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                <funding_body>Ministry of Science and Technology (MoST, China)</funding_body>
                <country>China</country>
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        <title>Cryo-EM structure of a tri-heme cytochrome-associated RC-LH1 complex from a marinephotoheterotrophic bacterium, purified with EDTA-containing solutions</title>
        <authors_list>
            <author>Chen JH</author>
            <author>Zheng Q</author>
            <author>Zhang X</author>
            <author>Wang W</author>
            <author>Liu Y</author>
            <author>Gu J</author>
        </authors_list>
        <keywords>photosynthesis, reaction center, bacteria</keywords>
    </admin>
    <crossreferences>
        <citation_list>
            <primary_citation>
                <journal_citation published="false">
                    <author ORCID="0000-0003-4072-628X" order="1">Chen JH</author>
                    <author order="2">Zheng Q</author>
                    <author order="3">Zhang X</author>
                    <author order="4">Wang W</author>
                    <author order="5">Liu Y</author>
                    <author order="6">Gu J</author>
                    <title>Cryo-EM structure of a tri-heme cytochrome-associated RC-LH1 complex from a marine
photoheterotrophic bacterium, purified with EDTA-containing solutions</title>
                    <journal_abbreviation>To Be Published</journal_abbreviation>
                    <external_references type="CSD">0353</external_references>
                </journal_citation>
            </primary_citation>
        </citation_list>
        <pdb_list>
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                <accession_id>EMD-61695</accession_id>
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                <details>Cryo-EM structure of a tri-heme cytochrome-associated RC-LH1 complex from a marine
photoheterotrophic bacterium, purified with EDTA-containing solutions</details>
            </db_reference>
        </other_db_list>
    </crossreferences>
    <sample>
        <name>Tri-Heme Cytochrome-Associated RC-LH1 Complex</name>
        <supramolecule_list>
            <complex_supramolecule supramolecule_id="1">
                <name>Tri-Heme Cytochrome-Associated RC-LH1 Complex</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_list>
                <natural_source database="NCBI">
                    <organism ncbi="398580">Dinoroseobacter shibae DFL 12 = DSM 16493</organism>
                </natural_source>
                <molecular_weight>
                    <theoretical units="MDa">0.423</theoretical>
                </molecular_weight>
            </complex_supramolecule>
        </supramolecule_list>
        <macromolecule_list>
            <protein_or_peptide macromolecule_id="1">
                <name>Antenna pigment protein alpha chain</name>
                <natural_source database="NCBI">
                    <organism ncbi="398580">Dinoroseobacter shibae DFL 12 = DSM 16493</organism>
                </natural_source>
                <molecular_weight>
                    <theoretical units="MDa">0.006195408999999999</theoretical>
                </molecular_weight>
                <number_of_copies>17</number_of_copies>
                <enantiomer>LEVO</enantiomer>
                <sequence>
                    <string>MSKFYKIWLIFDPRRVFVAQGVFLFLLAAMIHLVLLSTEHFNWFELAAANAAM</string>
                    <external_references type="UNIPROTKB">A8LQ15</external_references>
                </sequence>
            </protein_or_peptide>
            <protein_or_peptide macromolecule_id="2">
                <name>Reaction center protein O chain</name>
                <natural_source database="NCBI">
                    <organism ncbi="398580">Dinoroseobacter shibae DFL 12 = DSM 16493</organism>
                </natural_source>
                <molecular_weight>
                    <theoretical units="MDa">0.025206586</theoretical>
                </molecular_weight>
                <number_of_copies>1</number_of_copies>
                <enantiomer>LEVO</enantiomer>
                <sequence>
                    <string>MATQRKDMTCTITCWGIGVLLGIMTTVGLMVVGWSFLQGAFMGVLAWLIVGGVLAVAVCGETGRPKDNAEQIRAEMAAAR
ERVRGATPGITPKPAPSVPADVRSKVQPSAALAGEAELAGRKGSWSYDSGAGHASGAGHDAGTDAAKPATLTAARDGKAD
DLKKIKGVGPKLEEMLHSMGFYHFDQVASWSEQELAWVDENLEGFKGRASRDEWVAQAKLLAQGGETEFSKRVDGGDVY</string>
                    <external_references type="UNIPROTKB">A8LIU2</external_references>
                </sequence>
            </protein_or_peptide>
            <protein_or_peptide macromolecule_id="3">
                <name>Antenna pigment protein beta chain</name>
                <natural_source database="NCBI">
                    <organism ncbi="398580">Dinoroseobacter shibae DFL 12 = DSM 16493</organism>
                </natural_source>
                <molecular_weight>
                    <theoretical units="MDa">0.005578334</theoretical>
                </molecular_weight>
                <number_of_copies>17</number_of_copies>
                <enantiomer>LEVO</enantiomer>
                <sequence>
