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            <date>2026-09-16</date>
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                        <revision_type>REMEDIATION</revision_type>
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                        <description>Metalloprotein remediation</description>
                        <revision_group>STRUCTURE_SUMMARY</revision_group>
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                            <category>em_admin</category>
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        <sites>
            <deposition>PDBe</deposition>
            <last_processing>PDBe</last_processing>
        </sites>
        <key_dates>
            <deposition>2021-02-11</deposition>
            <header_release>2021-05-05</header_release>
            <map_release>2021-05-05</map_release>
            <update>2026-09-16</update>
        </key_dates>
        <grant_support>
            <grant_reference>
                <funding_body>German Research Foundation (DFG)</funding_body>
                <code>836/3-2</code>
                <country>Germany</country>
            </grant_reference>
            <grant_reference>
                <funding_body>German Research Foundation (DFG)</funding_body>
                <code>836/4-1</code>
                <country>Germany</country>
            </grant_reference>
            <grant_reference>
                <funding_body>German Research Foundation (DFG)</funding_body>
                <code>SCHU 3364/1-1</code>
                <country>Germany</country>
            </grant_reference>
        </grant_support>
        <title>Structure of PSII-I prime (PSII with Psb28, and Psb34)</title>
        <authors_list>
            <author>Zabret J</author>
            <author>Bohn S</author>
        </authors_list>
        <keywords>Membrane Protein Biogenesis Assembly Factors Photosystem II, PHOTOSYNTHESIS</keywords>
    </admin>
    <crossreferences>
        <citation_list>
            <primary_citation>
                <journal_citation published="true">
                    <author order="1">Zabret J</author>
                    <author ORCID="0000-0001-9196-622X" order="2">Bohn S</author>
                    <author order="3">Schuller SK</author>
                    <author ORCID="0000-0003-1433-1233" order="4">Arnolds O</author>
                    <author order="5">Moller M</author>
                    <author ORCID="0000-0003-1026-1573" order="6">Meier-Credo J</author>
                    <author order="7">Liauw P</author>
                    <author order="8">Chan A</author>
                    <author ORCID="0000-0001-8434-1010" order="9">Tajkhorshid E</author>
                    <author order="10">Langer JD</author>
                    <author order="11">Stoll R</author>
                    <author order="12">Krieger-Liszkay A</author>
                    <author order="13">Engel BD</author>
                    <author ORCID="0000-0003-2693-9561" order="14">Rudack T</author>
                    <author ORCID="0000-0002-9121-1764" order="15">Schuller JM</author>
                    <author ORCID="0000-0002-9269-0672" order="16">Nowaczyk MM</author>
                    <title>Structural insights into photosystem II assembly.</title>
                    <journal_abbreviation>Nat.Plants</journal_abbreviation>
                    <country>UK</country>
                    <volume>7</volume>
                    <first_page>524</first_page>
                    <last_page>538</last_page>
                    <year>2021</year>
                    <external_references type="PUBMED">33846594</external_references>
                    <external_references type="DOI">doi:10.1038/s41477-021-00895-0</external_references>
                    <external_references type="ISSN">2055-0278</external_references>
                </journal_citation>
            </primary_citation>
        </citation_list>
        <pdb_list>
            <pdb_reference>
                <pdb_id>7nhq</pdb_id>
                <relationship>
                    <in_frame>FULLOVERLAP</in_frame>
                </relationship>
            </pdb_reference>
        </pdb_list>
        <other_db_list>
            <db_reference>
                <db_name>EMDB</db_name>
                <accession_id>EMD-12337</accession_id>
                <content_type>associated EM volume</content_type>
                <details>Structure of PSII-I prime (PSII with Psb28, and Psb34)</details>
