<?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_11_0/emdb.xsd" version="3.0.11.0" emdb_id="EMD-0701">
    <admin>
        <current_status>
            <date>2025-07-02</date>
            <code>REL</code>
            <processing_site>PDBj</processing_site>
        </current_status>
        <revision_history>
            <revision version="1.0" date="2019-10-23">
                <change_list>
                    <image>
                        <revision_type>INITIAL_RELEASE</revision_type>
                        <provider>REPOSITORY</provider>
                    </image>
                    <primary_map>
                        <revision_type>INITIAL_RELEASE</revision_type>
                        <provider>REPOSITORY</provider>
                    </primary_map>
                </change_list>
            </revision>
            <revision version="1.1" date="2025-07-02">
                <change_list>
                    <metadata>
                        <revision_group>EXPERIMENTAL_SUMMARY</revision_group>
                        <categories>
                            <category>em_admin</category>
                            <category>em_software</category>
                        </categories>
                        <items>
                            <item>_em_admin.last_update</item>
                            <item>_em_software.name</item>
                        </items>
                    </metadata>
                </change_list>
            </revision>
            <revision version="2.0" date="2020-07-29">
                <change_list>
                    <model>
                        <revision_type>REMEDIATION</revision_type>
                        <provider>REPOSITORY</provider>
                        <description>Carbohydrate remediation</description>
                        <revision_group>STRUCTURE_SUMMARY</revision_group>
                        <categories>
                            <category>atom_site</category>
                            <category>chem_comp</category>
                            <category>entity</category>
                            <category>entity_name_com</category>
                            <category>pdbx_branch_scheme</category>
                            <category>pdbx_chem_comp_identifier</category>
                            <category>pdbx_entity_branch</category>
                            <category>pdbx_entity_branch_descriptor</category>
                            <category>pdbx_entity_branch_link</category>
                            <category>pdbx_entity_branch_list</category>
                            <category>pdbx_entity_nonpoly</category>
                            <category>pdbx_molecule_features</category>
                            <category>pdbx_nonpoly_scheme</category>
                            <category>pdbx_struct_assembly_gen</category>
                            <category>pdbx_struct_conn_angle</category>
                            <category>struct_asym</category>
                            <category>struct_conn</category>
                            <category>struct_conn_type</category>
                            <category>struct_site</category>
                            <category>struct_site_gen</category>
                        </categories>
                        <items>
                            <item>_atom_site.B_iso_or_equiv</item>
                            <item>_atom_site.Cartn_x</item>
                            <item>_atom_site.Cartn_y</item>
                            <item>_atom_site.Cartn_z</item>
                            <item>_atom_site.auth_asym_id</item>
                            <item>_atom_site.auth_atom_id</item>
                            <item>_atom_site.auth_comp_id</item>
                            <item>_atom_site.auth_seq_id</item>
                            <item>_atom_site.label_asym_id</item>
                            <item>_atom_site.label_atom_id</item>
                            <item>_atom_site.label_comp_id</item>
                            <item>_atom_site.label_entity_id</item>
                            <item>_atom_site.type_symbol</item>
                            <item>_chem_comp.name</item>
                            <item>_chem_comp.type</item>
                            <item>_pdbx_struct_assembly_gen.asym_id_list</item>
                            <item>_pdbx_struct_conn_angle.ptnr2_label_asym_id</item>
                            <item>_struct_conn.conn_type_id</item>
                            <item>_struct_conn.id</item>
                            <item>_struct_conn.pdbx_dist_value</item>
                            <item>_struct_conn.pdbx_leaving_atom_flag</item>
                            <item>_struct_conn.pdbx_role</item>
                            <item>_struct_conn.ptnr1_auth_asym_id</item>
                            <item>_struct_conn.ptnr1_auth_comp_id</item>
                            <item>_struct_conn.ptnr1_auth_seq_id</item>
                            <item>_struct_conn.ptnr1_label_asym_id</item>
                            <item>_struct_conn.ptnr1_label_atom_id</item>
                            <item>_struct_conn.ptnr1_label_comp_id</item>
