<?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-10461">
    <admin>
        <current_status>
            <date>2024-05-22</date>
            <code>REL</code>
            <processing_site>PDBe</processing_site>
        </current_status>
        <sites>
            <deposition>PDBe</deposition>
            <last_processing>PDBe</last_processing>
        </sites>
        <key_dates>
            <deposition>2019-11-06</deposition>
            <header_release>2020-02-19</header_release>
            <map_release>2020-02-19</map_release>
            <update>2024-05-22</update>
        </key_dates>
        <grant_support>
            <grant_reference>
                <funding_body>Swedish Research Council</funding_body>
                <code>NT_2015-04107</code>
                <country>Sweden</country>
            </grant_reference>
            <grant_reference>
                <funding_body>European Research Council (ERC)</funding_body>
                <code>ERC-2018-StG-805230</code>
                <country>Sweden</country>
            </grant_reference>
            <grant_reference>
                <funding_body>Knut and Alice Wallenberg Foundation</funding_body>
                <code>2018.0080</code>
                <country>Sweden</country>
            </grant_reference>
            <grant_reference>
                <funding_body>National Natural Science Foundation of China (NSFC)</funding_body>
                <code>21506113</code>
                <country>China</country>
            </grant_reference>
            <grant_reference>
                <funding_body>National Natural Science Foundation of China (NSFC)</funding_body>
                <code>31470229</code>
                <country>China</country>
            </grant_reference>
        </grant_support>
        <title>Photosystem I tetramer</title>
        <authors_list>
            <author>Chen M</author>
            <author>Perez-Boerema A</author>
        </authors_list>
        <keywords>photosynthesis, tetramer, anabaena, PSI</keywords>
    </admin>
    <crossreferences>
        <citation_list>
            <primary_citation>
                <journal_citation published="true">
                    <author order="1">Chen M</author>
                    <author order="2">Perez-Boerema A</author>
                    <author order="3">Zhang L</author>
                    <author order="4">Li Y</author>
                    <author order="5">Yang M</author>
                    <author order="6">Li S</author>
                    <author order="7">Amunts A</author>
                    <title>Distinct structural modulation of photosystem I and lipid environment stabilizes its tetrameric assembly.</title>
                    <journal_abbreviation>Nat.Plants</journal_abbreviation>
                    <country>UK</country>
                    <volume>6</volume>
                    <first_page>314</first_page>
                    <last_page>320</last_page>
                    <year>2020</year>
                    <external_references type="PUBMED">32170279</external_references>
                    <external_references type="DOI">doi:10.1038/s41477-020-0610-x</external_references>
                    <external_references type="ISSN">2055-0278</external_references>
                </journal_citation>
            </primary_citation>
        </citation_list>
        <pdb_list>
            <pdb_reference>
                <pdb_id>6tcl</pdb_id>
                <relationship>
                    <in_frame>FULLOVERLAP</in_frame>
                </relationship>
            </pdb_reference>
        </pdb_list>
    </crossreferences>
    <sample>
        <name>Photosystem I</name>
        <supramolecule_list>
            <complex_supramolecule supramolecule_id="1">
                <name>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="103690">Nostoc sp. PCC 7120</organism>
                </natural_source>
            </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="103690">Nostoc sp. PCC 7120</organism>
                </natural_source>
                <molecular_weight>
                    <theoretical units="MDa">0.081932125</theoretical>
                </molecular_weight>
                <number_of_copies>4</number_of_copies>
                <enantiomer>LEVO</enantiomer>
                <sequence>
