK)(UNK)(UNK)(UNK)(UNK)(UNK)
(UNK)(UNK)(UNK)(UNK)(UNK)(UNK)(UNK)(UNK)(UNK)(UNK)(UNK)(UNK)(UNK)(UNK)(UNK)(UNK)
(UNK)(UNK)(UNK)(UNK)(UNK)(UNK)(UNK)(UNK)(UNK)(UNK)(UNK)(UNK)(UNK)(UNK)(UNK)(UNK)
(UNK)(UNK)(UNK)(UNK)(UNK)(UNK)(UNK)(UNK)(UNK)(UNK)(UNK)(UNK)(UNK)(UNK)(UNK)(UNK)
(UNK)(UNK)(UNK)(UNK)(UNK)(UNK)(UNK)(UNK)(UNK)(UNK)(UNK)(UNK)(UNK)(UNK)</string>
                </sequence>
            </protein_or_peptide>
            <rna macromolecule_id="3">
                <name>16S ribosomal RNA</name>
                <natural_source database="NCBI">
                    <organism ncbi="3562">Spinacia oleracea</organism>
                </natural_source>
                <molecular_weight>
                    <theoretical units="MDa">0.48346649999999997</theoretical>
                </molecular_weight>
                <number_of_copies>1</number_of_copies>
                <sequence>
                    <string>UCUCAUGGAGAGUUCGAUCCUGGCUCAGGAUGAACGCUGGCGGCAUGCUUAACACAUGCAAGUCGGACGGGAAGUGGUGU
UUCCAGUGGCGGACGGGUGAGUAACGCGUAAGAACCUGCCCUUGGGAGGGGAACAACAGCUGGAAACGGCUGCUAAUACC
CCGUAGGCUGAGAAGCAAAAGGAGGAAUCCGCCCGAGGAGGGGCUCGCGUCUGAUUAGCUAGUUGGUGAGGUAAUAGCUU
ACCAAGGCGAUGAUCAGUAGCUGGUCCGAGAGGAUGAUCAGCCACACUGGGACUGAGACACGGCCCAGACUCCUACGGGA
GGCAGCAGUGGGGAAUUUUCCGCAAUGGGCGAAAGCCUGACGGAGCAAUGCCGCGUGGAGGCAGAAGGCCCACGGGUCGU
GAACUUCUUUUCCCGGAGAAGAAGCAAUGACGGUAUCCGGGGAAUAAGCAUCGGCUAACUCUGUGCCAGCAGCCGCGGUA
AGACAGAGGAUGCAAGCGUUAUCCGGAAUGAUUGGGCGUAAAGCGUCUGUAGGUGGCUUUUUAAGUCCGCCGUCAAAUCC
CAGGGCUCAACCCUGGACAGGCGGUGGAAACUACCAAGCUGGAGUACGGUAGGGGCAGAGGGAAUUUCCGGUGGAGCGGU
GAAAUGCGUAGAGAUCGGAAAGAACACCAACGGCGAAAGCACUCUGCUGGGCCGACACUGACACUGAGAGACGAAAGCUA
GGGGAGCGAAUGGGAUUAGAUACCCCAGUAGUCCUAGCCGUAAACGAUGGAUACUAGGCGCUGUGCGUAUCGACCCGUGC
AGUGUUGUAGCUAACGCGUUAAGUAUCCCGCCUGGGGAGUACGUUCGCAAGAAUGAAACUCAAAGGAAUUGACGGGGGCC
CGCACAAGCGGUGGAGCAUGUGGUUUAAUUCGAUGCAAAGCGAAGAACCUUACCAGGGCUUGACAUGCCGCGAAUCCUCU
UGAAAGAGAGGGGUGCCUUCGGGAACGCGGACACAGGUGGUGCAUGGCUGUCGUCAGCUCGUGCCGUAAGGUGUUGGGUU
AAGUCCCGCAACGAGCGCAACCCUCGUGUUUAGUUGCCAACGUUGAGUUUGGAACCCUGAACAGACUGCCGGUGAUAAGC
CGGAGGAAGGUGAGGAUGACGUCAAGUCAUCAUGCCCCUUAUGCCCUGGGCGACACACGUGCUACAAUGGCCGGGACAAA
GGGUCGCGAUCCCGCGAGGGUGAGCUAACCCCAAAAACCCGUCCUCAGUUCGGAUUGCAGGCUGCAACUCGCCUGCAUGA
AGCCGGAAUCGCUAGUAAUCGCCGGUCAGCCAUACGGCGGUGAAUUCGUUCCCGGGCCUUGUACACACCGCCCGUCACAC
UAUGGGAGCUGGCCAUGCCCGAAGUCGUUACCUUAACCGCAAGGAGGGGGAUGCCGAAGGCAGGGCUAGUGACUGGAGUG
AAGUCGUAACAAGGUAGCCGUACUGGAAGGUGCGGCUGGAUCACCUCCUUU</string>
                    <external_references type="GENBANK">AJ400848.1</external_references>
                </sequence>
            </rna>
            <protein_or_peptide macromolecule_id="4">
                <name>30S ribosomal protein S2, chloroplastic</name>
                <natural_source database="NCBI">
                    <organism ncbi="3562">Spinacia oleracea</organism>
                </natural_source>
                <molecular_weight>
                    <theoretical units="MDa">0.026736140999999998</theoretical>
                </molecular_weight>
                <number_of_copies>1</number_of_copies>
                <enantiomer>LEVO</enantiomer>
                <sequence>
                    <string>MTRRYWNINLEEMMEAGVHFGHGTRKWNPRMSPYISAKCKGIHIINLTRTARFLSEACDLVFDASSRGKQFLIVGTKNKA
ADSVARAAIRARCHYVNKKWLGGMLTNWSTTETRLHKFRDLRMEQTAGRLARLPKRDAAVVKRQLSHLQTYLGGIKYMTG
LPDIVIIVDQQEEYTALRECITLGIPTICLIDTNCNPDLADISIPANDDAIASIRLILTKLVFAICEGRSSYIRNP</string>
                    <external_references type="UNIPROTKB">P08242</external_references>
                </sequence>
            </protein_or_peptide>
            <protein_or_peptide macromolecule_id="5">
                <name>30S ribosomal protein S3, chloroplastic</name>
                <natural_source database="NCBI">
                    <organism ncbi="3562">Spinacia oleracea</organism>
                </natural_source>
                <molecular_weight>
                    <theoretical units="MDa">0.024965156</theoretical>
                </molecular_weight>
                <number_of_copies>1</number_of_copies>
                <enantiomer>LEVO</enantiomer>
