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    <admin>
        <current_status>
            <date>2018-09-12</date>
            <code>REL</code>
            <processing_site>RCSB</processing_site>
        </current_status>
        <sites>
            <deposition>RCSB</deposition>
            <last_processing>RCSB</last_processing>
        </sites>
        <key_dates>
            <deposition>2016-12-10</deposition>
            <header_release>2016-12-21</header_release>
            <map_release>2016-12-21</map_release>
            <update>2018-09-12</update>
        </key_dates>
        <title>Structure of human cystic fibrosis transmembrane conductance regulator (CFTR)</title>
        <authors_list>
            <author>Liu F</author>
            <author>Zhang Z</author>
            <author>Chen J</author>
        </authors_list>
    </admin>
    <crossreferences>
        <citation_list>
            <primary_citation>
                <journal_citation published="true">
                    <author order="1">Zhang Z</author>
                    <author order="2">Chen J</author>
                    <title>Atomic Structure of the Cystic Fibrosis Transmembrane Conductance Regulator.</title>
                    <journal_abbreviation>Cell</journal_abbreviation>
                    <volume>167</volume>
                    <first_page>1586</first_page>
                    <last_page>1597.e9</last_page>
                    <year>2016</year>
                    <external_references type="PUBMED">27912062</external_references>
                    <external_references type="DOI">doi:10.1016/j.cell.2016.11.014</external_references>
                    <external_references type="ISSN">1097-4172</external_references>
                </journal_citation>
            </primary_citation>
        </citation_list>
        <emdb_list>
            <emdb_reference>
                <emdb_id>EMD-8461</emdb_id>
                <relationship>
                    <other>other EM volume</other>
                </relationship>
                <details>Structure of zebrafish cystic fibrosis transmembrane conductance regulator</details>
            </emdb_reference>
            <emdb_reference>
                <emdb_id>EMD-8516</emdb_id>
                <relationship>
                    <other>associated EM volume</other>
                </relationship>
                <details>Structure of human cystic fibrosis transmembrane conductance regulator (CFTR)</details>
            </emdb_reference>
        </emdb_list>
        <pdb_list>
            <pdb_reference>
                <pdb_id>5uak</pdb_id>
                <relationship>
                    <in_frame>FULLOVERLAP</in_frame>
                </relationship>
            </pdb_reference>
        </pdb_list>
    </crossreferences>
    <sample>
        <name>Cystic fibrosis transmembrane conductance regulator or ABCC7</name>
        <supramolecule_list>
            <complex_supramolecule supramolecule_id="1">
                <name>Cystic fibrosis transmembrane conductance regulator or ABCC7</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="9606">Homo sapiens</organism>
                </natural_source>
                <recombinant_expression database="NCBI">
                    <recombinant_organism ncbi="9606">Homo sapiens</recombinant_organism>
                    <recombinant_cell>HEK 293S GnTI-</recombinant_cell>
                    <recombinant_plasmid>pEG Bacmam</recombinant_plasmid>
                </recombinant_expression>
                <molecular_weight>
                    <experimental units="kDa/nm">168</experimental>
                </molecular_weight>
            </complex_supramolecule>
