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    <admin>
        <current_status>
            <date>2024-07-17</date>
            <code>REL</code>
            <processing_site>PDBe</processing_site>
        </current_status>
        <sites>
            <deposition>PDBe</deposition>
            <last_processing>PDBe</last_processing>
        </sites>
        <key_dates>
            <deposition>2021-12-18</deposition>
            <header_release>2022-10-26</header_release>
            <map_release>2022-10-26</map_release>
            <update>2024-07-17</update>
        </key_dates>
        <grant_support>
            <grant_reference>
                <funding_body>Max Planck Society</funding_body>
                <country>Germany</country>
            </grant_reference>
        </grant_support>
        <title>Cryo-EM structure of ABC transporter STE6-2p from Pichia pastoris in apo conformation at 3.1 A resolution</title>
        <authors_list>
            <author>Schleker ESM</author>
            <author>Reinhart C</author>
        </authors_list>
        <keywords>ABC transporter, ABCB, MDR, membrane protein, Pichia pastoris, TRANSPORT PROTEIN</keywords>
    </admin>
    <crossreferences>
        <citation_list>
            <primary_citation>
                <journal_citation published="true">
                    <author ORCID="0000-0003-2219-3096" order="1">Schleker ESM</author>
                    <author ORCID="0000-0003-0430-4477" order="2">Buschmann S</author>
                    <author ORCID="0000-0002-2422-2527" order="3">Xie H</author>
                    <author ORCID="0000-0002-6049-6664" order="4">Welsch S</author>
                    <author ORCID="0000-0003-4351-7846" order="5">Michel H</author>
                    <author ORCID="0000-0002-3580-1807" order="6">Reinhart C</author>
                    <title>Structural and functional investigation of ABC transporter STE6-2p from Pichia pastoris reveals unexpected interaction with sterol molecules.</title>
                    <journal_abbreviation>Proc.Natl.Acad.Sci.USA</journal_abbreviation>
                    <country>US</country>
                    <volume>119</volume>
                    <first_page>e2202822119</first_page>
                    <last_page>e2202822119</last_page>
                    <year>2022</year>
                    <external_references type="PUBMED">36256814</external_references>
                    <external_references type="DOI">doi:10.1073/pnas.2202822119</external_references>
                    <external_references type="ISSN">1091-6490</external_references>
                    <external_references type="CSD">0040</external_references>
                    <external_references type="ASTM">PNASA6</external_references>
                </journal_citation>
            </primary_citation>
        </citation_list>
        <pdb_list>
            <pdb_reference>
                <pdb_id>7qkr</pdb_id>
                <relationship>
                    <in_frame>FULLOVERLAP</in_frame>
                </relationship>
            </pdb_reference>
        </pdb_list>
    </crossreferences>
    <sample>
        <name>STE6-2p</name>
        <supramolecule_list>
            <organelle_or_cellular_component_supramolecule supramolecule_id="1">
                <name>STE6-2p</name>
                <parent>0</parent>
                <macromolecule_list>
                    <macromolecule>
                        <macromolecule_id>1</macromolecule_id>
                    </macromolecule>
                </macromolecule_list>
                <natural_source database="NCBI">
                    <organism ncbi="981350">Komagataella phaffii CBS 7435</organism>
                    <strain>X-33</strain>
                </natural_source>
            </organelle_or_cellular_component_supramolecule>
        </supramolecule_list>
        <macromolecule_list>
            <protein_or_peptide macromolecule_id="1">
                <name>Plasma membrane ATP-binding cassette transporter required for the export of a-factor</name>
                <natural_source database="NCBI">
                    <organism ncbi="981350">Komagataella phaffii CBS 7435</organism>
                    <strain>ATCC 76273 / CBS 7435 / CECT 11047 / NRRL Y-11430 / Wegner 21-1</strain>
                </natural_source>
                <molecular_weight>
                    <theoretical units="MDa">0.144974266</theoretical>
                </molecular_weight>