                <sequence>
                    <string>MGQKINPLGFRLGTTQSHYSLWFSQPKNYAEGLQEDQKIRDCIKNYVQKNTKTSSGVEGIARIEIQKRIDLIQVIIHMGF
PKLLIENRPQGVEDLKINVQKELNCVNRKLNIAITRIAKPYGDPNILAEFIAGQLKSRVSFRKAMKKAIELTEQADTKGI
QIQIAGRIDGKEIARIEWIREGRVPLQTIRAKIDYCAYTVRTIYGVLGIKIWIFMGEE</string>
                    <external_references type="UNIPROTKB">P09595</external_references>
                </sequence>
            </protein_or_peptide>
            <protein_or_peptide macromolecule_id="6">
                <name>30S ribosomal protein S4, chloroplastic</name>
                <natural_source database="NCBI">
                    <organism ncbi="3562">Spinacia oleracea</organism>
                </natural_source>
                <molecular_weight>
                    <theoretical units="MDa">0.023454530999999997</theoretical>
                </molecular_weight>
                <number_of_copies>1</number_of_copies>
                <enantiomer>LEVO</enantiomer>
                <sequence>
                    <string>MSRYRGPRFKKIRRLGALPGLTNKRPRAGSDLRNQSRSGKRSQYRIRLEEKQKLRFHYGITERQLLKYVRIARKAKGSTG
QVLLQLLEMRLDNILFRLGMAPTIPGARQLVNHRHILVNGRIVDIPSYRCKPQDTIMARDEQKSIALIQNSLDLSPREEL
PKHLTLNPFPYKGLVNQIIDSKWVGLKINELLVVEYYSRQT</string>
                    <external_references type="UNIPROTKB">P13788</external_references>
                </sequence>
            </protein_or_peptide>
            <protein_or_peptide macromolecule_id="7">
                <name>30S ribosomal protein S5, chloroplastic</name>
                <natural_source database="NCBI">
                    <organism ncbi="3562">Spinacia oleracea</organism>
                </natural_source>
                <molecular_weight>
                    <theoretical units="MDa">0.033626363</theoretical>
                </molecular_weight>
                <details>Residues 122-150 were built as poly-alanine and deposited as UNK.</details>
                <number_of_copies>1</number_of_copies>
                <enantiomer>LEVO</enantiomer>
                <sequence>
                    <string>MATTATTTPSATSLTTLHRRIPLFPTTTTLLSLSSSSKPLFLSLSSTRSFPTHLYCIKKDDIDITFFEQDNPDEEITFDP
PEKPEGYIPPRAVDEPPFESEEEIALAYEELYGAAYSGESLLGNDVYAMDSKIKKATGFGSKSKKEKIRDGFEENVVQVR
RVTKVVKGGKHMRFRAIVVVGDKKGQVGVGVGKAKEVVSAVQKAAVDARRNIITVPMTKYLTFPHRNEADYGAARVMLRP
AAPGTGVIAGGAVRTVLEMAGVENALGKQLGSNNALNNARATIVAVQTMRQFSDVARDRGIPMEELWK</string>
                    <external_references type="UNIPROTKB">Q9ST69</external_references>
                </sequence>
            </protein_or_peptide>
            <protein_or_peptide macromolecule_id="8">
                <name>plastid ribosomal protein bS6c</name>
                <natural_source database="NCBI">
                    <organism ncbi="3562">Spinacia oleracea</organism>
                </natural_source>
                <molecular_weight>
                    <theoretical units="MDa">0.023510664</theoretical>
                </molecular_weight>
                <number_of_copies>1</number_of_copies>
                <enantiomer>LEVO</enantiomer>
                <sequence>
                    <string>MATFSLTSTLPSSSPTTSLHSIPKPKLKPSTINFTHNLNPFNPNLKPSRHHYLSNYGPYVKAIALDFSGSFFEGGFGGLD
EDPPSTPPAGLAVEEKPEPQCPPGLRQYETMAVLRPDMTEDERLTLTQKYEELLVAGGAMYVEVFNRGVIPLAYSIKRKN
KAGETNNYLDGIYLLFTYFTKPESISPLEAALVTDDDVIRSSSFKIRKRKY</string>
                    <external_references type="UNIPROTKB">A0A0K9R0H2</external_references>
                </sequence>
            </protein_or_peptide>
            <protein_or_peptide macromolecule_id="9">
                <name>30S ribosomal protein S7, chloroplastic</name>
                <natural_source database="NCBI">
                    <organism ncbi="3562">Spinacia oleracea</organism>
                </natural_source>
                <molecular_weight>
                    <theoretical units="MDa">0.017378309</theoretical>
                </molecular_weight>
                <number_of_copies>1</number_of_copies>
                <enantiomer>LEVO</enantiomer>
                <sequence>
                    <string>MSRRGTVEEKTAKSDPIYRNRLVNMLVNRILKHGKKSLAYQILYRAVKKIQQKTETNPLSVLRQAIRGVTPDIAVKARRV