                    <string>KARVIVDKDPVPTSFEKWAQPGHFDRTLARGPKTTTWIWNLHALAHDFDTHTSDLEDISRKIFAAHFGHLAVVTIWLSGM
IFHGAKFSNYEAWLSDPLNVRPSAQVVWPIVGQDILNGDVGGGFHGIQITSGLFQVWRGWGITNSFQLYCTAIGGLVLAG
LFLFAGWFHYHKRAPKLEWFQNVESMLNHHLQVLLGCGSLGWAGHLIHVSAPINKLMDAGVAVKDIPLPHEFILNKSLLI
DLFPGFAAGLTPFFTLNWGQYADFLTFKGGLNPVTGGLWMTDIAHHHLAIAVVFIIAGHQYRTNWGIGHSIKEILENHKG
PFTGEGHKGLYENLTTSWHAQLATNLAFLGSLTIIIAHHMYAMPPYPYLATDYATQLCIFTHHIWIGGFLIVGGAAHAAI
FMVRDYDPVVNQNNVLDRVIRHRDAIISHLNWVCIFLGFHSFGLYIHNDTMRALGRPQDMFSDTAIQLQPVFAQWVQNLH
TLAPGGTAPNALEPVSYAFGGGVLAVGGKVAMMPIALGTADFLIHHIHAFTIHVTVLILLKGVLFARSSRLIPDKANLGF
RFPCDGPGRGGTCQVSGWDHVFLGLFWMYNSLSIVIFHFSWKMQSDVWGTVDAAGNVSHITGGNFAQSAITINGWLRDFL
WAQASQVINSYGSALSAYGLMFLGAHFVWAFSLMFLFSGRGYWQELIESIVWAHNKLKVAPAIQPRALSITQGRAVGVAH
YLLGGIATTWAFFHAHILSV</string>
                    <external_references type="UNIPROTKB">P58576</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 1</name>
                <natural_source database="NCBI">
                    <organism ncbi="103690">Nostoc sp. PCC 7120</organism>
                </natural_source>
                <molecular_weight>
                    <theoretical units="MDa">0.083254734</theoretical>
                </molecular_weight>
                <number_of_copies>4</number_of_copies>
                <enantiomer>LEVO</enantiomer>
                <sequence>
                    <string>TKFPKFSQDLAQDPTTRRIWYAMAMGNDFESHDGMTEENLYQKIFATHFGHLAIIFLWASSLLFHVAWQGNFEQWIKDPL
HVRPIAHAIWDPHFGKPAIEAFTQAGANGPVNIAYSGVYHWWYTIGMRTNTELYTGSVFLLLFASLFLFAGWLHLQPKFR
PSLAWFKSAESRLNHHLAGLFGVSSLAWAGHLIHVAIPESRGQHVGWDNFLSTAPHPAGLQPFFTGNWGVYAQNPDTAGH
IFSTSQGAGTAILTFLGGFHPQTESLWLTDMAHHHLAIAVLFIVAGHMYRTNFGIGHSIKEMMNAKTFFGKPVEGPFNMP
HQGIYDTYNNSLHFQLGWHLACLGVVTSWVAQHMYSLPSYAFIAKDYTTQAALYTHHQYIAIFLMVGAFAHGAIFLVRDY
DPEQNKGNVLERVLQHKEAIISHLSWVSLFLGFHTLGLYVHNDVVVAFGTPEKQILIEPVFAQFIQAAHGKVLYGLDTLL
SNPDSVAYTAYPNYANVWLPGWLDAINSGTNSLFLTIGPGDFLVHHAIALGLHTTTLILVKGALDARGSKLMPDKKDFGY
AFPCDGPGRGGTCDISAWDSFYLSLFWALNTVGWVTFYWHWKHLGIWQGNVAQFNENSTYLMGWFRDYLWANSAQLINGY
NPYGVNNLSVWAWMFLFGHLVWATGFMFLISWRGYWQELIETLVWAHERTPIANLVRWKDKPVALSIVQARVVGLAHFTV
GYVLTYAAFLIASTAGKFG</string>
                    <external_references type="UNIPROTKB">P58565</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="103690">Nostoc sp. PCC 7120</organism>
                </natural_source>
                <molecular_weight>
                    <theoretical units="MDa">0.00869401</theoretical>
                </molecular_weight>
                <number_of_copies>4</number_of_copies>
                <enantiomer>LEVO</enantiomer>
                <sequence>
                    <string>SHTVKIYDTCIGCTQCVRACPTDVLEMVPWDGCKAAQVASSPRTEDCVGCKRCETACPTDFLSIRVYLGAETTRSMGLAY</string>
                    <external_references type="UNIPROTKB">P0A410</external_references>
                </sequence>
                <ec_number>1.97.1.12</ec_number>
            </protein_or_peptide>
            <protein_or_peptide macromolecule_id="4">
                <name>Photosystem I reaction center subunit II</name>
                <natural_source database="NCBI">
                    <organism ncbi="103690">Nostoc sp. PCC 7120</organism>
                </natural_source>
                <molecular_weight>
                    <theoretical units="MDa">0.014672669999999999</theoretical>
                </molecular_weight>
                <number_of_copies>4</number_of_copies>
                <enantiomer>LEVO</enantiomer>
                <sequence>
                    <string>LSGKTPLFAGSTGGLLTKAVEEEKYAITWTSPKAQVFELPTGGAATMHEGENLLYIARKEYGIALGGQLRKFKITNYKIY
RILPSGETTFIHPADGVFPEKVNAGREKVRFNARSIGENPNPSQVKFSGKATYD</string>
                    <external_references type="UNIPROTKB">P58573</external_references>
                </sequence>
            </protein_or_peptide>
            <protein_or_peptide macromolecule_id="5">
                <name>Photosystem I reaction center subunit IV</name>
                <natural_source database="NCBI">
                    <organism ncbi="103690">Nostoc sp. PCC 7120</organism>
                </natural_source>
                <molecular_weight>
                    <theoretical units="MDa">0.006809673</theoretical>
                </molecular_weight>
                <number_of_copies>2</number_of_copies>
                <enantiomer>LEVO</enantiomer>
                <sequence>
                    <string>VQRGSKVRILRPESYWFQDVGTVASVDQSGIKYPVIVRFDKVNYAGINTNNFAVDELIEV</string>
