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<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_9_3/emdb.xsd" version="3.0.9.3" emdb_id="EMD-10703">
    <admin>
        <current_status>
            <date>2024-11-13</date>
            <code>REL</code>
            <processing_site>PDBe</processing_site>
        </current_status>
        <sites>
            <deposition>PDBe</deposition>
            <last_processing>PDBe</last_processing>
        </sites>
        <key_dates>
            <deposition>2020-02-25</deposition>
            <header_release>2020-03-11</header_release>
            <map_release>2020-03-11</map_release>
            <update>2024-11-13</update>
        </key_dates>
        <grant_support>
            <grant_reference>
                <funding_body>European Commission</funding_body>
                <code>115766</code>
                <country>United Kingdom</country>
            </grant_reference>
        </grant_support>
        <title>Structure of Human Potassium Chloride Transporter KCC3 in NaCl</title>
        <authors_list>
            <author>Chi G</author>
            <author>Man H</author>
        </authors_list>
        <keywords>Dimer, transporter, potassium chloride, KCC3, SLC12A6, membrane protein, APC, Structural Genomics, Structural Genomics Consortium, SGC, PSI-2, Protein Structure Initiative</keywords>
    </admin>
    <crossreferences>
        <citation_list>
            <primary_citation>
                <journal_citation published="false">
                    <author order="1">Chi G</author>
                    <author order="2">Man H</author>
                    <author order="3">Ebenhoch R</author>
                    <author order="4">Reggiano G</author>
                    <author order="5">Pike ACW</author>
                    <author order="6">Wang D</author>
                    <author order="7">McKinley G</author>
                    <author order="8">Mukhopadhyay SMM</author>
                    <author order="9">Chalk R</author>
                    <author order="10">Moreau C</author>
                    <author order="11">Snee M</author>
                    <author order="12">Bohstedt T</author>
                    <author order="13">Singh NK</author>
                    <author order="14">Abrusci P</author>
                    <author order="15">Arrowsmith CH</author>
                    <author order="16">Bountra C</author>
                    <author order="17">Edwards AM</author>
                    <author order="18">Marsden BD</author>
                    <author order="19">Burgess-Brown NA</author>
                    <author order="20">DiMaio F</author>
                    <author order="21">Duerr KL</author>
                    <author order="22">Structural Genomics Consortium (SGC)</author>
                    <title>Structure of Human Potassium Chloride Transporter KCC3 in NaCl</title>
                    <journal_abbreviation>To be published</journal_abbreviation>
                    <external_references type="CSD">0353</external_references>
                </journal_citation>
            </primary_citation>
        </citation_list>
        <pdb_list>
            <pdb_reference>
                <pdb_id>6y5r</pdb_id>
                <relationship>
                    <in_frame>FULLOVERLAP</in_frame>
                </relationship>
            </pdb_reference>
        </pdb_list>
    </crossreferences>
    <sample>
        <name>Homodimeric complex of human potassium chloride transporter</name>
        <supramolecule_list>
            <complex_supramolecule supramolecule_id="1">
                <name>Homodimeric complex of human potassium chloride transporter</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>
                <molecular_weight>
                    <theoretical units="MDa">0.246</theoretical>
                </molecular_weight>
            </complex_supramolecule>
        </supramolecule_list>
        <macromolecule_list>
            <protein_or_peptide macromolecule_id="1">
                <name>Solute carrier family 12 member 6</name>
                <natural_source database="NCBI">
                    <organism ncbi="9606">Homo sapiens</organism>
                </natural_source>
                <molecular_weight>
                    <theoretical units="MDa">0.12227334399999999</theoretical>
                </molecular_weight>
                <details>Sugar molecules from glycosylation post-translational modifications (NAG, BMA) present.</details>
                <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>MPHFTVTKVEDPEEGAAASISQEPSLADIKARIQDSDEPDLSQNDITGEHSQLLDDGHKKARNAYLNNSNYEEGDEYFDK
NLALFEEEMDTRPKVSSLLNRMANYTNLTQGAKEHEEAENITEGKKKPTKTPQMGTFMGVYLPCLQNIFGVILFLRLTWV
VGTAGVLQAFAIVLICCCCTMLTAISMSAIATNGVVPAGGSYFMISRALGPEFGGAVGLCFYLGTTFAAAMYILGAIEIF