GGSTHQVPIEIGSTQGKALAIRWLLGAARKRPGRNMAFKLSSELVDAAKGSGDAVRKKEETHRMAEANRAFAHFR</string>
                    <external_references type="UNIPROTKB">P82129</external_references>
                </sequence>
            </protein_or_peptide>
            <protein_or_peptide macromolecule_id="10">
                <name>30S ribosomal protein S8, chloroplastic</name>
                <natural_source database="NCBI">
                    <organism ncbi="3562">Spinacia oleracea</organism>
                </natural_source>
                <molecular_weight>
                    <theoretical units="MDa">0.015527255999999998</theoretical>
                </molecular_weight>
                <number_of_copies>1</number_of_copies>
                <enantiomer>LEVO</enantiomer>
                <sequence>
                    <string>MGKDTIADIITCIRNADMNRKGTVRIVSTNITENIVKILLREGFIENARKHQERNKYFLVLTLRHRRNKKGPYLNTFHLK
RVSRPGLRIYSNYQRIPRILGGMGIAILSTSRGIMTDREARLEGIGGEILCYIW</string>
                    <external_references type="UNIPROTKB">P09597</external_references>
                </sequence>
            </protein_or_peptide>
            <protein_or_peptide macromolecule_id="11">
                <name>plastid ribosomal protein uS9c</name>
                <natural_source database="NCBI">
                    <organism ncbi="3562">Spinacia oleracea</organism>
                </natural_source>
                <molecular_weight>
                    <theoretical units="MDa">0.022415057</theoretical>
                </molecular_weight>
                <number_of_copies>1</number_of_copies>
                <enantiomer>LEVO</enantiomer>
                <sequence>
                    <string>MAVSISSLTSSFASLSFTSNLTPKPQTLPMARTKPFSLSNPAVVKPLVITATSATAPVEVAETADLEKFVKSRLPGGFAA
QTVIGTGRRKCAIARVVLQEGTGKFIINYRDAKEYLQGNPLWLQYVKTPLATLGYETNYDVFVKAHGGGLSGQAQAISLG
VARALLKVSASHRAPLKQEGLLTRDSRIVERKKPGLKKARKAPQFSKR</string>
                    <external_references type="UNIPROTKB">A0A0K9RY17</external_references>
                </sequence>
            </protein_or_peptide>
            <protein_or_peptide macromolecule_id="12">
                <name>plastid ribosomal protein uS10c</name>
                <natural_source database="NCBI">
                    <organism ncbi="3562">Spinacia oleracea</organism>
                </natural_source>
                <molecular_weight>
                    <theoretical units="MDa">0.021440538999999998</theoretical>
                </molecular_weight>
                <number_of_copies>1</number_of_copies>
                <enantiomer>LEVO</enantiomer>
                <sequence>
                    <string>MATSSISAALLSPLTLRNASSSSTKQDFSTLSSLNLRRTLTPTLQSGHTLSNSSNFATFAAPGALEVLETSPDSFEDGSE
TSKISIAADSDQMAPKQKIRIKLRSYWVPLIEDSCKQIMDAARTTNAKIMGPVPLPTKKRIYCVLKSPHVHKDARFHFEI
RTHQRLIDILYPTAQTIDSLMQLDLPAGVDVEVKL</string>
                    <external_references type="UNIPROTKB">A0A0K9RWE7</external_references>
                </sequence>
            </protein_or_peptide>
            <protein_or_peptide macromolecule_id="13">
                <name>30S ribosomal protein S11, chloroplastic</name>
                <natural_source database="NCBI">
                    <organism ncbi="3562">Spinacia oleracea</organism>
                </natural_source>
                <molecular_weight>
                    <theoretical units="MDa">0.014927550999999999</theoretical>
                </molecular_weight>
                <number_of_copies>1</number_of_copies>
                <enantiomer>LEVO</enantiomer>
                <sequence>
                    <string>MAKPIPKIGSRRNGRISSRKSARKIPKGVIHVQASFNNTIVTVTDVRGRVVSWASAGTCGFRGTKRGTPFAAQTAAGNAI
RTVVEQGMQRAEVMIKGPGLGRDAALRAIRRSGILLSFVRDVTPMPHNGCRPPKKRRV</string>
                    <external_references type="UNIPROTKB">P06506</external_references>
                </sequence>
            </protein_or_peptide>
            <protein_or_peptide macromolecule_id="14">
                <name>30S ribosomal protein S12, chloroplastic</name>
                <natural_source database="NCBI">