            </db_reference>
        </other_db_list>
    </crossreferences>
    <sample>
        <name>PSII-I prime</name>
        <supramolecule_list>
            <complex_supramolecule supramolecule_id="1">
                <name>PSII-I prime</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_list>
                <natural_source database="NCBI">
                    <organism ncbi="197221">Thermosynechococcus elongatus BP-1</organism>
                </natural_source>
            </complex_supramolecule>
        </supramolecule_list>
        <macromolecule_list>
            <protein_or_peptide macromolecule_id="1">
                <name>Photosystem II protein D1 1</name>
                <natural_source database="NCBI">
                    <organism ncbi="197221">Thermosynechococcus elongatus BP-1</organism>
                </natural_source>
                <molecular_weight>
                    <theoretical units="MDa">0.039762309</theoretical>
                </molecular_weight>
                <number_of_copies>1</number_of_copies>
                <enantiomer>LEVO</enantiomer>
                <sequence>
                    <string>MTTTLQRRESANLWERFCNWVTSTDNRLYVGWFGVIMIPTLLAATICFVIAFIAAPPVDIDGIREPVSGSLLYGNNIITG
AVVPSSNAIGLHFYPIWEAASLDEWLYNGGPYQLIIFHFLLGASCYMGRQWELSYRLGMRPWICVAYSAPLASAFAVFLI
YPIGQGSFSDGMPLGISGTFNFMIVFQAEHNILMHPFHQLGVAGVFGGALFCAMHGSLVTSSLIRETTETESANYGYKFG
QEEETYNIVAAHGYFGRLIFQYASFNNSRSLHFFLAAWPVVGVWFTALGISTMAFNLNGFNFNHSVIDAKGNVINTWADI
INRANLGMEVMHERNAHNFPLDLASAESAPVAMIAPSING</string>
                    <external_references type="UNIPROTKB">P0A444</external_references>
                </sequence>
                <ec_number>1.10.3.9</ec_number>
            </protein_or_peptide>
            <protein_or_peptide macromolecule_id="2">
                <name>Photosystem II CP47 reaction center protein</name>
                <natural_source database="NCBI">
                    <organism ncbi="197221">Thermosynechococcus elongatus BP-1</organism>
                </natural_source>
                <molecular_weight>
                    <theoretical units="MDa">0.056656457</theoretical>
                </molecular_weight>
                <number_of_copies>1</number_of_copies>
                <enantiomer>LEVO</enantiomer>
                <sequence>
                    <string>MGLPWYRVHTVLINDPGRLIAAHLMHTALVAGWAGSMALYELATFDPSDPVLNPMWRQGMFVLPFMARLGVTGSWSGWSI
TGETGIDPGFWSFEGVALAHIVLSGLLFLAACWHWVYWDLELFRDPRTGEPALDLPKMFGIHLFLAGLLCFGFGAFHLTG
LFGPGMWVSDPYGLTGSVQPVAPEWGPDGFNPYNPGGVVAHHIAAGIVGIIAGLFHILVRPPQRLYKALRMGNIETVLSS
SIAAVFFAAFVVAGTMWYGSATTPIELFGPTRYQWDSSYFQQEINRRVQASLASGATLEEAWSAIPEKLAFYDYIGNNPA
KGGLFRTGPMNKGDGIAQAWKGHAVFRNKEGEELFVRRMPAFFESFPVILTDKNGVVKADIPFRRAESKYSFEQQGVTVS
FYGGELNGQTFTDPPTVKSYARKAIFGEIFEFDTETLNSDGIFRTSPRGWFTFAHAVFALLFFFGHIWHGARTLFRDVFS
GIDPELSPEQVEWGFYQKVGDVTTRRKEAV</string>
                    <external_references type="UNIPROTKB">Q8DIQ1</external_references>
                </sequence>
            </protein_or_peptide>
            <protein_or_peptide macromolecule_id="3">
                <name>Photosystem II CP43 reaction center protein</name>
                <natural_source database="NCBI">
                    <organism ncbi="197221">Thermosynechococcus elongatus BP-1</organism>
                </natural_source>
                <molecular_weight>
                    <theoretical units="MDa">0.0502875</theoretical>
                </molecular_weight>
                <number_of_copies>1</number_of_copies>
                <enantiomer>LEVO</enantiomer>
                <sequence>
                    <string>MVTLSSNSIFATNRDQESSGFAWWAGNARLINLSGKLLGAHVAHAGLIVFWAGAMTLFELAHFIPEKPMYEQGLILIPHI
ATLGWGVGPGGEVVDTFPFFVVGVVHLISSAVLGFGGVYHAIRGPETLEEYSSFFGYDWKDKNKMTTILGFHLIVLGIGA
LLLVAKAMFFGGLYDTWAPGGGDVRVITNPTLDPRVIFGYLLKSPFGGEGWIVSVNNLEDVVGGHIWIGLICIAGGIWHI
LTTPFGWARRAFIWSGEAYLSYSLGALSMMGFIATCFVWFNNTVYPSEFYGPTGPEASQAQAMTFLIRDQKLGANVGSAQ
GPTGLGKYLMRSPTGEIIFGGETMRFWDFRGPWLEPLRGPNGLDLNKIKNDIQPWQERRAAEYMTHAPLGSLNSVGGVAT
EINSVNFVSPRSWLATSHFVLAFFFLVGHLWHAGRARAAAAGFEKGIDRESEPVLSMPSLD</string>
                    <external_references type="UNIPROTKB">Q8DIF8</external_references>
                </sequence>
            </protein_or_peptide>
            <protein_or_peptide macromolecule_id="4">
                <name>Photosystem II D2 protein</name>
                <natural_source database="NCBI">
                    <organism ncbi="197221">Thermosynechococcus elongatus BP-1</organism>
                </natural_source>
