<?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_11_7/emdb.xsd" version="3.0.11.7" emdb_id="EMD-65121">
    <admin>
        <current_status>
            <date>2026-08-12</date>
            <code>REL</code>
            <processing_site>PDBc</processing_site>
        </current_status>
        <revision_history>
            <revision version="1.0" date="2026-02-18">
                <change_list>
                    <model>
                        <revision_type>INITIAL_RELEASE</revision_type>
                        <provider>REPOSITORY</provider>
                    </model>
                    <metadata>
                        <revision_type>INITIAL_RELEASE</revision_type>
                        <provider>REPOSITORY</provider>
                    </metadata>
                    <half_map part="1">
                        <revision_type>INITIAL_RELEASE</revision_type>
                        <provider>REPOSITORY</provider>
                    </half_map>
                    <half_map part="2">
                        <revision_type>INITIAL_RELEASE</revision_type>
                        <provider>REPOSITORY</provider>
                    </half_map>
                    <image>
                        <revision_type>INITIAL_RELEASE</revision_type>
                        <provider>REPOSITORY</provider>
                    </image>
                    <primary_map>
                        <revision_type>INITIAL_RELEASE</revision_type>
                        <provider>REPOSITORY</provider>
                    </primary_map>
                </change_list>
            </revision>
            <revision version="2.0" date="2026-08-12">
                <change_list>
                    <model>
                        <revision_type>REMEDIATION</revision_type>
                        <provider>REPOSITORY</provider>
                        <description>Metalloprotein remediation</description>
                        <revision_group>STRUCTURE_SUMMARY</revision_group>
                        <categories>
                            <category>chem_comp</category>
                            <category>chem_comp_atom</category>
                            <category>em_admin</category>
                            <category>pdbx_modification_feature</category>
                            <category>pdbx_nonpoly_atom_coordination</category>
                            <category>pdbx_validate_chiral</category>
                        </categories>
                        <items>
                            <item>_chem_comp.formula</item>
                            <item>_chem_comp_atom.pdbx_stereo_config</item>
                            <item>_em_admin.last_update</item>
                        </items>
                    </model>
                </change_list>
            </revision>
            <revision version="1.1" date="2026-08-12">
                <change_list>
                    <metadata>
                        <revision_group>EXPERIMENTAL_SUMMARY</revision_group>
                        <categories>
                            <category>em_admin</category>
                        </categories>
                        <items>
                            <item>_em_admin.last_update</item>
                        </items>
                    </metadata>
                </change_list>
            </revision>
        </revision_history>
        <sites>
            <deposition>PDBj</deposition>
            <last_processing>PDBc</last_processing>
        </sites>
        <key_dates>
            <deposition>2025-06-21</deposition>
            <header_release>2026-02-18</header_release>
            <map_release>2026-02-18</map_release>
            <update>2026-08-12</update>
        </key_dates>
        <grant_support>
            <grant_reference>
                <funding_body>National Science Foundation (NSF, China)</funding_body>
                <country>China</country>
            </grant_reference>
        </grant_support>
        <title>Cryo-EM structure of Euglenophyte photosystem I</title>
        <authors_list>
            <author>Zhao LS</author>
            <author>Qin BY</author>
            <author>Li K</author>