                            <item>_struct_conn.ptnr1_label_seq_id</item>
                            <item>_struct_conn.ptnr2_auth_asym_id</item>
                            <item>_struct_conn.ptnr2_auth_comp_id</item>
                            <item>_struct_conn.ptnr2_auth_seq_id</item>
                            <item>_struct_conn.ptnr2_label_asym_id</item>
                            <item>_struct_conn.ptnr2_label_atom_id</item>
                            <item>_struct_conn.ptnr2_label_comp_id</item>
                            <item>_struct_conn_type.id</item>
                        </items>
                    </model>
                </change_list>
            </revision>
            <revision version="3.0" date="2020-08-12">
                <change_list>
                    <model>
                        <revision_group>STRUCTURE_SUMMARY</revision_group>
                        <categories>
                            <category>atom_site</category>
                            <category>chem_comp</category>
                            <category>pdbx_nonpoly_scheme</category>
                            <category>pdbx_struct_conn_angle</category>
                            <category>struct_conn</category>
                        </categories>
                        <items>
                            <item>_atom_site.auth_seq_id</item>
                            <item>_chem_comp.pdbx_synonyms</item>
                            <item>_pdbx_nonpoly_scheme.pdb_seq_num</item>
                            <item>_pdbx_struct_conn_angle.ptnr2_auth_seq_id</item>
                            <item>_struct_conn.pdbx_leaving_atom_flag</item>
                            <item>_struct_conn.ptnr1_auth_seq_id</item>
                            <item>_struct_conn.ptnr2_auth_seq_id</item>
                        </items>
                    </model>
                </change_list>
            </revision>
            <revision version="3.1" date="2024-11-13">
                <change_list>
                    <model>
                        <revision_group>STRUCTURE_SUMMARY</revision_group>
                        <categories>
                            <category>chem_comp_atom</category>
                            <category>chem_comp_bond</category>
                            <category>database_2</category>
                            <category>em_admin</category>
                            <category>pdbx_entry_details</category>
                            <category>pdbx_modification_feature</category>
                        </categories>
                        <items>
                            <item>_database_2.pdbx_DOI</item>
                            <item>_database_2.pdbx_database_accession</item>
                            <item>_em_admin.last_update</item>
                            <item>_pdbx_entry_details.has_protein_modification</item>
                        </items>
                    </model>
                </change_list>
            </revision>
            <revision version="3.2" date="2025-07-02">
                <change_list>
                    <model>
                        <revision_group>DATA_COLLECTION</revision_group>
                        <categories>
                            <category>em_admin</category>
                            <category>em_software</category>
                        </categories>
                        <items>
                            <item>_em_admin.last_update</item>
                            <item>_em_software.name</item>
                        </items>
                    </model>
                </change_list>
            </revision>
        </revision_history>
        <sites>
            <deposition>PDBj</deposition>
            <last_processing>PDBj</last_processing>
        </sites>
        <key_dates>
            <deposition>2019-07-27</deposition>
            <header_release>2019-10-23</header_release>
            <map_release>2019-10-23</map_release>
            <update>2025-07-02</update>
        </key_dates>
        <grant_support>
            <grant_reference>
                <funding_body>Ministry of Science and Technology (China)</funding_body>
                <code>2018YFA0508100</code>
                <country>China</country>
            </grant_reference>
            <grant_reference>
                <funding_body>Ministry of Science and Technology (China)</funding_body>
                <code>2016YFA0500404</code>
                <country>China</country>
            </grant_reference>
            <grant_reference>
                <funding_body>National Natural Science Foundation of China</funding_body>
                <code>31870724</code>
                <country>China</country>
            </grant_reference>
            <grant_reference>
                <funding_body>National Natural Science Foundation of China</funding_body>
                <code>31525001</code>
                <country>China</country>
            </grant_reference>
            <grant_reference>
                <funding_body>National Natural Science Foundation of China</funding_body>
                <code>31430019</code>
                <country>China</country>