                <molecular_weight>
                    <theoretical units="MDa">0.039388156</theoretical>
                </molecular_weight>
                <number_of_copies>1</number_of_copies>
                <enantiomer>LEVO</enantiomer>
                <sequence>
                    <string>MTIAIGRAPAERGWFDILDDWLKRDRFVFVGWSGILLFPCAYLALGGWLTGTTFVTSWYTHGLASSYLEGCNFLTVAVST
PANSMGHSLLLLWGPEAQGDFTRWCQLGGLWTFIALHGAFGLIGFMLRQFEIARLVGVRPYNAIAFSAPIAVFVSVFLIY
PLGQSSWFFAPSFGVAAIFRFLLFFQGFHNWTLNPFHMMGVAGVLGGALLCAIHGATVENTLFQDGEGASTFRAFNPTQA
EETYSMVTANRFWSQIFGIAFSNKRWLHFFMLFVPVTGLWMSAIGVVGLALNLRSYDFISQEIRAAEDPEFETFYTKNLL
LNEGIRAWMAPQDQPHENFVFPEEVLPRGNAL</string>
                    <external_references type="UNIPROTKB">Q8CM25</external_references>
                </sequence>
                <ec_number>1.10.3.9</ec_number>
            </protein_or_peptide>
            <protein_or_peptide macromolecule_id="5">
                <name>Cytochrome b559 subunit alpha</name>
                <natural_source database="NCBI">
                    <organism ncbi="197221">Thermosynechococcus elongatus BP-1</organism>
                </natural_source>
                <molecular_weight>
                    <theoretical units="MDa">0.00958084</theoretical>
                </molecular_weight>
                <number_of_copies>1</number_of_copies>
                <enantiomer>LEVO</enantiomer>
                <sequence>
                    <string>MAGTTGERPFSDIITSVRYWVIHSITIPALFIAGWLFVSTGLAYDVFGTPRPDSYYAQEQRSIPLVTDRFEAKQQVETFL
EQLK</string>
                    <external_references type="UNIPROTKB">Q8DIP0</external_references>
                </sequence>
            </protein_or_peptide>
            <protein_or_peptide macromolecule_id="6">
                <name>Cytochrome b559 subunit beta</name>
                <natural_source database="NCBI">
                    <organism ncbi="197221">Thermosynechococcus elongatus BP-1</organism>
                </natural_source>
                <molecular_weight>
                    <theoretical units="MDa">0.005067899999999999</theoretical>
                </molecular_weight>
                <number_of_copies>1</number_of_copies>
                <enantiomer>LEVO</enantiomer>
                <sequence>
                    <string>MTSNTPNQEPVSYPIFTVRWVAVHTLAVPTIFFLGAIAAMQFIQR</string>
                    <external_references type="UNIPROTKB">Q8DIN9</external_references>
                </sequence>
            </protein_or_peptide>
            <protein_or_peptide macromolecule_id="7">
                <name>Photosystem II reaction center protein H</name>
                <natural_source database="NCBI">
                    <organism ncbi="197221">Thermosynechococcus elongatus BP-1</organism>
                </natural_source>
                <molecular_weight>
                    <theoretical units="MDa">0.0073587539999999995</theoretical>
                </molecular_weight>
                <number_of_copies>1</number_of_copies>
                <enantiomer>LEVO</enantiomer>
                <sequence>
                    <string>MARRTWLGDILRPLNSEYGKVAPGWGTTPLMAVFMGLFLVFLLIILEIYNSTLILDGVNVSWKALG</string>
                    <external_references type="UNIPROTKB">Q8DJ43</external_references>
                </sequence>
            </protein_or_peptide>
            <protein_or_peptide macromolecule_id="8">
                <name>Photosystem II reaction center protein I</name>
                <natural_source database="NCBI">
                    <organism ncbi="197221">Thermosynechococcus elongatus BP-1</organism>
                </natural_source>
                <molecular_weight>
                    <theoretical units="MDa">0.004410244999999999</theoretical>
                </molecular_weight>
                <number_of_copies>1</number_of_copies>
                <enantiomer>LEVO</enantiomer>
                <sequence>
                    <string>METLKITVYIVVTFFVLLFVFGFLSGDPARNPKRKDLE</string>
                    <external_references type="UNIPROTKB">Q8DJZ6</external_references>
                </sequence>
            </protein_or_peptide>
            <protein_or_peptide macromolecule_id="9">
                <name>Photosystem II reaction center protein K</name>
                <natural_source database="NCBI">
                    <organism ncbi="197221">Thermosynechococcus elongatus BP-1</organism>
                </natural_source>
                <molecular_weight>
                    <theoretical units="MDa">0.005028082999999999</theoretical>