            <author>Liu LN</author>
            <author>Zhang YZ</author>
        </authors_list>
        <keywords>Euglenophyte, Photosystem I, evolution, PHOTOSYNTHESIS</keywords>
    </admin>
    <crossreferences>
        <citation_list>
            <primary_citation>
                <journal_citation published="false">
                    <author ORCID="0000-0001-5786-7746" order="1">Zhao LS</author>
                    <author ORCID="0009-0008-4330-3366" order="2">Qin BY</author>
                    <author ORCID="0000-0002-9141-860X" order="3">Li K</author>
                    <author ORCID="0000-0002-2017-1005" order="4">Zhang YZ</author>
                    <author ORCID="0000-0002-8884-4819" order="5">Liu LN</author>
                    <title>Cryo-EM structure of Euglenophyte photosystem I</title>
                    <journal_abbreviation>To Be Published</journal_abbreviation>
                    <external_references type="CSD">0353</external_references>
                </journal_citation>
            </primary_citation>
        </citation_list>
        <pdb_list>
            <pdb_reference>
                <pdb_id>9vjs</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-65121</accession_id>
                <content_type>associated EM volume</content_type>
                <details>Cryo-EM structure of Euglenophyte photosystem I</details>
            </db_reference>
        </other_db_list>
    </crossreferences>
    <sample>
        <name>Cryo-EM structure of Euglenophyte photosystem I</name>
        <supramolecule_list>
            <complex_supramolecule supramolecule_id="1">
                <name>Cryo-EM structure of Euglenophyte photosystem I</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_list>
                <natural_source database="NCBI">
                    <organism ncbi="3039">Euglena gracilis</organism>
                </natural_source>
                <molecular_weight>
                    <theoretical units="MDa">0.76</theoretical>
                </molecular_weight>
            </complex_supramolecule>
        </supramolecule_list>
        <macromolecule_list>
            <protein_or_peptide macromolecule_id="1">
                <name>Photosystem I P700 chlorophyll a apoprotein A1</name>
                <natural_source database="NCBI">
                    <organism ncbi="3039">Euglena gracilis</organism>
                </natural_source>
                <molecular_weight>
                    <theoretical units="MDa">0.084059406</theoretical>
                </molecular_weight>
                <number_of_copies>1</number_of_copies>
                <enantiomer>LEVO</enantiomer>
                <sequence>
                    <string>MTITPPEQQVKRVRVAFVSNPVETSFEKWSRPGHFSRLLSKGPNTTTWIWNLHADAHDFDNHTTDLEDISRKVFSAHFGQ
LAIIEIWLSGMFFHGARFSNYEAWLLDPIHVKPSAQIVWPIVGQEILNGDVGGNFQGIQITSGLFQLWRSCGITSEFQLY
ITALTGLIFSAVLFFAGWFHYHKAAPKLEWFQNVESMLNHHLSGLLGLGCLSWAGHQIHVSLPINKLLDSGVNPAELPLP
HDFILDKSLISQLYPSFSKGLAPFFTFHWSEYSDFLTFRGGLNNVTGGLWLTDVAHHHLALAVLFILAGHMYKTNWKIGH
DIKGLLESHTGPFTGQGHKGLYEIFTNSWHAQLSLNLAMMGSLSIIVAQHMYSMPPYPYIAIDYGTELSLFTHHYWIGGF
CIVGAAAHAAIFMVRDYDPALNFNNLLDRVLLHRDAIISHLNWVCIFLGLHSFGLYIHNDTLSALGRPQDMFSDSAIQLQ
PVFAQWIQNTHYLAPTLTAFNLVSPTTPVWGGDVVSISGKVAMMPIKLGTADFLVHHIHAFTIHVTVLILLKGVLFSRSS
RLIPDKASLGFRFPCDGPGRGGTCQVSAWDHVFLGLFWMYNSISVAIFHFSWKMQSDVWGTVLANKVSHITGGNFSQGSL
TINGWLRDFLWAQSSQVIQSYGSPLSAYGLMFLGAHFVWAFSLMFLFSGRGYWQELIESIVWAHNKLKVAPNIQPRALSI
TQGRAVGVAHYLLGGIATTWSFFLARIISVG</string>
                    <external_references type="UNIPROTKB">P19430</external_references>
                </sequence>
                <ec_number>1.97.1.12</ec_number>
            </protein_or_peptide>
            <protein_or_peptide macromolecule_id="2">
                <name>Photosystem I P700 chlorophyll a apoprotein A2</name>
                <natural_source database="NCBI">
                    <organism ncbi="3039">Euglena gracilis</organism>
                </natural_source>
                <molecular_weight>
                    <theoretical units="MDa">0.08272321099999999</theoretical>
                </molecular_weight>
                <number_of_copies>1</number_of_copies>
                <enantiomer>LEVO</enantiomer>