                    <organism ncbi="3562">Spinacia oleracea</organism>
                </natural_source>
                <molecular_weight>
                    <theoretical units="MDa">0.013794261</theoretical>
                </molecular_weight>
                <number_of_copies>1</number_of_copies>
                <enantiomer>LEVO</enantiomer>
                <sequence>
                    <string>MPTIKQLIRNTRQPIRNVTKSPALRGCPQRRGTCTRVYTITPKKPNSALRKVARVRLTSGFEITAYIPGIGHNLQEHSVV
LVRGGRVKDLPGVRYHIVRGTLDAVGVKDRQQGRSKYGVKKPK</string>
                    <external_references type="UNIPROTKB">P62128</external_references>
                </sequence>
            </protein_or_peptide>
            <protein_or_peptide macromolecule_id="15">
                <name>plastid ribosomal protein uS13c</name>
                <natural_source database="NCBI">
                    <organism ncbi="3562">Spinacia oleracea</organism>
                </natural_source>
                <molecular_weight>
                    <theoretical units="MDa">0.019310641</theoretical>
                </molecular_weight>
                <number_of_copies>1</number_of_copies>
                <enantiomer>LEVO</enantiomer>
                <sequence>
                    <string>MAHTLATPVAPSVSLICNTKLSVSLSSSSLAFRPVNPKNGGGLSIKCVRVGNVEIPNNKRVEYSLQYIHGIGRSRARQIL
CDLTLENKLTKELSEDELLQVRDEVTKYMIEGDLRRFNAIAIRRLKEIQCYRGVRHIQGLPCRGQRTKNNCRTLKRGKRV
QIAGKKKPPGPK</string>
                    <external_references type="UNIPROTKB">A0A0K9R024</external_references>
                </sequence>
            </protein_or_peptide>
            <protein_or_peptide macromolecule_id="16">
                <name>30S ribosomal protein S14, chloroplastic</name>
                <natural_source database="NCBI">
                    <organism ncbi="3562">Spinacia oleracea</organism>
                </natural_source>
                <molecular_weight>
                    <theoretical units="MDa">0.011809832</theoretical>
                </molecular_weight>
                <number_of_copies>1</number_of_copies>
                <enantiomer>LEVO</enantiomer>
                <sequence>
                    <string>MARKSLIQREKKRRNLEQKYHLIRRSSKQEIRKVTSLSDKWEIHGKLQSPPRNSAPARLHRRCFLTGRPRANIRDFGLSG
HILREMVHTCLLPGATRSSW</string>
                    <external_references type="UNIPROTKB">P06507</external_references>
                </sequence>
            </protein_or_peptide>
            <protein_or_peptide macromolecule_id="17">
                <name>30S ribosomal protein S15, chloroplastic</name>
                <natural_source database="NCBI">
                    <organism ncbi="3562">Spinacia oleracea</organism>
                </natural_source>
                <molecular_weight>
                    <theoretical units="MDa">0.010778763</theoretical>
                </molecular_weight>
                <number_of_copies>1</number_of_copies>
                <enantiomer>LEVO</enantiomer>
                <sequence>
                    <string>MKKNSFISVISDEKKEENKGSVEFQVFCFTNKIRRLTLHLELHKKDYSSQRGLRKTLGKRQRLLAYLLKINGVRYKELIS
KLNIRELKTR</string>
                    <external_references type="UNIPROTKB">Q9M3I4</external_references>
                </sequence>
            </protein_or_peptide>
            <protein_or_peptide macromolecule_id="18">
                <name>30S ribosomal protein S16, chloroplastic</name>
                <natural_source database="NCBI">
                    <organism ncbi="3562">Spinacia oleracea</organism>
                </natural_source>
                <molecular_weight>
                    <theoretical units="MDa">0.010454236999999998</theoretical>
                </molecular_weight>
                <number_of_copies>1</number_of_copies>
                <enantiomer>LEVO</enantiomer>
                <sequence>
                    <string>MVKLRLKRCGRKQRAVYRIVAIDVRSRREGRDLQKVGFYDPIKSQTYLNVPAILDFLEKGAQPTETVYDILKRAEVFKEF
RLNQTKFN</string>
                    <external_references type="UNIPROTKB">P28807</external_references>
                </sequence>