                </molecular_weight>
                <number_of_copies>1</number_of_copies>
                <enantiomer>LEVO</enantiomer>
                <sequence>
                    <string>MIDALVLVAKLPEAYAIFDPLVDVLPVIPVLFLALAFVWQAAVGFR</string>
                    <external_references type="UNIPROTKB">Q9F1K9</external_references>
                </sequence>
            </protein_or_peptide>
            <protein_or_peptide macromolecule_id="10">
                <name>Photosystem II reaction center protein L</name>
                <natural_source database="NCBI">
                    <organism ncbi="197221">Thermosynechococcus elongatus BP-1</organism>
                </natural_source>
                <molecular_weight>
                    <theoretical units="MDa">0.004299043999999999</theoretical>
                </molecular_weight>
                <number_of_copies>1</number_of_copies>
                <enantiomer>LEVO</enantiomer>
                <sequence>
                    <string>MEPNPNRQPVELNRTSLYLGLLLILVLALLFSSYFFN</string>
                    <external_references type="UNIPROTKB">Q8DIN8</external_references>
                </sequence>
            </protein_or_peptide>
            <protein_or_peptide macromolecule_id="11">
                <name>Photosystem II reaction center protein M</name>
                <natural_source database="NCBI">
                    <organism ncbi="197221">Thermosynechococcus elongatus BP-1</organism>
                </natural_source>
                <molecular_weight>
                    <theoretical units="MDa">0.003981673</theoretical>
                </molecular_weight>
                <number_of_copies>1</number_of_copies>
                <enantiomer>LEVO</enantiomer>
                <sequence>
                    <string>MEVNQLGLIATALFVLVPSVFLIILYVQTESQQKSS</string>
                    <external_references type="UNIPROTKB">Q8DHA7</external_references>
                </sequence>
            </protein_or_peptide>
            <protein_or_peptide macromolecule_id="12">
                <name>Photosystem II reaction center protein T</name>
                <natural_source database="NCBI">
                    <organism ncbi="197221">Thermosynechococcus elongatus BP-1</organism>
                </natural_source>
                <molecular_weight>
                    <theoretical units="MDa">0.0038787279999999997</theoretical>
                </molecular_weight>
                <number_of_copies>1</number_of_copies>
                <enantiomer>LEVO</enantiomer>
                <sequence>
                    <string>METITYVFIFACIIALFFFAIFFREPPRITKK</string>
                    <external_references type="UNIPROTKB">Q8DIQ0</external_references>
                </sequence>
            </protein_or_peptide>
            <protein_or_peptide macromolecule_id="13">
                <name>Photosystem II reaction center X protein</name>
                <natural_source database="NCBI">
                    <organism ncbi="197221">Thermosynechococcus elongatus BP-1</organism>
                </natural_source>
                <molecular_weight>
                    <theoretical units="MDa">0.004322225999999999</theoretical>
                </molecular_weight>
                <number_of_copies>1</number_of_copies>
                <enantiomer>LEVO</enantiomer>
                <sequence>
                    <string>MTITPSLKGFFIGLLSGAVVLGLTFAVLIAISQIDKVQRSL</string>
                    <external_references type="UNIPROTKB">Q9F1R6</external_references>
                </sequence>
            </protein_or_peptide>
            <protein_or_peptide macromolecule_id="14">
                <name>Photosystem II reaction center protein Ycf12</name>
                <natural_source database="NCBI">
                    <organism ncbi="197221">Thermosynechococcus elongatus BP-1</organism>
                </natural_source>
                <molecular_weight>
                    <theoretical units="MDa">0.005039142999999999</theoretical>
                </molecular_weight>
                <number_of_copies>1</number_of_copies>
                <enantiomer>LEVO</enantiomer>
                <sequence>
                    <string>MGIFNGIIEFLSNINFEVIAQLTMIAMIGIAGPMIIFLLAVRRGNL</string>
                    <external_references type="UNIPROTKB">Q8DJI1</external_references>
                </sequence>
            </protein_or_peptide>
            <protein_or_peptide macromolecule_id="15">
                <name>Photosystem II reaction center protein Z</name>