                <sequence>
                    <string>MATKFPKFSQGLAQDPTTRRIWFGIATSHDFESHDGMTENNLYQKIFASHFGQLAIIFLWTSGNLFHVAWQGNFEQWIKD
PLHIRPIAHAISDPHFGQPAIEAFTRSQFPGPVNIAYSGVYQWWYTIGLRTNVDLYNGSMFLLFIATLALFAGWLHLEPK
YSPKVSWFKDAESRLNHHLSALFGLSSLAWSGHLIHVAIPESRGIHVRWDNFLSQLPHPSGLEPFFKGNWSLYSENPDSL
THVFGTASGAGTAVLTFLGGFHPETKSLWLTDIAHHHLAIAVLFIVAGHMYRTNFAIGHRIDDILNAHKAPSGKLGLGHF
GLYETINNSLHFQLGLALASLGVITSLVAQHMYSLSPYAFLIQDRTTMAALYTHHQYIAGFIMTGAFAHGAIFFIRDFDE
EKNKGNVLSRILDHKEAIISHLSWVTLFLGFHTLGLYVHNDVMQAFGTPEKQILIEPVFAQWIQSAHGKNIYELNILLSS
DSSNAFSASQAIWLPGWLNGINDKSTSLFLQIGPGDFLVHHAIALGLHTTTLILVKGALDARGSRLMPDKKDFGYSFPCD
GPGRGGTCDISAWDAFYLAVFWMLNTIGWTTFYWHWKHITLWQGNVGQFNESSTYLMGWLRDYLWLNSSQLINGYNPFGM
NSLAVWGWMFLFGHLVWATGFMFLISWRGYWQELIETLVWAHERTPITNVFKWTDKPVALSIVQARLVGLAHFSVGYVFT
YAAFLIASTSAKF</string>
                    <external_references type="UNIPROTKB">P19431</external_references>
                </sequence>
                <ec_number>1.97.1.12</ec_number>
            </protein_or_peptide>
            <protein_or_peptide macromolecule_id="3">
                <name>Photosystem I iron-sulfur center</name>
                <natural_source database="NCBI">
                    <organism ncbi="3039">Euglena gracilis</organism>
                </natural_source>
                <molecular_weight>
                    <theoretical units="MDa">0.008784116</theoretical>
                </molecular_weight>
                <number_of_copies>1</number_of_copies>
                <enantiomer>LEVO</enantiomer>
                <sequence>
                    <string>MSHSVKIYNTCIGCTQCVRACPTDVLEMVPWDGCKAGQIASSPRTEDCVGCKRCESACPTDFLSVRVYLGSETSRSMGLA
Y</string>
                    <external_references type="UNIPROTKB">P31556</external_references>
                </sequence>
                <ec_number>1.97.1.12</ec_number>
            </protein_or_peptide>
            <protein_or_peptide macromolecule_id="4">
                <name>PsaD</name>
                <natural_source database="NCBI">
                    <organism ncbi="3039">Euglena gracilis</organism>
                </natural_source>
                <molecular_weight>
                    <theoretical units="MDa">0.022389361</theoretical>
                </molecular_weight>
                <number_of_copies>1</number_of_copies>
                <enantiomer>LEVO</enantiomer>
                <sequence>
                    <string>MFAETGEKAAKPAWTVPDLADALKNTSAVAKAKGIATQLPTFWELRDALSEVPKSKFPEVFASYKGSTGTLLSAAEKEEK
YVITWTSPKKQIFELPTGGAAEMEEGENIFYFARKEQCLALGAQLRTAFKPRIENFQIFRVFPNGEVQYLHPKDGVFPEK
VNQGRTKANHNPRSIGENAEPASVKFTGTTPKDVQTEGAVAMF</string>
                </sequence>
            </protein_or_peptide>
            <protein_or_peptide macromolecule_id="5">
                <name>PsaE</name>
                <natural_source database="NCBI">
                    <organism ncbi="3039">Euglena gracilis</organism>
                </natural_source>
                <molecular_weight>
                    <theoretical units="MDa">0.011251521</theoretical>
                </molecular_weight>
                <number_of_copies>1</number_of_copies>
                <enantiomer>LEVO</enantiomer>
                <sequence>
                    <string>MITRLADDAAARVADRTQFIEEYKERRAEAPATPKAKAGPARGSTVKVTRPESYWYNQYGKVISVDESGAIRYPVVVRFE
KENYQGVTTNNFALDELEY</string>
                </sequence>
            </protein_or_peptide>
            <protein_or_peptide macromolecule_id="6">
                <name>PsaF</name>
                <natural_source database="NCBI">
                    <organism ncbi="3039">Euglena gracilis</organism>
                </natural_source>
                <molecular_weight>
                    <theoretical units="MDa">0.018556313999999997</theoretical>
                </molecular_weight>
                <number_of_copies>1</number_of_copies>
                <enantiomer>LEVO</enantiomer>
                <sequence>
                    <string>MPANATEAILGLTPCAESAKFQKVLTKEVKALEKREKLYEPGSAPFQALEATKAKTQARFAKYAESGLLCGADGLPHLIS
DPGLAVKYGHAGETLIPTIGFLYVAGYIGTAGRTYLQEISTRQKPTQSEIIIDVPLATSIAFKSWDWPNKAVKELASGTL
LEDAKNVPVSRR</string>
                </sequence>
            </protein_or_peptide>
            <protein_or_peptide macromolecule_id="7">