            </protein_or_peptide>
            <protein_or_peptide macromolecule_id="19">
                <name>plastid ribosomal protein uS17c</name>
                <natural_source database="NCBI">
                    <organism ncbi="3562">Spinacia oleracea</organism>
                </natural_source>
                <molecular_weight>
                    <theoretical units="MDa">0.018151936</theoretical>
                </molecular_weight>
                <number_of_copies>1</number_of_copies>
                <enantiomer>LEVO</enantiomer>
                <sequence>
                    <string>MSLSFSLLKPPLSSSNPNPFLHGTTTKLSLLPSFSALSLSSSPPSSSTTYTFPVIKAMRSMQGKVICATNDKTVNVEVVR
LAPHPKYKRRVRKKKKYQAHDPDNQFKVGDWVQLDKCRPISKTKTFLAVAPEGRQSSATRPKPIQAASDELGIPLESQVE
GDKTV</string>
                    <external_references type="UNIPROTKB">A0A0K9RRR0</external_references>
                </sequence>
            </protein_or_peptide>
            <protein_or_peptide macromolecule_id="20">
                <name>30S ribosomal protein S18, chloroplastic</name>
                <natural_source database="NCBI">
                    <organism ncbi="3562">Spinacia oleracea</organism>
                </natural_source>
                <molecular_weight>
                    <theoretical units="MDa">0.012079137</theoretical>
                </molecular_weight>
                <number_of_copies>1</number_of_copies>
                <enantiomer>LEVO</enantiomer>
                <sequence>
                    <string>MDKSKRPFIKSKRSFRRRLPPIQSGDRIDYRNMSLISRFISEQGKILSRRVNRLTLKQQRLITSAIKQARILSLLPFLNN
EKQFERTESTTRTANFRTKNK</string>
                    <external_references type="UNIPROTKB">Q9M3K7</external_references>
                </sequence>
            </protein_or_peptide>
            <protein_or_peptide macromolecule_id="21">
                <name>30S ribosomal protein S19 alpha, chloroplastic</name>
                <natural_source database="NCBI">
                    <organism ncbi="3562">Spinacia oleracea</organism>
                </natural_source>
                <molecular_weight>
                    <theoretical units="MDa">0.0106325</theoretical>
                </molecular_weight>
                <number_of_copies>1</number_of_copies>
                <enantiomer>LEVO</enantiomer>
                <sequence>
                    <string>MTRSLKKNPFVANHLLRKIEKLNKKAEKEIIVTWSRASTIIPTMIGHTIAIHNGREHLPIYITDRMVGHKLGEFAPTLNF
RGHAKNDNKSRR</string>
                    <external_references type="UNIPROTKB">P06508</external_references>
                </sequence>
            </protein_or_peptide>
            <protein_or_peptide macromolecule_id="22">
                <name>plastid ribosomal protein bS20c</name>
                <natural_source database="NCBI">
                    <organism ncbi="3562">Spinacia oleracea</organism>
                </natural_source>
                <molecular_weight>
                    <theoretical units="MDa">0.020147291</theoretical>
                </molecular_weight>
                <number_of_copies>1</number_of_copies>
                <enantiomer>LEVO</enantiomer>
                <sequence>
                    <string>MAAISMACVSSQCLSISSKLHNLSFSSTQFPNSSLKPLTFSANLSQPLFSQGCSSLGSFQRRGFSVVCEVATLKKADSAA
KRTRQAETRRLRNKARKSEVKTRMRKVFEALDALKKKSGASTEELVPIDNLIAEAYSAIDKAVVKGTLHRNTAARRKSRL
ARNKKVVEIHHGWYTPSLAPTNV</string>
                </sequence>
            </protein_or_peptide>
            <protein_or_peptide macromolecule_id="23">
                <name>plastid ribosomal protein bS21c</name>
                <natural_source database="NCBI">
                    <organism ncbi="3562">Spinacia oleracea</organism>
                </natural_source>
                <molecular_weight>
                    <theoretical units="MDa">0.02061615</theoretical>
                </molecular_weight>
                <number_of_copies>1</number_of_copies>
                <enantiomer>LEVO</enantiomer>
                <sequence>
                    <string>MASTSSLLNFLSPLFPSNTSLPPSSNPKFPNPNSLSSQQNSISISSKKHENAAIAKKEEYPGDLMAVVCPSLAFSNTLYF