                <number_of_copies>1</number_of_copies>
                <recombinant_expression database="NCBI">
                    <recombinant_organism ncbi="981350">Komagataella phaffii CBS 7435</recombinant_organism>
                </recombinant_expression>
                <enantiomer>LEVO</enantiomer>
                <sequence>
                    <string>MVKNYDYKDDDDKGLSFFKRKKYSDKESLSSPETLEEKPNDELDPRVTEILERQIKADSYGASLVDLYGMLQGWEYCLAV
AAYICSIVAGAALPLMTLIFGDMAQQFTDYSSGLHSNNQFVDKIDENALYFVYLGVGLLVFNYFATLLHIVVSEIIASRV
REKFIWSILHQNMAYLDSLGSGEITSSITSDSQLIQQGVSEKIGLAAQSIATVVSALTVAFVIYWKLALVLLSVMVALIL
SSTPTILMLMQAYTDSIASYGKASSVAEEAFAAIKTATAFGAHEFQLQKYDEFILESKGYGKKKAISLALMMGSIWFIVF
ATYALAFWQGSRFMVSDNSGIGKILTACMAMLFGSLIIGNATISLKFVMVGLSAASKLFAMINREPYFDSASDAGEKINE
FDGSISFRNVTTRYPSRPDITVLSDFTLDIKPGQTIALVGESGSGKSTVIALLERFYEYLDGEILLDGVDLKSLNIKWVR
QQMALVQQEPVLFAASIYENVCYGLVGSKYENVTEKVKRELVEKACKDANAWEFISQMSNGLDTEVGERGLSLSGGQKQR
IAIARAVISEPKILLLDEATSALDTRSEGIVQDALNRLSETRTTIVIAHRLSTIQNADLIVVLSKGKIVETGSHKELLKK
KGKYHQLVQIQNIRTKINNSGPQAPISLSNSSDLDSVSHKIDRVESLIYERAAADTIDESPVKKQSIPQLFLMLLQINKG
DYYLLIPCLFLALIAGMGFPSFALLAGRVIEAFQVTGPQDFPHMRSLINKYTGFLFMIGCVLLIVYLFLTSFMVLSSESL
VYKMRYRCFKQYLRQDMSFFDRPENKVGTLVTTLAKDPQDIEGLSGGTAAQLAVSVVIVVAGIILAVAVNWRLGLVCTAT
VPILLGCGFFSVYLLMVFEERILKDYQESASYACEQVSALKTVVSLTREVGIYEKYSNSIKDQVKRSARSVSRTTLLYAL
IQGMNPWVFALGFWYGSRLLLEGRATNREFFTVLMAILFGCQSAGEFFSYAPGMGKAKQAAINIRQVLDTRPKSIDIESE
DGLKIDRLNLKGGIELRDVTFRYPTRPEVPVLTDLNLIIKPGQYVGLVGASGCGKSTTVGLIERFYDPESGQVLLDGVDI
RDLHLRTYREVLALVQQEPVLFSGSIRDNIMVGSISDGADDGSEEDMIKACKDANIYDFISSLPEGFDTLCGNKGTMLSG
GQKQRVAIARALIRNPRVLLLDEATSALDSESEMVVQDAIDKASKGRTTITIAHRLSTVQNCDVIYVFDAGRIVESGKHD
ELLQLRGKYYDLVQLQGLNAHHHHHHHHHH</string>
                    <external_references type="UNIPROTKB">F2QQK6</external_references>
                </sequence>
            </protein_or_peptide>
            <ligand macromolecule_id="2">
                <name>Dexverapamil</name>
                <molecular_weight>
                    <theoretical units="MDa">0.00045460199999999997</theoretical>
                </molecular_weight>
                <number_of_copies>1</number_of_copies>
                <formula>I6H</formula>
            </ligand>
            <ligand macromolecule_id="3">
                <name>PHOSPHOAMINOPHOSPHONIC ACID-ADENYLATE ESTER</name>
                <molecular_weight>
                    <theoretical units="MDa">0.000506196</theoretical>
                </molecular_weight>
                <number_of_copies>1</number_of_copies>
                <formula>ANP</formula>
            </ligand>
            <ligand macromolecule_id="4">
                <name>MAGNESIUM ION</name>
                <molecular_weight>
                    <theoretical units="MDa">2.4305e-05</theoretical>
                </molecular_weight>
                <number_of_copies>1</number_of_copies>
                <formula>MG</formula>
            </ligand>
            <ligand macromolecule_id="5">
                <name>(3beta,14beta,17beta,25R)-3-[4-methoxy-3-(methoxymethyl)butoxy]spirost-5-en</name>
                <molecular_weight>
                    <theoretical units="MDa">0.0005448049999999999</theoretical>
                </molecular_weight>
                <number_of_copies>1</number_of_copies>
                <formula>9Z9</formula>
            </ligand>
        </macromolecule_list>
    </sample>
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            <aggregation_state>particle</aggregation_state>
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                    <concentration units="mg/mL">2.5</concentration>
                    <buffer>
                        <ph>8.0</ph>
                    </buffer>
                    <vitrification>
                        <cryogen_name>ETHANE</cryogen_name>
                    </vitrification>
                </single_particle_preparation>
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                    <microscope>FEI TITAN KRIOS</microscope>
                    <illumination_mode>OTHER</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">0.0011</nominal_defocus_min>
                    <nominal_defocus_max units="µm">0.0021000000000000003</nominal_defocus_max>
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                        <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">40.0</average_electron_dose_per_image>
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