                <name>Photosystem I reaction center subunit IX</name>
                <natural_source database="NCBI">
                    <organism ncbi="3039">Euglena gracilis</organism>
                </natural_source>
                <molecular_weight>
                    <theoretical units="MDa">0.004298091999999999</theoretical>
                </molecular_weight>
                <number_of_copies>1</number_of_copies>
                <enantiomer>LEVO</enantiomer>
                <sequence>
                    <string>MKYFTTYLSTAPVVAVLWFTLTASLLIEINRFFPDIL</string>
                    <external_references type="UNIPROTKB">P30394</external_references>
                </sequence>
            </protein_or_peptide>
            <protein_or_peptide macromolecule_id="8">
                <name>Photosystem I reaction center subunit XII</name>
                <natural_source database="NCBI">
                    <organism ncbi="3039">Euglena gracilis</organism>
                </natural_source>
                <molecular_weight>
                    <theoretical units="MDa">0.003445077</theoretical>
                </molecular_weight>
                <number_of_copies>1</number_of_copies>
                <enantiomer>LEVO</enantiomer>
                <sequence>
                    <string>MEITTNQVYIALLASLIPAFFAFKLGKSLNQ</string>
                    <external_references type="UNIPROTKB">P31479</external_references>
                </sequence>
            </protein_or_peptide>
            <protein_or_peptide macromolecule_id="9">
                <name>LHC-1</name>
                <natural_source database="NCBI">
                    <organism ncbi="3039">Euglena gracilis</organism>
                </natural_source>
                <molecular_weight>
                    <theoretical units="MDa">0.022417451</theoretical>
                </molecular_weight>
                <number_of_copies>1</number_of_copies>
                <enantiomer>LEVO</enantiomer>
                <sequence>
                    <string>MLATSGEKRPTWFPGAEAPAWLTGEFPGDRGFDPCGLARDPVDFAKFRDSEVFHGRWAMLGLVGCLVPEVFGNLGIAQLP
AWYDAATVANTSNLDYLGNPNLIHASNVSFIALSTLLLMGPVEAWRWNGALASEAKSAERTTYPGGPFDPLKLGASPELK
LKEIKNGRLAMVGMFGFWAQSYVTGEGPLANLAAHLADPAHNNLLNTVA</string>
                </sequence>
            </protein_or_peptide>
            <protein_or_peptide macromolecule_id="10">
                <name>Light harvesting chlorophyll a /b binding protein of PSII</name>
                <natural_source database="NCBI">
                    <organism ncbi="3039">Euglena gracilis</organism>
                </natural_source>
                <molecular_weight>
                    <theoretical units="MDa">0.024103516</theoretical>
                </molecular_weight>
                <number_of_copies>1</number_of_copies>
                <enantiomer>LEVO</enantiomer>
                <sequence>
                    <string>MFAATGSKWYGPNRPKWLGPLSGGAVPEYLKGEYAGDYGFDTAGLAADPKLFQRYRDAELQNGRWAMLGVLGCLAPEVLS
NVFGVPYPEPVWFKTGATILNGGSIDYLANPKLIHASNLLLTLVLELVFFFAAETWREAGEGPLGKAQDKSYPGGVFDPL
GLSKDPAAFAEAKVKEVKNGRLAMLAMLGLFVQAGVTGQSPLENLSAHLANPGVNFWTSYAPTLA</string>
                    <external_references type="UNIPROTKB">Q39725</external_references>
                </sequence>
            </protein_or_peptide>
            <protein_or_peptide macromolecule_id="11">
                <name>LHC-3</name>
                <natural_source database="NCBI">
                    <organism ncbi="3039">Euglena gracilis</organism>
                </natural_source>
                <molecular_weight>
                    <theoretical units="MDa">0.024694388999999997</theoretical>
                </molecular_weight>
                <number_of_copies>1</number_of_copies>
                <enantiomer>LEVO</enantiomer>
                <sequence>
                    <string>MFAATGEKLSDWYGPNRKLFLGPLSDGAPEHLKGELPGDYGFDVLGLATQPTRLERYRQGEIINGRWAMLGIVGCIVPEL
LARNYGVPFPEPVWFKTGATVFSEEGLNYLGNPSLIHAKSIAAILVTEILFVGAAEAFRVSGGPLGPATDLVYPGKAFDP
LGLSKDETAFAELKVKEVKNGRLAMLGMLGLFMQGFATGKGPLQNLADHLADPTGANIITFHQRVLSDLG</string>
                </sequence>
            </protein_or_peptide>
            <protein_or_peptide macromolecule_id="12">