RSAYNVQVLVDDNENEERLLNRFRREVMRAGVIQECKRRRYFENKQEEKKRKHREAAKRNSRRRRGPFRGPFPGKEEATK
VDKKEDDGDNWDMPEGGAPF</string>
                    <external_references type="UNIPROTKB">A0A0K9RHF9</external_references>
                </sequence>
            </protein_or_peptide>
            <protein_or_peptide macromolecule_id="24">
                <name>30S ribosomal protein 2, chloroplastic</name>
                <natural_source database="NCBI">
                    <organism ncbi="3562">Spinacia oleracea</organism>
                </natural_source>
                <molecular_weight>
                    <theoretical units="MDa">0.028327863</theoretical>
                </molecular_weight>
                <number_of_copies>1</number_of_copies>
                <enantiomer>LEVO</enantiomer>
                <sequence>
                    <string>MATISSILPCHGLLQHCSSSSSSSKPKFSSQNLVQLQSFSNGFGLKLKTRVSTNPPLLKVRAVVTEETSSSSTASSSSDG
EGARRLYVGNIPRNLNNDELRTIVEEHGAIEIAEVMYDKYSGRSRRFGFVTMKTVEDANAVIEKLNDTEIGGRKIKVNIT
EKPLEGMDIATTQAEDSQFVESPYKVYIGNLAKTVTNELLKDFFSEKGKVLGAKVQRTPGTSKSNGFGFVSFSSEEEVEA
AIQALNNSVLEGQKIRVNKA</string>
                    <external_references type="UNIPROTKB">P82277</external_references>
                </sequence>
            </protein_or_peptide>
            <protein_or_peptide macromolecule_id="25">
                <name>30S ribosomal protein 3, chloroplastic</name>
                <natural_source database="NCBI">
                    <organism ncbi="3562">Spinacia oleracea</organism>
                </natural_source>
                <molecular_weight>
                    <theoretical units="MDa">0.020312749999999997</theoretical>
                </molecular_weight>
                <number_of_copies>1</number_of_copies>
                <enantiomer>LEVO</enantiomer>
                <sequence>
                    <string>MLSMAVQPNINAIAKPSIYQSPKLSLKPFKTPAFANPKPFFSSPSFSQLKKKNNWSLFVAPETISDVAIMGNEVDIDDDL
LVNKEKLKVLVKPMDKPRLVLKFIWMEKNIGLALDQTIPGHGTVPLSPYYFWPRKDAWEELKVLLENKPWISQKQMIILL
NQATDIINLWQQSGGNLAS</string>
                    <external_references type="UNIPROTKB">P82412</external_references>
                </sequence>
            </protein_or_peptide>
            <protein_or_peptide macromolecule_id="26">
                <name>30S ribosomal protein S31, chloroplastic</name>
                <natural_source database="NCBI">
                    <organism ncbi="3562">Spinacia oleracea</organism>
                </natural_source>
                <molecular_weight>
                    <theoretical units="MDa">0.010602075999999998</theoretical>
                </molecular_weight>
                <number_of_copies>1</number_of_copies>
                <enantiomer>LEVO</enantiomer>
                <sequence>
                    <string>MASLLLGTPSMACHSVSFSFSHSQSVAGVSLSSPPTLSLSSSVSTSPALPLIYCGRGDRKTAKGKRFNHSFGNARPKNKN
KGRGPPKAPIFPKGDPSQKED</string>
                    <external_references type="UNIPROTKB">P47910</external_references>
                </sequence>
            </protein_or_peptide>
            <protein_or_peptide macromolecule_id="27">
                <name>Ribosome-binding factor PSRP1, chloroplastic</name>
                <natural_source database="NCBI">
                    <organism ncbi="3562">Spinacia oleracea</organism>
                </natural_source>
                <molecular_weight>
                    <theoretical units="MDa">0.033799266</theoretical>
                </molecular_weight>
                <number_of_copies>1</number_of_copies>
                <enantiomer>LEVO</enantiomer>
                <sequence>
                    <string>MATLCTSAINMNPNLTNSLSNSINLSSTPTNLSSLRSTFTNSCSLGLNVAVKSVQISRNKPNVVCMSWDGPLSSVKLILQ
GRNLEVSDNVRSHVEDKVGKSVAKHSHLVREVDVRLSARGGDLSKGPKLRRCEVTLFTKRHGVIRAEEDAESLYSSIDLV
SSIIQRKLRKIKDKVSDHGRHMKGFNRSKVRDPEPVRITREEVLEEVESAPAPVSVEDDDFIEEVVRTKYFDMPPLTITE
AVEQLENVDHDFYAFRNEETGDINILYKRKEGGYGLIIPKDGKTEKLESLPVQTDKQPSFAE</string>
                    <external_references type="UNIPROTKB">P19954</external_references>
                </sequence>
            </protein_or_peptide>