            </grant_reference>
        </grant_support>
        <title>human KCC1 structure determined in KCl and detergent GDN</title>
        <authors_list>
            <author>Liu S</author>
            <author>Chang S</author>
        </authors_list>
        <keywords>ion co-transporter, TRANSPORT PROTEIN</keywords>
    </admin>
    <crossreferences>
        <citation_list>
            <primary_citation>
                <journal_citation published="true">
                    <author order="1">Liu S</author>
                    <author order="2">Chang S</author>
                    <author order="3">Han B</author>
                    <author order="4">Xu L</author>
                    <author order="5">Zhang M</author>
                    <author order="6">Zhao C</author>
                    <author order="7">Yang W</author>
                    <author order="8">Wang F</author>
                    <author order="9">Li J</author>
                    <author order="10">Delpire E</author>
                    <author order="11">Ye S</author>
                    <author order="12">Bai XC</author>
                    <author order="13">Guo J</author>
                    <title>Cryo-EM structures of the human cation-chloride cotransporter KCC1.</title>
                    <journal_abbreviation>Science</journal_abbreviation>
                    <country>US</country>
                    <volume>366</volume>
                    <first_page>505</first_page>
                    <last_page>508</last_page>
                    <year>2019</year>
                    <external_references type="PUBMED">31649201</external_references>
                    <external_references type="DOI">doi:10.1126/science.aay3129</external_references>
                    <external_references type="ISSN">1095-9203</external_references>
                    <external_references type="CSD">0038</external_references>
                    <external_references type="ASTM">SCIEAS</external_references>
                </journal_citation>
            </primary_citation>
        </citation_list>
        <pdb_list>
            <pdb_reference>
                <pdb_id>6kkr</pdb_id>
                <relationship>
                    <in_frame>FULLOVERLAP</in_frame>
                </relationship>
            </pdb_reference>
        </pdb_list>
    </crossreferences>
    <sample>
        <name>potassium chloride co-transporter 1</name>
        <supramolecule_list>
            <complex_supramolecule supramolecule_id="1">
                <name>potassium chloride co-transporter 1</name>
                <parent>0</parent>
                <macromolecule_list>
                    <macromolecule>
                        <macromolecule_id>1</macromolecule_id>
                    </macromolecule>
                </macromolecule_list>
                <natural_source database="NCBI">
                    <organism ncbi="9606">Homo sapiens</organism>
                </natural_source>
            </complex_supramolecule>
        </supramolecule_list>
        <macromolecule_list>
            <protein_or_peptide macromolecule_id="1">
                <name>Solute carrier family 12 member 4</name>
                <natural_source database="NCBI">
                    <organism ncbi="9606">Homo sapiens</organism>
                </natural_source>
                <molecular_weight>
                    <theoretical units="MDa">0.122054875</theoretical>
                </molecular_weight>
                <number_of_copies>2</number_of_copies>
                <recombinant_expression database="NCBI">
                    <recombinant_organism ncbi="9606">Homo sapiens</recombinant_organism>
                </recombinant_expression>
                <enantiomer>LEVO</enantiomer>
                <sequence>
                    <string>MPHFTVVPVDGPRRGDYDNLEGLSWVDYGERAELDDSDGHGNHRESSPFLSPLEASRGIDYYDRNLALFEEELDIRPKVS
SLLGKLVSYTNLTQGAKEHEEAESGEGTRRRAAEAPSMGTLMGVYLPCLQNIFGVILFLRLTWMVGTAGVLQALLIVLIC
CCCTLLTAISMSAIATNGVVPAGGSYFMISRSLGPEFGGAVGLCFYLGTTFAAAMYILGAIEILLTYIAPPAAIFYPSGA
HDTSNATLNNMRVYGTIFLTFMTLVVFVGVKYVNKFASLFLACVIISILSIYAGGIKSIFDPPVFPVCMLGNRTLSRDQF
DICAKTAVVDNETVATQLWSFFCHSPNLTTDSCDPYFMLNNVTEIPGIPGAAAGVLQENLWSAYLEKGDIVEKHGLPSAD
APSLKESLPLYVVADIATSFTVLVGIFFPSVTGIMAGSNRSGDLRDAQKSIPVGTILAIITTSLVYFSSVVLFGACIEGV
VLRDKYGDGVSRNLVVGTLAWPSPWVIVIGSFFSTCGAGLQSLTGAPRLLQAIAKDNIIPFLRVFGHGKVNGEPTWALLL
TALIAELGILIASLDMVAPILSMFFLMCYLFVNLACAVQTLLRTPNWRPRFKYYHWALSFLGMSLCLALMFVSSWYYALV
AMLIAGMIYKYIEYQGAEKEWGDGIRGLSLSAARYALLRLEEGPPHTKNWRPQLLVLLKLDEDLHVKYPRLLTFASQLKA
GKGLTIVGSVIQGSFLESYGEAQAAEQTIKNMMEIEKVKGFCQVVVASKVREGLAHLIQSCGLGGMRHNSVVLGWPYGWR
QSEDPRAWKTFIDTVRCTTAAHLALLVPKNIAFYPSNHERYLEGHIDVWWIVHDGGMLMLLPFLLRQHKVWRKCRMRIFT
VAQMDDNSIQMKKDLAVFLYHLRLEAEVEVVEMHNSDISAYTYERTLMMEQRSQMLRQMRLTKTEREREAQLVKDRHSAL
RLESLYSDEEDESAVGADKIQMTWTRDKYMTETWDPSHAPDNFRELVHIKPDQSNVRRMHTAVKLNEVIVTRSHDARLVL
LNMPGPPRNSEGDENYMEFLEVLTEGLERVLLVRGGGREVITIYSLEWSHPQFEK</string>
                    <external_references type="UNIPROTKB">Q9UP95</external_references>
                </sequence>
            </protein_or_peptide>
            <ligand macromolecule_id="4">
                <name>CHLORIDE ION</name>
                <molecular_weight>