                <name>Chloroplast light-harvesting complex I protein</name>
                <natural_source database="NCBI">
                    <organism ncbi="3039">Euglena gracilis</organism>
                </natural_source>
                <molecular_weight>
                    <theoretical units="MDa">0.019968424</theoretical>
                </molecular_weight>
                <number_of_copies>1</number_of_copies>
                <enantiomer>LEVO</enantiomer>
                <sequence>
                    <string>MFTTTGEKRPVWFPGATPPAYLTGEFPADRGFDPLGLAKDPATYERMRSSEVFHSRLAMLGVVGSLIPELQGQGAWYTLS
EKQFGPGPNGEVIGFTELALIGMLFSYPLEYWRGNGGFGWFEEKGDRTYPGFDPLQLTSEYTKTAEIKNGRLAMSALLGF
AVQHATTGASPLENWAATTGGSVA</string>
                    <external_references type="UNIPROTKB">A8HPE4</external_references>
                </sequence>
            </protein_or_peptide>
            <protein_or_peptide macromolecule_id="13">
                <name>Chloroplast light-harvesting complex I protein</name>
                <natural_source database="NCBI">
                    <organism ncbi="3039">Euglena gracilis</organism>
                </natural_source>
                <molecular_weight>
                    <theoretical units="MDa">0.019103708999999996</theoretical>
                </molecular_weight>
                <number_of_copies>1</number_of_copies>
                <recombinant_expression database="NCBI">
                    <recombinant_organism ncbi="3039">Euglena gracilis</recombinant_organism>
                </recombinant_expression>
                <enantiomer>LEVO</enantiomer>
                <sequence>
                    <string>MFAAAGERATWFPGAKAPPHLTGEFPGDRGFDPVDFAANPESFERMRASEVFHGRMAMLGVAGCLIPELLGRGVWFQAGE
SVDAAQLGLYFMFLAAPSEYWRGNGGFGWDQKEKKAGNRIYPGFDPLKMTSDETKTKEIKNGRLAMIAFLGLVSQANTTG
VSPFQNLAAVFGASPVA</string>
                    <external_references type="UNIPROTKB">A8HPE4</external_references>
                </sequence>
            </protein_or_peptide>
            <protein_or_peptide macromolecule_id="14">
                <name>Chloroplast light-harvesting complex I protein</name>
                <natural_source database="NCBI">
                    <organism ncbi="3039">Euglena gracilis</organism>
                </natural_source>
                <molecular_weight>
                    <theoretical units="MDa">0.020021699</theoretical>
                </molecular_weight>
                <number_of_copies>1</number_of_copies>
                <enantiomer>LEVO</enantiomer>
                <sequence>
                    <string>MAASSGERLLWIPNATPPAHLTGEFPGDRGFDPLGLSKDPKVFARMRISEVFHGRLAMLGIVGCVGQEWLFNKGAWFDYS
DFDLPRLGLIALQVIAPLEYWRGNGGFSWNGNDGPDRSYPGFDPLGLTTEDTKLREIKNGRLAMSAMLGLEVQSHITGKS
PLTNLGDHLSSPFTANILTGGGSVA</string>
                    <external_references type="UNIPROTKB">A8HPC6</external_references>
                </sequence>
            </protein_or_peptide>
            <protein_or_peptide macromolecule_id="15">
                <name>Chloroplast light-harvesting complex I protein</name>
                <natural_source database="NCBI">
                    <organism ncbi="3039">Euglena gracilis</organism>
                </natural_source>
                <molecular_weight>
                    <theoretical units="MDa">0.021290224999999996</theoretical>
                </molecular_weight>
                <number_of_copies>2</number_of_copies>
                <enantiomer>LEVO</enantiomer>
                <sequence>
                    <string>MYSTSGEKYRGLWFPNITPPAYLTGEFPADRGFDPAGLAADPKVYERMRIAEVFNGRLAMLAIVGCVYPELLGNGVWFEV
WNKVDFYRFALISLQVVAPLEYWRGNGGFGWDGEEKYDRSYPGFDPCNLTTEYTKAAEIKNGRLAMIGMFGLEVQSHVTA
QGPVANLIEHLRHPLAANIGANLAHPWPPVA</string>
                    <external_references type="UNIPROTKB">A8HPD0</external_references>
                </sequence>
            </protein_or_peptide>
            <protein_or_peptide macromolecule_id="16">
                <name>LHC-10, 15</name>
                <natural_source database="NCBI">
                    <organism ncbi="3039">Euglena gracilis</organism>
                </natural_source>
                <molecular_weight>
                    <theoretical units="MDa">0.020346094</theoretical>