            <ligand macromolecule_id="28">
                <name>MAGNESIUM ION</name>
                <molecular_weight>
                    <theoretical units="MDa">2.4305e-05</theoretical>
                </molecular_weight>
                <number_of_copies>185</number_of_copies>
                <formula>MG</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">
                    <concentration units="mg/mL">0.12</concentration>
                    <buffer>
                        <ph>7.6</ph>
                        <component>
                            <concentration units="mM">25.0</concentration>
                            <formula>Tris-HCl</formula>
                            <name>Tris hydrochloride</name>
                        </component>
                        <component>
                            <concentration units="mM">25.0</concentration>
                            <formula>KCl</formula>
                            <name>Potassium chloride</name>
                        </component>
                        <component>
                            <concentration units="mM">25.0</concentration>
                            <formula>Mg(CH3COO)2</formula>
                            <name>Magnesium acetate</name>
                        </component>
                        <component>
                            <concentration units="mM">2.0</concentration>
                            <formula>DTT</formula>
                            <name>Dithiothreitol</name>
                        </component>
                        <component>
                            <concentration units="mM">0.05</concentration>
                            <name>Spermine</name>
                        </component>
                        <component>
                            <concentration units="mM">2.0</concentration>
                            <name>Spermidine</name>
                        </component>
                    </buffer>
                    <grid>
                        <model>Quantifoil R2/2</model>
                        <material>COPPER</material>
                        <support_film film_type_id="1">
                            <film_material>CARBON</film_material>
                            <film_topology>CONTINUOUS</film_topology>
                        </support_film>
                        <pretreatment>
                            <type>GLOW DISCHARGE</type>
                        </pretreatment>
                    </grid>
                    <vitrification>
                        <cryogen_name>ETHANE-PROPANE</cryogen_name>
                        <chamber_humidity units="percentage">100</chamber_humidity>
                        <chamber_temperature units="K">278</chamber_temperature>
                        <instrument>FEI VITROBOT MARK I</instrument>
                    </vitrification>
                </single_particle_preparation>
            </specimen_preparation_list>
            <microscopy_list>
                <single_particle_microscopy microscopy_id="1">
                    <microscope>FEI TITAN KRIOS</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">2.7</nominal_cs>
                    <nominal_defocus_min units="µm">0.8</nominal_defocus_min>
                    <nominal_defocus_max units="µm">3.5</nominal_defocus_max>
                    <nominal_magnification>59000.0</nominal_magnification>
                    <specimen_holder_model>FEI TITAN KRIOS AUTOGRID HOLDER</specimen_holder_model>
                    <image_recording_list>
                        <image_recording image_recording_id="1">
                            <film_or_detector_model>FEI FALCON II (4k x 4k)</film_or_detector_model>
                            <detector_mode>INTEGRATING</detector_mode>
                            <digitization_details>
                                <frames_per_image>2-8</frames_per_image>
                            </digitization_details>
                            <number_real_images>2796</number_real_images>