        </supramolecule_list>
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            <protein_or_peptide macromolecule_id="1">
                <name>Cystic fibrosis transmembrane conductance regulator</name>
                <natural_source database="NCBI">
                    <organism ncbi="9606">Homo sapiens</organism>
                </natural_source>
                <molecular_weight>
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                </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>MQRSPLEKASVVSKLFFSWTRPILRKGYRQRLELSDIYQIPSVDSADNLSEKLEREWDRELASKKNPKLINALRRCFFWR
FMFYGIFLYLGEVTKAVQPLLLGRIIASYDPDNKEERSIAIYLGIGLCLLFIVRTLLLHPAIFGLHHIGMQMRIAMFSLI
YKKTLKLSSRVLDKISIGQLVSLLSNNLNKFDEGLALAHFVWIAPLQVALLMGLIWELLQASAFCGLGFLIVLALFQAGL
GRMMMKYRDQRAGKISERLVITSEMIENIQSVKAYCWEEAMEKMIENLRQTELKLTRKAAYVRYFNSSAFFFSGFFVVFL
SVLPYALIKGIILRKIFTTISFCIVLRMAVTRQFPWAVQTWYDSLGAINKIQDFLQKQEYKTLEYNLTTTEVVMENVTAF
WEEGFGELFEKAKQNNNNRKTSNGDDSLFFSNFSLLGTPVLKDINFKIERGQLLAVAGSTGAGKTSLLMVIMGELEPSEG
KIKHSGRISFCSQFSWIMPGTIKENIIFGVSYDEYRYRSVIKACQLEEDISKFAEKDNIVLGEGGITLSGGQRARISLAR
AVYKDADLYLLDSPFGYLDVLTEKEIFESCVCKLMANKTRILVTSKMEHLKKADKILILHEGSSYFYGTFSELQNLQPDF
SSKLMGCDSFDQFSAERRNSILTETLHRFSLEGDAPVSWTETKKQSFKQTGEFGEKRKNSILNPINSIRKFSIVQKTPLQ
MNGIEEDSDEPLERRLSLVPDSEQGEAILPRISVISTGPTLQARRRQSVLNLMTHSVNQGQNIHRKTTASTRKVSLAPQA
NLTELDIYSRRLSQETGLEISEEINEEDLKECFFDDMESIPAVTTWNTYLRYITVHKSLIFVLIWCLVIFLAEVAASLVV
LWLLGNTPLQDKGNSTHSRNNSYAVIITSTSSYYVFYIYVGVADTLLAMGFFRGLPLVHTLITVSKILHHKMLHSVLQAP
MSTLNTLKAGGILNRFSKDIAILDDLLPLTIFDFIQLLLIVIGAIAVVAVLQPYIFVATVPVIVAFIMLRAYFLQTSQQL
KQLESEGRSPIFTHLVTSLKGLWTLRAFGRQPYFETLFHKALNLHTANWFLYLSTLRWFQMRIEMIFVIFFIAVTFISIL
TTGEGEGRVGIILTLAMNIMSTLQWAVNSSIDVDSLMRSVSRVFKFIDMPTEGKPTKSTKPYKNGQLSKVMIIENSHVKK
DDIWPSGGQMTVKDLTAKYTEGGNAILENISFSISPGQRVGLLGRTGSGKSTLLSAFLRLLNTEGEIQIDGVSWDSITLQ
QWRKAFGVIPQKVFIFSGTFRKNLDPYEQWSDQEIWKVADEVGLRSVIEQFPGKLDFVLVDGGCVLSHGHKQLMCLARSV
LSKAKILLLDEPSAHLDPVTYQIIRRTLKQAFADCTVILCEHRIEAMLECQQFLVIEENKVRQYDSIQKLLNERSLFRQA
ISPSDRVKLFPHRNSSKCKSKPQIAALKEETEEEVQDTRLSNSLEVLFQ</string>
                </sequence>
                <ec_number>3.6.3.49</ec_number>
            </protein_or_peptide>
            <protein_or_peptide macromolecule_id="2">
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                <natural_source database="NCBI">
                    <organism ncbi="9606">Homo sapiens</organism>
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                <molecular_weight>
                    <theoretical units="MDa">0.001549902</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>(UNK)(UNK)(UNK)(UNK)(UNK)(UNK)(UNK)(UNK)(UNK)(UNK)(UNK)(UNK)(UNK)(UNK)(UNK)(UNK)
(UNK)(UNK)</string>
                </sequence>
            </protein_or_peptide>
        </macromolecule_list>
    </sample>
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                        <instrument>FEI VITROBOT MARK I</instrument>
                        <details />
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                    <electron_source>FIELD EMISSION GUN</electron_source>
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                    <nominal_defocus_min units="&#181;m">0.8</nominal_defocus_min>
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                    <number_selected>430000</number_selected>
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                <ctf_correction>
                    <software_list>
                        <software>
                            <name>CTFFIND4</name>
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                        <point_group>C1</point_group>
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