                </molecular_weight>
                <number_of_copies>2</number_of_copies>
                <enantiomer>LEVO</enantiomer>
                <sequence>
                    <string>MFSTAGQKTDRRPLWFPGGYAPSWLTGQHFGDRGFDPAGLAADPKVFERMRVSEVYHGRLAMLAIVGAVVPDIQGKGAWY
EAAQSAGIGVNEVAVFTAAYGIAEVARGLKANSDPTSRYPGFDPLNLTTDYTKEAEIKNGRLALTAMLGLEVQRHVTGVS
PLVNLVEHVKHPLGHNIAESVMHQWPVA</string>
                </sequence>
            </protein_or_peptide>
            <protein_or_peptide macromolecule_id="17">
                <name>LHC-11</name>
                <natural_source database="NCBI">
                    <organism ncbi="3039">Euglena gracilis</organism>
                </natural_source>
                <molecular_weight>
                    <theoretical units="MDa">0.020130817999999998</theoretical>
                </molecular_weight>
                <number_of_copies>1</number_of_copies>
                <enantiomer>LEVO</enantiomer>
                <sequence>
                    <string>MAATTGERLLWIPNATPPAHLTGEFPGDRGFDPLGLAKDPKVYQRMRISEVFHGRLAMLGIVGCVAPELFFSKGAWFDYS
DYDLNRLGLIALQVIAPLEYWRGNGGFSWDGNDGPDRSYPGFDPLGLTNEETKLQEIKNGRLAMTAMLGLEVQSHITGKS
PLTNLSEHLSHPLSANLLTGGGSLA</string>
                </sequence>
            </protein_or_peptide>
            <protein_or_peptide macromolecule_id="18">
                <name>Chloroplast light-harvesting complex I protein</name>
                <natural_source database="NCBI">
                    <organism ncbi="3039">Euglena gracilis</organism>
                </natural_source>
                <molecular_weight>
                    <theoretical units="MDa">0.018443971</theoretical>
                </molecular_weight>
                <number_of_copies>4</number_of_copies>
                <enantiomer>LEVO</enantiomer>
                <sequence>
                    <string>MFATTGHKDGVWFPGATPPAHLTGEYPADRGFDPLSLAADPTVYARMRVSEVFHARLSMLAIVGAIVPEVLGKGAWFEAG
NSVDGIKLGFIAMAIAAPTEYWRGNGGFNWDKGAADRSYPGFDPLKLTTDYTKAAEIKNGRLAMAGLLGLTFQYLATGES
PLANLAAHLANPVG</string>
                    <external_references type="UNIPROTKB">A8HPD7</external_references>
                </sequence>
            </protein_or_peptide>
            <ligand macromolecule_id="19">
                <name>CHLOROPHYLL A</name>
                <molecular_weight>
                    <theoretical units="MDa">0.000893489</theoretical>
                </molecular_weight>
                <number_of_copies>244</number_of_copies>
                <formula>CLA</formula>
            </ligand>
            <ligand macromolecule_id="20">
                <name>PHYLLOQUINONE</name>
                <molecular_weight>
                    <theoretical units="MDa">0.000450696</theoretical>
                </molecular_weight>
                <number_of_copies>2</number_of_copies>
                <formula>PQN</formula>
            </ligand>
            <ligand macromolecule_id="21">
                <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="22">
                <name>(3S,3'R,5R,6S,7cis)-7',8'-didehydro-5,6-dihydro-5,6-epoxy-beta,beta-carotene-3,3'-diol</name>
                <molecular_weight>
                    <theoretical units="MDa">0.000582855</theoretical>
                </molecular_weight>
                <number_of_copies>37</number_of_copies>
                <formula>DD6</formula>
            </ligand>
            <ligand macromolecule_id="23">
                <name>BETA-CAROTENE</name>
                <molecular_weight>
                    <theoretical units="MDa">0.000536873</theoretical>
                </molecular_weight>
                <number_of_copies>13</number_of_copies>
                <formula>BCR</formula>
            </ligand>
            <ligand macromolecule_id="24">
                <name>DODECYL-ALPHA-D-MALTOSIDE</name>
                <molecular_weight>
                    <theoretical units="MDa">0.000510615</theoretical>
                </molecular_weight>
                <number_of_copies>3</number_of_copies>
                <formula>LMU</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>16</number_of_copies>
                <formula>LMG</formula>
            </ligand>