                    <external_references type="UNIPROTKB">P58575</external_references>
                </sequence>
            </protein_or_peptide>
            <protein_or_peptide macromolecule_id="6">
                <name>Photosystem I reaction center subunit III</name>
                <natural_source database="NCBI">
                    <organism ncbi="103690">Nostoc sp. PCC 7120</organism>
                </natural_source>
                <molecular_weight>
                    <theoretical units="MDa">0.015030004</theoretical>
                </molecular_weight>
                <number_of_copies>3</number_of_copies>
                <enantiomer>LEVO</enantiomer>
                <sequence>
                    <string>GADLTPCAENPAFQALAKNARNTTADPQSGQKRFERYSQALCGPEGYPHLIVDGRLDRAGDFLIPSILFLYIAGWIGWVG
RAYLQAIKKDSDTEQKEIQLDLGIALPIIATGFAWPAAAVKELLSGELTAKDSEITVSP</string>
                    <external_references type="UNIPROTKB">P58564</external_references>
                </sequence>
            </protein_or_peptide>
            <protein_or_peptide macromolecule_id="7">
                <name>Photosystem I reaction center subunit VIII</name>
                <natural_source database="NCBI">
                    <organism ncbi="103690">Nostoc sp. PCC 7120</organism>
                </natural_source>
                <molecular_weight>
                    <theoretical units="MDa">0.0035501689999999997</theoretical>
                </molecular_weight>
                <number_of_copies>3</number_of_copies>
                <enantiomer>LEVO</enantiomer>
                <sequence>
                    <string>ASFLSSIFVPVIGWVVPIATFSFLFLYIERE</string>
                    <external_references type="UNIPROTKB">P58560</external_references>
                </sequence>
            </protein_or_peptide>
            <protein_or_peptide macromolecule_id="8">
                <name>Photosystem I reaction center subunit IX</name>
                <natural_source database="NCBI">
                    <organism ncbi="103690">Nostoc sp. PCC 7120</organism>
                </natural_source>
                <molecular_weight>
                    <theoretical units="MDa">0.005368227</theoretical>
                </molecular_weight>
                <number_of_copies>4</number_of_copies>
                <enantiomer>LEVO</enantiomer>
                <sequence>
                    <string>ADKADQSSYLIKFISTAPVAATIWLTITAGILIEFNRFFPDLLFHPLP</string>
                    <external_references type="UNIPROTKB">P58568</external_references>
                </sequence>
            </protein_or_peptide>
            <protein_or_peptide macromolecule_id="9">
                <name>Photosystem I reaction center subunit PsaK 1</name>
                <natural_source database="NCBI">
                    <organism ncbi="103690">Nostoc sp. PCC 7120</organism>
                </natural_source>
                <molecular_weight>
                    <theoretical units="MDa">0.0075808609999999995</theoretical>
                </molecular_weight>
                <number_of_copies>3</number_of_copies>
                <enantiomer>LEVO</enantiomer>
                <sequence>
                    <string>AATTPLEWSPTVGIIMVIANVIAITFGRQTIKYPSAEPALPSAKFFGGFGAPALLATTAFGHILGVGLVLGLHN</string>
                    <external_references type="UNIPROTKB">P58583</external_references>
                </sequence>
            </protein_or_peptide>
            <protein_or_peptide macromolecule_id="10">
                <name>Photosystem I reaction center subunit XI</name>
                <natural_source database="NCBI">
                    <organism ncbi="103690">Nostoc sp. PCC 7120</organism>
                </natural_source>
                <molecular_weight>
                    <theoretical units="MDa">0.017545008</theoretical>
                </molecular_weight>
                <number_of_copies>1</number_of_copies>
                <enantiomer>LEVO</enantiomer>
                <sequence>
                    <string>AQAVDASKNLPSDPRNREVVFPAGRDPQWGNLETPVNASPLVKWFINNLPAYRPGLTPFRRGLEVGMAHGYFLFGPFAKL
GPLRDAANANLAGLLGAIGLVVLFTLALSLYANSNPPTALASVTVPNPPDAFQSKEGWNNFASAFLIGGIGGAVVAYFLT
SNLALI</string>
                    <external_references type="UNIPROTKB">P58577</external_references>
                </sequence>
            </protein_or_peptide>
            <protein_or_peptide macromolecule_id="11">