                <natural_source database="NCBI">
                    <organism ncbi="197221">Thermosynechococcus elongatus BP-1</organism>
                </natural_source>
                <molecular_weight>
                    <theoretical units="MDa">0.006766187</theoretical>
                </molecular_weight>
                <number_of_copies>1</number_of_copies>
                <enantiomer>LEVO</enantiomer>
                <sequence>
                    <string>MTILFQLALAALVILSFVMVIGVPVAYASPQDWDRSKQLIFLGSGLWIALVLVVGVLNFFVV</string>
                    <external_references type="UNIPROTKB">Q8DHJ2</external_references>
                </sequence>
            </protein_or_peptide>
            <protein_or_peptide macromolecule_id="16">
                <name>Photosystem II reaction center Psb28 protein</name>
                <natural_source database="NCBI">
                    <organism ncbi="197221">Thermosynechococcus elongatus BP-1</organism>
                </natural_source>
                <molecular_weight>
                    <theoretical units="MDa">0.013188769</theoretical>
                </molecular_weight>
                <number_of_copies>1</number_of_copies>
                <enantiomer>LEVO</enantiomer>
                <sequence>
                    <string>MGAMAEIQFIRGINEEVVPDVRLTRARDGSSGQAMFYFDNPKIVQEGNLEVTGMYMVDEEGEIVTRDVNAKFINGQPVAI
EATYTMRSPQEWDRFIRFMDRYAASHGLGFQKSENS</string>
                    <external_references type="UNIPROTKB">Q8DLJ8</external_references>
                </sequence>
            </protein_or_peptide>
            <protein_or_peptide macromolecule_id="17">
                <name>Tsl0063 protein</name>
                <natural_source database="NCBI">
                    <organism ncbi="197221">Thermosynechococcus elongatus BP-1</organism>
                </natural_source>
                <molecular_weight>
                    <theoretical units="MDa">0.005943893</theoretical>
                </molecular_weight>
                <number_of_copies>1</number_of_copies>
                <enantiomer>LEVO</enantiomer>
                <sequence>
                    <string>MRYTTDEGGRLNNFAIEPKVYQAQPWTPQQKVRAALLVGGGLLLVAGLVAIAVGVS</string>
                    <external_references type="UNIPROTKB">Q8DMP8</external_references>
                </sequence>
            </protein_or_peptide>
            <ligand macromolecule_id="18">
                <name>FE (III) ION</name>
                <molecular_weight>
                    <theoretical units="MDa">5.5845e-05</theoretical>
                </molecular_weight>
                <number_of_copies>1</number_of_copies>
                <formula>FE</formula>
            </ligand>
            <ligand macromolecule_id="19">
                <name>MANGANESE (II) ION</name>
                <molecular_weight>
                    <theoretical units="MDa">5.4938e-05</theoretical>
                </molecular_weight>
                <number_of_copies>1</number_of_copies>
                <formula>MN</formula>
            </ligand>
            <ligand macromolecule_id="20">
                <name>CHLORIDE ION</name>
                <molecular_weight>
                    <theoretical units="MDa">3.5453e-05</theoretical>
                </molecular_weight>
                <number_of_copies>1</number_of_copies>
                <formula>CL</formula>
            </ligand>
            <ligand macromolecule_id="21">
                <name>PHEOPHYTIN A</name>
                <molecular_weight>
                    <theoretical units="MDa">0.0008712</theoretical>
                </molecular_weight>
                <number_of_copies>2</number_of_copies>
                <formula>PHO</formula>
            </ligand>
            <ligand macromolecule_id="22">
                <name>CHLOROPHYLL A</name>
                <molecular_weight>
                    <theoretical units="MDa">0.000893489</theoretical>
                </molecular_weight>
                <number_of_copies>35</number_of_copies>
                <formula>CLA</formula>
            </ligand>
            <ligand macromolecule_id="23">
                <name>BETA-CAROTENE</name>
                <molecular_weight>
                    <theoretical units="MDa">0.000536873</theoretical>
                </molecular_weight>
                <number_of_copies>10</number_of_copies>
                <formula>BCR</formula>
            </ligand>
            <ligand macromolecule_id="24">
                <name>1,2-DIPALMITOYL-PHOSPHATIDYL-GLYCEROLE</name>