                    <theoretical units="MDa">3.5453e-05</theoretical>
                </molecular_weight>
                <number_of_copies>4</number_of_copies>
                <formula>CL</formula>
            </ligand>
            <ligand macromolecule_id="5">
                <name>POTASSIUM ION</name>
                <molecular_weight>
                    <theoretical units="MDa">3.9098e-05</theoretical>
                </molecular_weight>
                <number_of_copies>2</number_of_copies>
                <formula>K</formula>
            </ligand>
            <ligand macromolecule_id="6">
                <name>2-[2-[(1~{S},2~{S},4~{S},5'~{R},6~{R},7~{S},8~{R},9~{S},12~{S},13~{R},16~{S})-5',7,9,13-tetramethylspiro[5-oxapentacyclo[10.8.0.0^{2,9}.0^{4,8}.0^{13,18}]icos-18-ene-6,2'-oxane]-16-yl]oxyethyl]propane-1,3-diol</name>
                <molecular_weight>
                    <theoretical units="MDa">0.0005167519999999999</theoretical>
                </molecular_weight>
                <number_of_copies>2</number_of_copies>
                <formula>DU0</formula>
            </ligand>
        </macromolecule_list>
    </sample>
    <structure_determination_list>
        <structure_determination structure_determination_id="1">
            <method>singleParticle</method>
            <aggregation_state>particle</aggregation_state>
            <specimen_preparation_list>
                <single_particle_preparation preparation_id="1">
                    <buffer>
                        <ph>8.0</ph>
                    </buffer>
                    <vitrification>
                        <cryogen_name>ETHANE</cryogen_name>
                    </vitrification>
                </single_particle_preparation>
            </specimen_preparation_list>
            <microscopy_list>
                <single_particle_microscopy microscopy_id="1">
                    <microscope>FEI TITAN KRIOS</microscope>
                    <illumination_mode>FLOOD BEAM</illumination_mode>
                    <imaging_mode>BRIGHT FIELD</imaging_mode>
                    <electron_source>FIELD EMISSION GUN</electron_source>
                    <acceleration_voltage units="kV">300</acceleration_voltage>
                    <image_recording_list>
                        <image_recording image_recording_id="1">
                            <film_or_detector_model>GATAN K2 SUMMIT (4k x 4k)</film_or_detector_model>
                            <average_electron_dose_per_image units="e/Å^2">64.0</average_electron_dose_per_image>
                        </image_recording>
                    </image_recording_list>
                </single_particle_microscopy>
            </microscopy_list>
            <singleparticle_processing image_processing_id="1">
                <image_recording_id>1</image_recording_id>
                <ctf_correction>
                    <type>PHASE FLIPPING AND AMPLITUDE CORRECTION</type>
                </ctf_correction>
                <startup_model type_of_model="NONE"/>
                <final_reconstruction>
                    <resolution units="Å" res_type="BY AUTHOR">2.9</resolution>
                    <resolution_method>FSC 0.143 CUT-OFF</resolution_method>
                    <number_images_used>60538</number_images_used>
                </final_reconstruction>
                <initial_angle_assignment>
                    <type>PROJECTION MATCHING</type>
                    <projection_matching_processing/>
                </initial_angle_assignment>
                <final_angle_assignment>
                    <type>PROJECTION MATCHING</type>
                    <projection_matching_processing/>
                </final_angle_assignment>
            </singleparticle_processing>
        </structure_determination>
    </structure_determination_list>
    <map format="CCP4" size_kbytes="37045">
        <file>emd_0701.map.gz</file>
        <symmetry>
            <space_group>1</space_group>
        </symmetry>
        <data_type>IMAGE STORED AS FLOATING POINT NUMBER (4 BYTES)</data_type>
        <dimensions>
            <col>210</col>
            <row>210</row>
            <sec>210</sec>
        </dimensions>
        <origin>
            <col>0</col>
            <row>0</row>
            <sec>0</sec>
        </origin>
        <spacing>
            <x>210</x>
            <y>210</y>
            <z>210</z>
        </spacing>
        <cell>
            <a units="Å">224.70001</a>
            <b units="Å">224.70001</b>
            <c units="Å">224.70001</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>-0.098366186</minimum>
            <maximum>0.16658069</maximum>
            <average>-0.000017184992</average>
            <std>0.0062890733</std>
        </statistics>
        <pixel_spacing>
            <x units="Å">1.07</x>
            <y units="Å">1.07</y>
            <z units="Å">1.07</z>
        </pixel_spacing>
        <contour_list>
            <contour primary="true">
                <level>0.02</level>
                <source>AUTHOR</source>
            </contour>
        </contour_list>
        <label>::::EMDATABANK.org::::EMD-0701::::</label>
        <annotation_details>EM map of KCC1 in KCl and detergent GDN</annotation_details>
    </map>
</emd>