            <ligand macromolecule_id="26">
                <name>IRON/SULFUR CLUSTER</name>
                <molecular_weight>
                    <theoretical units="MDa">0.00035163999999999996</theoretical>
                </molecular_weight>
                <number_of_copies>3</number_of_copies>
                <formula>SF4</formula>
            </ligand>
            <ligand macromolecule_id="27">
                <name>DIGALACTOSYL DIACYL GLYCEROL (DGDG)</name>
                <molecular_weight>
                    <theoretical units="MDa">0.0009492989999999999</theoretical>
                </molecular_weight>
                <number_of_copies>1</number_of_copies>
                <formula>DGD</formula>
            </ligand>
            <ligand macromolecule_id="28">
                <name>CHLOROPHYLL B</name>
                <molecular_weight>
                    <theoretical units="MDa">0.000907472</theoretical>
                </molecular_weight>
                <number_of_copies>27</number_of_copies>
                <formula>CHL</formula>
            </ligand>
            <ligand macromolecule_id="29">
                <name>(1R,3R)-6-{(3E,5E,7E,9E,11E,13E,15E,17E)-18-[(1S,4R,6R)-4-HYDROXY-2,2,6-TRIMETHYL-7-OXABICYCLO[4.1.0]HEPT-1-YL]-3,7,12,16-TETRAMETHYLOCTADECA-1,3,5,7,9,11,13,15,17-NONAENYLIDENE}-1,5,5-TRIMETHYLCYCLOHEXANE-1,3-DIOL</name>
                <molecular_weight>
                    <theoretical units="MDa">0.00060087</theoretical>
                </molecular_weight>
                <number_of_copies>1</number_of_copies>
                <formula>NEX</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</cryogen_name>
                    </vitrification>
                </single_particle_preparation>
            </specimen_preparation_list>
            <microscopy_list>
                <single_particle_microscopy microscopy_id="1">
                    <microscope>FEI TECNAI F30</microscope>
                    <illumination_mode>SPOT SCAN</illumination_mode>
                    <imaging_mode>BRIGHT FIELD</imaging_mode>
                    <electron_source>FIELD EMISSION GUN</electron_source>
                    <acceleration_voltage units="kV">300</acceleration_voltage>
                    <nominal_defocus_min units="µm">1.0</nominal_defocus_min>
                    <nominal_defocus_max units="µm">1.8</nominal_defocus_max>
                    <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">50.0</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="OTHER"/>
                <final_reconstruction>
                    <resolution units="Å" res_type="BY AUTHOR">2.72</resolution>
                    <resolution_method>FSC 0.143 CUT-OFF</resolution_method>
                    <software_list>
                        <software>
                            <name>cryoSPARC</name>
                        </software>
                    </software_list>
                    <number_images_used>78124</number_images_used>
                </final_reconstruction>
                <initial_angle_assignment>
                    <type>MAXIMUM LIKELIHOOD</type>
                </initial_angle_assignment>
                <final_angle_assignment>
                    <type>MAXIMUM LIKELIHOOD</type>
                </final_angle_assignment>
            </singleparticle_processing>
        </structure_determination>
    </structure_determination_list>
    <map format="CCP4" size_kbytes="500001">
        <file>emd_65121.map.gz</file>
        <symmetry>
            <space_group>1</space_group>
        </symmetry>
        <data_type>IMAGE STORED AS FLOATING POINT NUMBER (4 BYTES)</data_type>
        <dimensions>
            <col>500</col>
            <row>500</row>
            <sec>500</sec>
        </dimensions>
        <origin>
            <col>0</col>
            <row>0</row>
            <sec>0</sec>
        </origin>
        <spacing>
            <x>500</x>
            <y>500</y>
            <z>500</z>
        </spacing>
        <cell>
            <a units="Å">417.2</a>
            <b units="Å">417.2</b>
            <c units="Å">417.2</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>-0.46309224</minimum>
            <maximum>1.4432801</maximum>