                    <string>MADKSDLSFTGLTDEQAQELHSVYMSGLWLFSAVAVVAHLATFIWRPWF</string>
                    <external_references type="UNIPROTKB">A8LQ14</external_references>
                </sequence>
            </protein_or_peptide>
            <protein_or_peptide macromolecule_id="4">
                <name>Reaction center protein M chain</name>
                <natural_source database="NCBI">
                    <organism ncbi="398580">Dinoroseobacter shibae DFL 12 = DSM 16493</organism>
                </natural_source>
                <molecular_weight>
                    <theoretical units="MDa">0.037583723</theoretical>
                </molecular_weight>
                <number_of_copies>1</number_of_copies>
                <enantiomer>LEVO</enantiomer>
                <sequence>
                    <string>MPEYQNIFTQVQVQGPAELGVDNENNLTEERTTGTGFSQLIGWIGNAQLGPIYLGWFGIISLVTGTLWFNIVGFNMLSQV
GYSIPEFIRQLFWLALEPPSPEYGLRMPPLDDGGWFIIASFFLLVSVISWWLRSYQLAEMHKMGKHVAWAFAAAIWLFLV
LGLFRPILMGSWSEAVPYGIFPHLDWTTAFSIRYGNLYYNPFHALSIVFLYGSVLLFAMHGATILAVTRFGGDRELEQIY
DRGTASERAGLFWRWTMGFNATMEGIHRWAWWFAVLTPITGGIGILLTGTVVDNWFLWAVEHNFAPDYTQDYGYEAYTTY
DGFLGREEGN</string>
                    <external_references type="UNIPROTKB">A8LQ17</external_references>
                </sequence>
            </protein_or_peptide>
            <protein_or_peptide macromolecule_id="5">
                <name>Reaction center protein L chain</name>
                <natural_source database="NCBI">
                    <organism ncbi="398580">Dinoroseobacter shibae DFL 12 = DSM 16493</organism>
                </natural_source>
                <molecular_weight>
                    <theoretical units="MDa">0.031197178</theoretical>
                </molecular_weight>
                <number_of_copies>1</number_of_copies>
                <enantiomer>LEVO</enantiomer>
                <sequence>
                    <string>MALLSFERKYRVRGGTLIGGDLFDFWVGPFYVGFFGVTTAFFALLGTILIFWGASQQGTFNPWLINIAPPDLSYGLGMAP
LMEGGLWQIITICAIGAFVSWALREVEICRKLGMGYHVPFAFSVAIFAYVTLVVFRPLLMGAWGHGFPYGIWSHLDWVSN
TGYAYLHFHYNPAHMIAVTFFFTTTLALALHGALVLSAANPPKGEEVKGPDNEDTFFRDFIGYSIGTLGIHRVGLLLALN
AGFWSAVCIIISGPVWTKGWPEWWNWWLEMPIWPSQVDC</string>
                    <external_references type="UNIPROTKB">A8LQ16</external_references>
                </sequence>
            </protein_or_peptide>
            <protein_or_peptide macromolecule_id="6">
                <name>Reaction center protein H chain</name>
                <natural_source database="NCBI">
                    <organism ncbi="398580">Dinoroseobacter shibae DFL 12 = DSM 16493</organism>
                </natural_source>
                <molecular_weight>
                    <theoretical units="MDa">0.028739449</theoretical>
                </molecular_weight>
                <number_of_copies>1</number_of_copies>
                <enantiomer>LEVO</enantiomer>
                <sequence>
                    <string>MEETFFGNFDLASLSLWLFYGFFALLIYYLQTENMREGYPLEDDDGNTAANQGPFPLPKEKTFKLQHGRGELTLPGEDVQ
RRDNLALRKTAHGNGFPMEPTGDPMLDGVGPASWSKRRDVPELDAHGHPKIVPMSAAEGFGVSAGTDPRGLPVMAGDGEI
VGLVSDMWIDEAEQLVRYLEIELDPEWGDGKRLVQREMVRIKSDRVKVRSIYGKHFKNVPKTKSPNQVTLLEEDKIMAYY
AGGTLYADESRLEPQL</string>
                    <external_references type="UNIPROTKB">A8LQ33</external_references>
                </sequence>
            </protein_or_peptide>
            <protein_or_peptide macromolecule_id="7">
                <name>Photosynthetic reaction center cytochrome c subunit</name>
                <natural_source database="NCBI">
                    <organism ncbi="398580">Dinoroseobacter shibae DFL 12 = DSM 16493</organism>
                </natural_source>
                <molecular_weight>
                    <theoretical units="MDa">0.039977367</theoretical>
                </molecular_weight>
                <number_of_copies>1</number_of_copies>
                <enantiomer>LEVO</enantiomer>
                <sequence>
                    <string>MLPKWFDEWNSKNPTDIYKPAIVVGVAGGAVFAAALLVSWGQPLATDSMQTGPRGTGMSVPEFVSDLDTPDPTIEVFLAS
TSDPVIPEEGAQTAGEAYENVDPVLADLTVENYDRLLAAMRSWTGIPDLLEDPDHYQSKVAINMIQMNQTINEEWAGHVY
ANAEVGVTCFTCHRGQAVPSEVWYRIDPVTENTSGWASVQNRATSLSQFTSLPSDALYQYLLNYEQIAVHDLESRVETLP
GDPTWQNTERTYSLMNYFSNSLGRNCVFCHNSRAFYDPAQHTPQWATAMLGISMVQELNNEWIVPIGEAHLPPERLGPVY
NDVPKLACKTCHKGYQQPLQGLNVVADWPELATTEGPFYD</string>
                    <external_references type="UNIPROTKB">A8LQ18</external_references>
                </sequence>
            </protein_or_peptide>
            <ligand macromolecule_id="8">
                <name>BACTERIOCHLOROPHYLL A</name>
                <molecular_weight>
                    <theoretical units="MDa">0.0009115039999999999</theoretical>
                </molecular_weight>
                <number_of_copies>38</number_of_copies>
                <formula>BCL</formula>
            </ligand>
            <ligand macromolecule_id="9">
                <name>SPEROIDENONE</name>
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                </molecular_weight>
                <number_of_copies>35</number_of_copies>
                <formula>SPN</formula>
            </ligand>
            <ligand macromolecule_id="10">
                <name>(21R,24R,27S)-24,27,28-trihydroxy-18,24-dioxo-19,23,25-trioxa-24lambda~5~-phosphaoctacosan-21-yl (9Z)-octadec-9-enoate</name>