LVYIVPRAAIFHSDDALKESAAMLNNMRVYGTAFLVLMVLVVFIGVRYVNKFASLFLACVIVSILAIYAGAIKSSFAPPH
FPVCMLGNRTLSSRHIDVCSKTKEINNMTVPSKLWGFFCNSSQFFNATCDEYFVHNNVTSIQGIPGLASGIITENLWSNY
LPKGEIIEKPSAKSSDVLGSLNHEYVLVDITTSFTLLVGIFFPSVTGIMAGSNRSGDLKDAQKSIPIGTILAILTTSFVY
LSNVVLFGACIEGVVLRDKFGDAVKGNLVVGTLSWPSPWVIVIGSFFSTCGAGLQSLTGAPRLLQAIAKDNIIPFLRVFG
HSKANGEPTWALLLTAAIAELGILIASLDLVAPILSMFFLMCYLFVNLACALQTLLRTPNWRPRFRYYHWALSFMGMSIC
LALMFISSWYYAIVAMVIAGMIYKYIEYQGAEKEWGDGIRGLSLSAARFALLRLEEGPPHTKNWRPQLLVLLKLDEDLHV
KHPRLLTFASQLKAGKGLTIVGSVIVGNFLENYGEALAAEQTIKHLMEAEKVKGFCQLVVAAKLREGISHLIQSCGLGGM
KHNTVVMGWPNGWRQSEDARAWKTFIGTVRVTTAAHLALLVAKNISFFPSNVEQFSEGNIDVWWIVHDGGMLMLLPFLLK
QHKVWRKCSIRIFTVAQLEDNSIQMKKDLATFLYHLRIEAEVEVVEMHDSDISAYTYERDLMMEQRSQMLRHMRLSKTER
DREAQLVKDRNSMLRLTSIGSDEDEETETYQEKVHMDWTKDKYMASRGQKAKSMEGFQDLLNMRPDQSNVRRMHTAVKLN
EVIVNKSHEAKLVLLNMPGPPRNPEGDENYMEFLEVLTEGLERVLLVRGGGSEVITIYS</string>
                    <external_references type="UNIPROTKB">Q9UHW9</external_references>
                </sequence>
            </protein_or_peptide>
            <ligand macromolecule_id="3">
                <name>2-acetamido-2-deoxy-beta-D-glucopyranose</name>
                <molecular_weight>
                    <theoretical units="MDa">0.000221208</theoretical>
                </molecular_weight>
                <number_of_copies>2</number_of_copies>
                <formula>NAG</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">
                    <concentration units="mg/mL">6.5</concentration>
                    <buffer>
                        <ph>7.5</ph>
                    </buffer>
                    <grid>
                        <model>Quantifoil R1.2/1.3</model>
                        <material>GOLD</material>
                        <mesh>300</mesh>
                        <support_film film_type_id="1">
                            <film_material>CARBON</film_material>
                            <film_topology>HOLEY</film_topology>
                        </support_film>
                        <pretreatment>
                            <type>GLOW DISCHARGE</type>
                            <time units="s">30</time>
                            <atmosphere>OTHER</atmosphere>
                        </pretreatment>
                    </grid>
                    <vitrification>
                        <cryogen_name>ETHANE</cryogen_name>
                        <chamber_humidity units="percentage">100</chamber_humidity>
                        <chamber_temperature units="K">297</chamber_temperature>
                        <instrument>FEI VITROBOT MARK IV</instrument>
                        <details>2 second blotting time, 40 second waiting time, -15 blotting force. </details>
                    </vitrification>
                    <details>This sample was monodisperse.</details>
                </single_particle_preparation>
            </specimen_preparation_list>
            <microscopy_list>
                <single_particle_microscopy microscopy_id="1">
                    <microscope>TFS 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>
                    <c2_aperture_diameter units="µm">50.0</c2_aperture_diameter>
                    <nominal_cs units="mm">2.7</nominal_cs>
                    <nominal_defocus_min units="µm">-0.8</nominal_defocus_min>
                    <nominal_defocus_max units="µm">-2.3000000000000003</nominal_defocus_max>
                    <specimen_holder_model>FEI TITAN KRIOS AUTOGRID HOLDER</specimen_holder_model>
                    <cooling_holder_cryogen>NITROGEN</cooling_holder_cryogen>
                    <temperature>
                        <temperature_min units="K">70.0</temperature_min>
                        <temperature_max units="K">70.0</temperature_max>
                    </temperature>
                    <alignment_procedure>
                        <other/>
                    </alignment_procedure>
                    <image_recording_list>
                        <image_recording image_recording_id="1">
                            <film_or_detector_model>GATAN K3 (6k x 4k)</film_or_detector_model>
                            <number_grids_imaged>1</number_grids_imaged>
                            <number_real_images>16472</number_real_images>
                            <average_electron_dose_per_image units="e/Å^2">40.0</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>
                <startup_model type_of_model="NONE">
                    <details>map was built ab initio using Relion 3.0.8's initial model program</details>
                </startup_model>
                <final_reconstruction>
                    <applied_symmetry>
                        <point_group>C1</point_group>
                    </applied_symmetry>