                            <average_electron_dose_per_image units="e/Å^2">20.0</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>326094</number_selected>
                </particle_selection>
                <startup_model type_of_model="EMDB MAP">
                    <emdb_id>EMD-2847</emdb_id>
                </startup_model>
                <final_reconstruction>
                    <applied_symmetry>
                        <point_group>C1</point_group>
                    </applied_symmetry>
                    <resolution units="Å" res_type="BY AUTHOR">3.6</resolution>
                    <resolution_method>FSC 0.143 CUT-OFF</resolution_method>
                    <software_list>
                        <software>
                            <name>RELION</name>
                            <version>1.4</version>
                        </software>
                    </software_list>
                    <number_images_used>127031</number_images_used>
                </final_reconstruction>
                <initial_angle_assignment>
                    <type>PROJECTION MATCHING</type>
                    <projection_matching_processing/>
                    <software_list>
                        <software>
                            <name>RELION</name>
                            <version>1.4</version>
                        </software>
                    </software_list>
                </initial_angle_assignment>
                <final_angle_assignment>
                    <type>PROJECTION MATCHING</type>
                    <projection_matching_processing/>
                    <software_list>
                        <software>
                            <name>RELION</name>
                            <version>1.4</version>
                        </software>
                    </software_list>
                </final_angle_assignment>
                <final_three_d_classification>
                    <software_list>
                        <software>
                            <name>RELION</name>
                            <version>1.4</version>
                        </software>
                    </software_list>
                </final_three_d_classification>
            </singleparticle_processing>
        </structure_determination>
    </structure_determination_list>
    <map format="CCP4" size_kbytes="131073">
        <file>emd_3532.map.gz</file>
        <symmetry>
            <space_group>1</space_group>
        </symmetry>
        <data_type>IMAGE STORED AS FLOATING POINT NUMBER (4 BYTES)</data_type>
        <dimensions>
            <col>320</col>
            <row>320</row>
            <sec>320</sec>
        </dimensions>
        <origin>
            <col>0</col>
            <row>0</row>
            <sec>0</sec>
        </origin>
        <spacing>
            <x>320</x>
            <y>320</y>
            <z>320</z>
        </spacing>
        <cell>
            <a units="Å">444.8</a>
            <b units="Å">444.8</b>
            <c units="Å">444.8</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>-0.10384296</minimum>
            <maximum>0.34530732</maximum>
            <average>0.0009308014</average>
            <std>0.010387902</std>
        </statistics>
        <pixel_spacing>
            <x units="Å">1.39</x>
            <y units="Å">1.39</y>
            <z units="Å">1.39</z>
        </pixel_spacing>
        <contour_list>
            <contour primary="true">
                <level>0.06</level>
                <source>AUTHOR</source>
            </contour>
        </contour_list>
        <label>::::EMDATABANK.org::::D_1200002691::::</label>
        <annotation_details>Cryo-EM reconstruction of the 30S small subunit of the chloroplast ribosome</annotation_details>
    </map>
    <interpretation>
        <modelling_list>
            <modelling>
                <refinement_protocol>OTHER</refinement_protocol>
                <refinement_space>RECIPROCAL</refinement_space>
                <overall_bvalue>111.599999999999994</overall_bvalue>
            </modelling>
        </modelling_list>
    </interpretation>
</emd>