                <molecular_weight>
                    <theoretical units="MDa">0.00072297</theoretical>
                </molecular_weight>
                <number_of_copies>1</number_of_copies>
                <formula>LHG</formula>
            </ligand>
            <ligand macromolecule_id="25">
                <name>1,2-DISTEAROYL-MONOGALACTOSYL-DIGLYCERIDE</name>
                <molecular_weight>
                    <theoretical units="MDa">0.0007871579999999999</theoretical>
                </molecular_weight>
                <number_of_copies>7</number_of_copies>
                <formula>LMG</formula>
            </ligand>
            <ligand macromolecule_id="26">
                <name>2,3-DIMETHYL-5-(3,7,11,15,19,23,27,31,35-NONAMETHYL-2,6,10,14,18,22,26,30,34-HEXATRIACONTANONAENYL-2,5-CYCLOHEXADIENE-1,4-DIONE-2,3-DIMETHYL-5-SOLANESYL-1,4-BENZOQUINONE</name>
                <molecular_weight>
                    <theoretical units="MDa">0.000749201</theoretical>
                </molecular_weight>
                <number_of_copies>1</number_of_copies>
                <formula>PL9</formula>
            </ligand>
            <ligand macromolecule_id="27">
                <name>PROTOPORPHYRIN IX CONTAINING FE</name>
                <molecular_weight>
                    <theoretical units="MDa">0.000616487</theoretical>
                </molecular_weight>
                <number_of_copies>1</number_of_copies>
                <formula>HEM</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>6.5</ph>
                    </buffer>
                    <vitrification>
                        <cryogen_name>ETHANE-PROPANE</cryogen_name>
                    </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>
                    <image_recording_list>
                        <image_recording image_recording_id="1">
                            <film_or_detector_model>GATAN K3 (6k x 4k)</film_or_detector_model>
                            <average_electron_dose_per_image units="e/Å^2">55.0</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>
                <ctf_correction>
                    <type>PHASE FLIPPING AND AMPLITUDE CORRECTION</type>
                </ctf_correction>
                <startup_model type_of_model="NONE"/>
                <final_reconstruction>
                    <resolution units="Å" res_type="BY AUTHOR">2.68</resolution>
                    <resolution_method>FSC 0.143 CUT-OFF</resolution_method>
                    <number_images_used>91479</number_images_used>
                </final_reconstruction>
                <initial_angle_assignment>
                    <type>PROJECTION MATCHING</type>
                    <projection_matching_processing/>
                </initial_angle_assignment>
                <final_angle_assignment>
                    <type>PROJECTION MATCHING</type>
                    <projection_matching_processing/>
                </final_angle_assignment>
            </singleparticle_processing>
        </structure_determination>
    </structure_determination_list>
    <map format="CCP4" size_kbytes="70305">
        <file>emd_12337.map.gz</file>
        <symmetry>
            <space_group>1</space_group>
        </symmetry>
        <data_type>IMAGE STORED AS FLOATING POINT NUMBER (4 BYTES)</data_type>
        <dimensions>
            <col>260</col>
            <row>260</row>
            <sec>260</sec>
        </dimensions>
        <origin>
            <col>0</col>
            <row>0</row>
            <sec>0</sec>
        </origin>
        <spacing>
            <x>260</x>
            <y>260</y>
            <z>260</z>
        </spacing>
        <cell>
            <a units="Å">283.4</a>
            <b units="Å">283.4</b>
            <c units="Å">283.4</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>-0.029516868</minimum>
            <maximum>0.06450061</maximum>
            <average>0.0000032393905</average>
            <std>0.0018405834</std>
        </statistics>
        <pixel_spacing>
            <x units="Å">1.09</x>
            <y units="Å">1.09</y>
            <z units="Å">1.09</z>
        </pixel_spacing>
        <contour_list>
            <contour primary="true">
                <level>0.006</level>
                <source>AUTHOR</source>
            </contour>
        </contour_list>
        <label>::::EMDATABANK.org::::EMD-12337::::</label>
        <annotation_details>CryoEM of PSII-I' (Psb28 and Psb34)</annotation_details>
    </map>
</emd>