                    <resolution units="Å" res_type="BY AUTHOR">3.76</resolution>
                    <resolution_method>FSC 0.5 CUT-OFF</resolution_method>
                    <software_list>
                        <software>
                            <name>RELION</name>
                            <version>3.0.8</version>
                        </software>
                    </software_list>
                    <number_images_used>920574</number_images_used>
                </final_reconstruction>
                <initial_angle_assignment>
                    <type>RANDOM ASSIGNMENT</type>
                    <software_list>
                        <software>
                            <name>RELION</name>
                            <version>3.0.8</version>
                        </software>
                    </software_list>
                </initial_angle_assignment>
                <final_angle_assignment>
                    <type>MAXIMUM LIKELIHOOD</type>
                    <software_list>
                        <software>
                            <name>RELION</name>
                            <version>3.0.8</version>
                        </software>
                    </software_list>
                </final_angle_assignment>
                <final_three_d_classification>
                    <software_list>
                        <software>
                            <name>RELION</name>
                            <version>3.0.8</version>
                        </software>
                    </software_list>
                </final_three_d_classification>
            </singleparticle_processing>
        </structure_determination>
    </structure_determination_list>
    <map format="CCP4" size_kbytes="340737">
        <file>emd_10703.map.gz</file>
        <symmetry>
            <space_group>1</space_group>
        </symmetry>
        <data_type>IMAGE STORED AS FLOATING POINT NUMBER (4 BYTES)</data_type>
        <dimensions>
            <col>440</col>
            <row>440</row>
            <sec>440</sec>
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        <spacing>
            <x>440</x>
            <y>440</y>
            <z>440</z>
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        <cell>
            <a units="Å">286.44</a>
            <b units="Å">286.44</b>
            <c units="Å">286.44</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>
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        <statistics>
            <minimum>-0.020708172</minimum>
            <maximum>0.042289127</maximum>
            <average>0.00006021436</average>
            <std>0.0012882311</std>
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        <pixel_spacing>
            <x units="Å">0.651</x>
            <y units="Å">0.651</y>
            <z units="Å">0.651</z>
        </pixel_spacing>
        <contour_list>
            <contour primary="true">
                <level>0.01</level>
                <source>AUTHOR</source>
            </contour>
        </contour_list>
        <label>::::EMDATABANK.org::::EMD-10703::::</label>
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    <interpretation>
        <half_map_list>
            <half_map format="CCP4" size_kbytes="340737">
                <file>emd_10703_half_map_1.map.gz</file>
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                    <a units="Å">286.44</a>
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                    <c units="Å">286.44</c>
                    <alpha units="deg">90.0</alpha>
                    <beta units="deg">90.0</beta>
                    <gamma units="deg">90.0</gamma>
                </cell>
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                    <fast>X</fast>
                    <medium>Y</medium>
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                    <minimum>-0.023583762</minimum>
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                    <average>0.000060948514</average>
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                    <x units="Å">0.651</x>
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                    <z units="Å">0.651</z>
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                <dimensions>
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                    <fast>X</fast>
                    <medium>Y</medium>
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                <statistics>
                    <minimum>-0.023195619</minimum>
                    <maximum>0.044292096</maximum>
                    <average>0.0000594802</average>
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                    <x units="Å">0.651</x>
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