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        <title>Cryo-EM structure of Na+,K+-ATPase alpha2 from Artemia salina in cation-free E2P form</title>
        <authors_list>
            <author>Abe K</author>
            <author>Artigas P</author>
        </authors_list>
        <keywords>P-type ATPase, sodium pump, membrane protein, transporter, TRANSPORT PROTEIN</keywords>
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    <crossreferences>
        <citation_list>
            <primary_citation>
                <journal_citation published="true">
                    <author ORCID="0000-0002-6893-9765" order="1">Artigas P</author>
                    <author order="2">Meyer DJ</author>
                    <author ORCID="0000-0002-4027-8694" order="3">Young VC</author>
                    <author order="4">Spontarelli K</author>
                    <author order="5">Eastman J</author>
                    <author order="6">Strandquist E</author>
                    <author order="7">Rui H</author>
                    <author ORCID="0000-0002-5254-2712" order="8">Roux B</author>
                    <author ORCID="0000-0003-0407-4077" order="9">Birk MA</author>
                    <author order="10">Nakanishi H</author>
                    <author ORCID="0000-0003-2681-5921" order="11">Abe K</author>
                    <author order="12">Gatto C</author>
                    <title>A Na pump with reduced stoichiometry is up-regulated by brine shrimp in extreme salinities.</title>
                    <journal_abbreviation>Proc.Natl.Acad.Sci.USA</journal_abbreviation>
                    <country>US</country>
                    <volume>120</volume>
                    <first_page>e2313999120</first_page>
                    <last_page>e2313999120</last_page>
                    <year>2023</year>
                    <external_references type="PUBMED">38079564</external_references>
                    <external_references type="DOI">doi:10.1073/pnas.2313999120</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>
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                <details>Cryo-EM structure of Na+,K+-ATPase alpha2 from Artemia salina in cation-free E2P form</details>
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    </crossreferences>
    <sample>
        <name>Na+,K+-ATPase alpha2/beta2 from Artemia Salina</name>
        <supramolecule_list>
            <complex_supramolecule supramolecule_id="1">
                <name>Na+,K+-ATPase alpha2/beta2 from Artemia Salina</name>
                <parent>0</parent>
                <macromolecule_list>
                    <macromolecule>
                        <macromolecule_id>1</macromolecule_id>
                    </macromolecule>
                    <macromolecule>
                        <macromolecule_id>2</macromolecule_id>
                    </macromolecule>
                </macromolecule_list>
                <natural_source database="NCBI">
                    <organism ncbi="85549">Artemia salina</organism>
                </natural_source>
                <molecular_weight>
                    <theoretical units="MDa">0.13</theoretical>
                </molecular_weight>
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            <protein_or_peptide macromolecule_id="1">
                <name>Na+,K+-ATPase alpha2KK</name>
                <natural_source database="NCBI">
                    <organism ncbi="85549">Artemia salina</organism>
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                    <theoretical units="MDa">0.11114421099999999</theoretical>
                </molecular_weight>
                <number_of_copies>1</number_of_copies>
                <recombinant_expression database="NCBI">
                    <recombinant_organism ncbi="9606">Homo sapiens</recombinant_organism>
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                <enantiomer>LEVO</enantiomer>
                <sequence>
                    <string>MGKKQGKQLSDLKKELELDQHKIPLEELCRRLGTNTETGLTSSQAKSHLEKYGPNALTPPRTTPEWIKFCKQLFGGFQML
LWIGSILCFIAYTMEKYKNPDVLGDNLYLGLALLFVVIMTGCFAYYQDHNASKIMDSFKNLMPQFAFVIRDGKKIQLKAE
EVTVGDLVEVKFGDRIPADIRITSCQSMKVDNSSLTGESEPQSRSTECTNDNPLETKNLAFFFTNTLEGTGRGIVINVGD
DSVMGRIACLASSLDSGKTPIAREIEHFIHIITAMAVSLAAVFAVISFLYGYTWLEAAIFMIGIIVAKVPEGLLATVTVC
LTLTAKRMAKKNCLVRNLEAVETLGSTSTICSDKTGTLTQNRMTVAHMWFDQKIVTADTTENQSGNQLYRGSKGFPELIR
VASLCSRAEFKTEHAHLPVLKRDVNGDASEAAILKFAEMSTGSVMNIRSKQKKVSEIPFNSANKYQVSVHEREDKSGYFL
VMKGAPERILERCSTILIDGTEIPLDNHMKECFNNAYMELGGMGERVLGFCDFELPSDQYPRGYVFDADEPNFPISGLRF
VGLMSMIDPPRAAVPDAVSKCRSAGIKVIMVTGDHPITAKAIARQVGIISEGHETVDDIAARLNIPVSEVNPRSAQAAVI
HGNDLKDMNSDQLDDILRHYREIVFARTSPQQKLIIVEGVQRQGEFVAVTGDGVNDSPALKKADIGVAMGIAGSDVSKQA
ADMILLDDNFASIVTGVEEGRLIFDNIKKSIAYTLTSKIPELSPFLMYILFDLPLAIGTVTILCIDLGTDVVPAISMAYE
GPEADPRKPRDPVKEKLVNERLISMAYGQIGVMQAFGGFFTYFVIMGECGFLPNRLFGLRKWWESKAYNDLTDSYGQEWT
WDARKQLEYTCHTAFFISIVIVQWTDLIICKTRRLSLFQQGMKNGTLNFALVFETCVAAFLSYTPGMDKGLRMYPLKIWW
WFPPMPFSLLILVYDECRKFLMRRNPGGFLERETYY</string>
                </sequence>
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                    <organism ncbi="85549">Artemia salina</organism>
                </natural_source>
                <molecular_weight>
                    <theoretical units="MDa">0.038496421999999995</theoretical>
                </molecular_weight>
                <number_of_copies>1</number_of_copies>
                <recombinant_expression database="NCBI">
                    <recombinant_organism ncbi="9606">Homo sapiens</recombinant_organism>
                </recombinant_expression>
                <enantiomer>LEVO</enantiomer>
                <sequence>
                    <string>MGDYKDDDDKSSGENLYFQGMADKKPEEFFVGSGPKPTKWQSVKTFIWNSETSEFMGRTGVNWAKITIFYVIFYTLLAGF
FAGMLMIFYQTLDFKIPKWQNKDSLIGTNPGLGFRPMPPEAQVDSTLIQFKHGIKGDWQYWVHSLTEFLEPYETLTSSGQ
EFTNCDFDKPPQEGKACNFNVELLGDHCTKENNFGYELGKPCVLIKLNKIFGWRPEVYNSSAEVPEDMPADLKSYIKDIE
TGNKTHMNMVWLSCEGETANDKEKIGTITYTPFRGFPAYYYPYLNVPGYLTPVVALQFGSLQNGQAVNVECKAWANNISR
DRQRRLGSVHFEIRMD</string>
                </sequence>
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                <name>TETRAFLUOROALUMINATE ION</name>
                <molecular_weight>
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                <number_of_copies>1</number_of_copies>
                <formula>ALF</formula>
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