                <molecular_weight>
                    <theoretical units="MDa">0.0007770599999999999</theoretical>
                </molecular_weight>
                <number_of_copies>12</number_of_copies>
                <formula>MW9</formula>
            </ligand>
            <ligand macromolecule_id="11">
                <name>DODECYL-BETA-D-MALTOSIDE</name>
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                    <theoretical units="MDa">0.000510615</theoretical>
                </molecular_weight>
                <number_of_copies>5</number_of_copies>
                <formula>LMT</formula>
            </ligand>
            <ligand macromolecule_id="12">
                <name>FE (III) ION</name>
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                    <theoretical units="MDa">5.5845e-05</theoretical>
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                <number_of_copies>1</number_of_copies>
                <formula>FE</formula>
            </ligand>
            <ligand macromolecule_id="13">
                <name>BACTERIOPHEOPHYTIN A</name>
                <molecular_weight>
                    <theoretical units="MDa">0.000889215</theoretical>
                </molecular_weight>
                <number_of_copies>2</number_of_copies>
                <formula>BPH</formula>
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            <ligand macromolecule_id="14">
                <name>UBIQUINONE-10</name>
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                    <theoretical units="MDa">0.0008633429999999999</theoretical>
                </molecular_weight>
                <number_of_copies>2</number_of_copies>
                <formula>U10</formula>
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            <ligand macromolecule_id="15">
                <name>CARDIOLIPIN</name>
                <molecular_weight>
                    <theoretical units="MDa">0.0014640429999999997</theoretical>
                </molecular_weight>
                <number_of_copies>2</number_of_copies>
                <formula>CDL</formula>
            </ligand>
            <ligand macromolecule_id="16">
                <name>HEME C</name>
                <molecular_weight>
                    <theoretical units="MDa">0.0006205189999999999</theoretical>
                </molecular_weight>
                <number_of_copies>3</number_of_copies>
                <formula>HEC</formula>
            </ligand>
        </macromolecule_list>
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                        <mesh>300</mesh>
                        <pretreatment>
                            <type>GLOW DISCHARGE</type>
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                    <vitrification>
                        <cryogen_name>ETHANE</cryogen_name>
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                        <chamber_temperature units="K">279</chamber_temperature>
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        <annotation_details>Cryo-EM structure of a tri-heme cytochrome-associated RC-LH1 complex from a marine
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                    <y units="Å">1.2</y>
                    <z units="Å">1.2</z>
                </pixel_spacing>
                <contour_list>
                    <contour primary="true">
                        <source>AUTHOR</source>
                    </contour>
                </contour_list>
                <label>::::EMDATABANK.org::::EMD-61695::::</label>
                <annotation_details>half map-A</annotation_details>
            </half_map>
            <half_map format="CCP4" size_kbytes="67109">
                <file>emd_61695_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>256</col>
                    <row>256</row>
                    <sec>256</sec>
                </dimensions>
                <origin>
                    <col>0</col>
                    <row>0</row>
                    <sec>0</sec>
                </origin>
                <spacing>
                    <x>256</x>
                    <y>256</y>
                    <z>256</z>
                </spacing>
                <cell>
                    <a units="Å">307.2</a>
                    <b units="Å">307.2</b>
                    <c units="Å">307.2</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>-0.7624944</minimum>
                    <maximum>1.4162751</maximum>
                    <average>0.0013658704</average>
                    <std>0.076752774</std>
                </statistics>
                <pixel_spacing>
                    <x units="Å">1.2</x>
                    <y units="Å">1.2</y>
                    <z units="Å">1.2</z>
                </pixel_spacing>
                <contour_list>
                    <contour primary="true">
                        <source>AUTHOR</source>
                    </contour>
                </contour_list>
                <label>::::EMDATABANK.org::::EMD-61695::::</label>
                <annotation_details>half map-B</annotation_details>
            </half_map>
        </half_map_list>
    </interpretation>
</emd>