                <name>Photosystem I reaction center subunit XII</name>
                <natural_source database="NCBI">
                    <organism ncbi="103690">Nostoc sp. PCC 7120</organism>
                </natural_source>
                <molecular_weight>
                    <theoretical units="MDa">0.0034070079999999996</theoretical>
                </molecular_weight>
                <number_of_copies>4</number_of_copies>
                <enantiomer>LEVO</enantiomer>
                <sequence>
                    <string>SSISDTQVYIALVVALIPGLLAWRLATELYK</string>
                    <external_references type="UNIPROTKB">Q8YNB0</external_references>
                </sequence>
            </protein_or_peptide>
            <protein_or_peptide macromolecule_id="12">
                <name>Photosystem I 4.8 kDa protein</name>
                <natural_source database="NCBI">
                    <organism ncbi="103690">Nostoc sp. PCC 7120</organism>
                </natural_source>
                <molecular_weight>
                    <theoretical units="MDa">0.004342131999999999</theoretical>
                </molecular_weight>
                <number_of_copies>4</number_of_copies>
                <enantiomer>LEVO</enantiomer>
                <sequence>
                    <string>KISPVANTGAKPPYTFRTGWALLLLAVNFLVAAYYFHII</string>
                    <external_references type="UNIPROTKB">P58566</external_references>
                </sequence>
            </protein_or_peptide>
            <protein_or_peptide macromolecule_id="13">
                <name>Photosystem I reaction center subunit III</name>
                <natural_source database="NCBI">
                    <organism ncbi="103690">Nostoc sp. PCC 7120</organism>
                </natural_source>
                <molecular_weight>
                    <theoretical units="MDa">0.01484581</theoretical>
                </molecular_weight>
                <number_of_copies>1</number_of_copies>
                <enantiomer>LEVO</enantiomer>
                <sequence>
                    <string>GADLTPCAENPAFQALAKNARNTTADPQSGQKRFERYSQALCGPEGYPHLIVDGRLDRAGDFLIPSILFLYIAGWIGWVG
RAYLQAIKKDSDTEQKEIQLDLGIALPIIATGFAWPAAAVKELLSGELTAKDSEITV</string>
                    <external_references type="UNIPROTKB">P58564</external_references>
                </sequence>
            </protein_or_peptide>
            <protein_or_peptide macromolecule_id="14">
                <name>Photosystem I reaction center subunit VIII</name>
                <natural_source database="NCBI">
                    <organism ncbi="103690">Nostoc sp. PCC 7120</organism>
                </natural_source>
                <molecular_weight>
                    <theoretical units="MDa">0.0037643879999999996</theoretical>
                </molecular_weight>
                <number_of_copies>1</number_of_copies>
                <enantiomer>LEVO</enantiomer>
                <sequence>
                    <string>ASFLSSIFVPVIGWVVPIATFSFLFLYIEREDV</string>
                    <external_references type="UNIPROTKB">P58560</external_references>
                </sequence>
            </protein_or_peptide>
            <protein_or_peptide macromolecule_id="15">
                <name>Photosystem I reaction center subunit PsaK 1</name>
                <natural_source database="NCBI">
                    <organism ncbi="103690">Nostoc sp. PCC 7120</organism>
                </natural_source>
                <molecular_weight>
                    <theoretical units="MDa">0.007509783999999999</theoretical>
                </molecular_weight>
                <number_of_copies>1</number_of_copies>
                <enantiomer>LEVO</enantiomer>
                <sequence>
                    <string>ATTPLEWSPTVGIIMVIANVIAITFGRQTIKYPSAEPALPSAKFFGGFGAPALLATTAFGHILGVGLVLGLHN</string>
                    <external_references type="UNIPROTKB">P58583</external_references>
                </sequence>
            </protein_or_peptide>
            <protein_or_peptide macromolecule_id="16">
                <name>Photosystem I reaction center subunit XI</name>
                <natural_source database="NCBI">
                    <organism ncbi="103690">Nostoc sp. PCC 7120</organism>
                </natural_source>
                <molecular_weight>
                    <theoretical units="MDa">0.017673137</theoretical>