            <average>0.0162277</average>
            <std>0.03804578</std>
        </statistics>
        <pixel_spacing>
            <x units="Å">0.8344</x>
            <y units="Å">0.8344</y>
            <z units="Å">0.8344</z>
        </pixel_spacing>
        <contour_list>
            <contour primary="true">
                <level>0.22</level>
                <source>AUTHOR</source>
            </contour>
        </contour_list>
        <label>::::EMDATABANK.org::::EMD-65121::::</label>
        <annotation_details>Cryo-EM structure of euglenophyte photosystem I</annotation_details>
    </map>
    <interpretation>
        <half_map_list>
            <half_map format="CCP4" size_kbytes="500001">
                <file>emd_65121_half_map_2.map.gz</file>
                <symmetry>
                    <space_group>1</space_group>
                </symmetry>
                <data_type>IMAGE STORED AS FLOATING POINT NUMBER (4 BYTES)</data_type>
                <dimensions>
                    <col>500</col>
                    <row>500</row>
                    <sec>500</sec>
                </dimensions>
                <origin>
                    <col>0</col>
                    <row>0</row>
                    <sec>0</sec>
                </origin>
                <spacing>
                    <x>500</x>
                    <y>500</y>
                    <z>500</z>
                </spacing>
                <cell>
                    <a units="Å">417.2</a>
                    <b units="Å">417.2</b>
                    <c units="Å">417.2</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>-0.7663836</minimum>
                    <maximum>1.0139854</maximum>
                    <average>0.0009812105</average>
                    <std>0.09414646</std>
                </statistics>
                <pixel_spacing>
                    <x units="Å">0.8344</x>
                    <y units="Å">0.8344</y>
                    <z units="Å">0.8344</z>
                </pixel_spacing>
                <contour_list>
                    <contour primary="true">
                        <source>AUTHOR</source>
                    </contour>
                </contour_list>
                <label>::::EMDATABANK.org::::EMD-65121::::</label>
                <annotation_details>Cryo-EM structure of euglenophyte photosystem I</annotation_details>
            </half_map>
            <half_map format="CCP4" size_kbytes="500001">
                <file>emd_65121_half_map_1.map.gz</file>
                <symmetry>
                    <space_group>1</space_group>
                </symmetry>
                <data_type>IMAGE STORED AS FLOATING POINT NUMBER (4 BYTES)</data_type>
                <dimensions>
                    <col>500</col>
                    <row>500</row>
                    <sec>500</sec>
                </dimensions>
                <origin>
                    <col>0</col>
                    <row>0</row>
                    <sec>0</sec>
                </origin>
                <spacing>
                    <x>500</x>
                    <y>500</y>
                    <z>500</z>
                </spacing>
                <cell>
                    <a units="Å">417.2</a>
                    <b units="Å">417.2</b>
                    <c units="Å">417.2</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>-0.75280744</minimum>
                    <maximum>1.1050968</maximum>
                    <average>0.00096461864</average>
                    <std>0.09391957</std>
                </statistics>
                <pixel_spacing>
                    <x units="Å">0.8344</x>
                    <y units="Å">0.8344</y>
                    <z units="Å">0.8344</z>
                </pixel_spacing>
                <contour_list>
                    <contour primary="true">
                        <source>AUTHOR</source>
                    </contour>
                </contour_list>
                <label>::::EMDATABANK.org::::EMD-65121::::</label>
                <annotation_details>Cryo-EM structure of euglenophyte photosystem I</annotation_details>
            </half_map>
        </half_map_list>
    </interpretation>
</emd>