                </molecular_weight>
                <number_of_copies>1</number_of_copies>
                <enantiomer>LEVO</enantiomer>
                <sequence>
                    <string>AQAVDASKNLPSDPRNREVVFPAGRDPQWGNLETPVNASPLVKWFINNLPAYRPGLTPFRRGLEVGMAHGYFLFGPFAKL
GPLRDAANANLAGLLGAIGLVVLFTLALSLYANSNPPTALASVTVPNPPDAFQSKEGWNNFASAFLIGGIGGAVVAYFLT
SNLALIQ</string>
                    <external_references type="UNIPROTKB">P58577</external_references>
                </sequence>
            </protein_or_peptide>
            <protein_or_peptide macromolecule_id="17">
                <name>Photosystem I reaction center subunit IV</name>
                <natural_source database="NCBI">
                    <organism ncbi="103690">Nostoc sp. PCC 7120</organism>
                </natural_source>
                <molecular_weight>
                    <theoretical units="MDa">0.007106979</theoretical>
                </molecular_weight>
                <number_of_copies>2</number_of_copies>
                <enantiomer>LEVO</enantiomer>
                <sequence>
                    <string>VQRGSKVRILRPESYWFQDVGTVASVDQSGIKYPVIVRFDKVNYAGINTNNFAVDELIEVEAP</string>
                    <external_references type="UNIPROTKB">P58575</external_references>
                </sequence>
            </protein_or_peptide>
            <protein_or_peptide macromolecule_id="18">
                <name>Photosystem I reaction center subunit XI</name>
                <natural_source database="NCBI">
                    <organism ncbi="103690">Nostoc sp. PCC 7120</organism>
                </natural_source>
                <molecular_weight>
                    <theoretical units="MDa">0.016290655</theoretical>
                </molecular_weight>
                <number_of_copies>2</number_of_copies>
                <enantiomer>LEVO</enantiomer>
                <sequence>
                    <string>NREVVFPAGRDPQWGNLETPVNASPLVKWFINNLPAYRPGLTPFRRGLEVGMAHGYFLFGPFAKLGPLRDAANANLAGLL
GAIGLVVLFTLALSLYANSNPPTALASVTVPNPPDAFQSKEGWNNFASAFLIGGIGGAVVAYFLTSNLALIQGL</string>
                    <external_references type="UNIPROTKB">P58577</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>378</number_of_copies>
                <formula>CLA</formula>
            </ligand>
            <ligand macromolecule_id="20">
                <name>CHLOROPHYLL A ISOMER</name>
                <molecular_weight>
                    <theoretical units="MDa">0.000893489</theoretical>
                </molecular_weight>
                <number_of_copies>4</number_of_copies>
                <formula>CL0</formula>
            </ligand>
            <ligand macromolecule_id="21">
                <name>PHYLLOQUINONE</name>
                <molecular_weight>
                    <theoretical units="MDa">0.000450696</theoretical>
                </molecular_weight>
                <number_of_copies>8</number_of_copies>
                <formula>PQN</formula>
            </ligand>
            <ligand macromolecule_id="22">
                <name>1,2-DIPALMITOYL-PHOSPHATIDYL-GLYCEROLE</name>
                <molecular_weight>
                    <theoretical units="MDa">0.00072297</theoretical>
                </molecular_weight>
                <number_of_copies>24</number_of_copies>
                <formula>LHG</formula>
            </ligand>
            <ligand macromolecule_id="23">
                <name>BETA-CAROTENE</name>
                <molecular_weight>
                    <theoretical units="MDa">0.000536873</theoretical>
                </molecular_weight>
                <number_of_copies>94</number_of_copies>
                <formula>BCR</formula>
            </ligand>
            <ligand macromolecule_id="24">
                <name>Digitonin</name>
                <molecular_weight>
                    <theoretical units="MDa">0.0012293119999999998</theoretical>
                </molecular_weight>
                <number_of_copies>22</number_of_copies>
                <formula>AJP</formula>
            </ligand>
            <ligand macromolecule_id="25">
                <name>1,2-DISTEAROYL-MONOGALACTOSYL-DIGLYCERIDE</name>
                <molecular_weight>
                    <theoretical units="MDa">0.0007871579999999999</theoretical>
                </molecular_weight>
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