<emd emdb_id="EMD-1593" version="3.0.1.1" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="https://github.com/emdb-empiar/emdb-schemas/blob/master/v3/v3_0_1_1/emdb_relaxed.xsd">
    <admin>
        <current_status>
            <code>REL</code>
            <processing_site>PDBe</processing_site>
        </current_status>
        <sites>
            <deposition>PDBe</deposition>
            <last_processing>PDBe</last_processing>
        </sites>
        <key_dates>
            <deposition>2009-01-23</deposition>
            <header_release>2009-02-25</header_release>
            <map_release>2009-04-01</map_release>
            <update>2013-09-25</update>
        </key_dates>
        <title>Electron crystallographic reconstruction of human copper transporter (hCTR1).</title>
        <authors_list>
            <author>DeFeo CJ</author>
            <author>Aller SG</author>
            <author>Siluvai GS</author>
            <author>Blackburn NJ</author>
            <author>Unger VM</author>
        </authors_list>
        <keywords>Cryo-EM, electron crystallography, 2D-crystal, membrane protein, copper</keywords>
    </admin>
    <crossreferences>
        <citation_list>
            <primary_citation>
                <journal_citation published="true">
                    <author order="1">De Feo CJ</author>
                    <author order="2">Aller SG</author>
                    <author order="3">Siluvai GS</author>
                    <author order="4">Blackburn NJ</author>
                    <author order="5">Unger VM</author>
                    <title>Three-dimensional structure of the human copper transporter hCTR1.</title>
                    <journal>PROC.NAT.ACAD.SCI.USA</journal>
                    <volume>106</volume>
                    <first_page>4237</first_page>
                    <last_page>4242</last_page>
                    <year>2009</year>
                    <external_references type="PUBMED">19240214</external_references>
                    <external_references type="DOI">doi:10.1073/pnas.0810286106</external_references>
                </journal_citation>
            </primary_citation>
        </citation_list>
    </crossreferences>
    <sample>
        <name>human copper transporter hCTR1</name>
        <supramolecule_list>
            <sample_supramolecule supramolecule_id="1000">
                <name>human copper transporter hCTR1</name>
                <oligomeric_state>trimer</oligomeric_state>
                <number_unique_components>1</number_unique_components>
                <molecular_weight>
                    <theoretical units="MDa">0.066</theoretical>
                </molecular_weight>
            </sample_supramolecule>
        </supramolecule_list>
        <macromolecule_list>
            <protein_or_peptide macromolecule_id="1">
                <name synonym="copper transporter">hCTR1</name>
                <natural_source database="NCBI">
                    <organism ncbi="9606">Homo sapiens</organism>
                    <synonym_organism>Human</synonym_organism>
                    <cellular_location>Plasma Membrane</cellular_location>
                </natural_source>
                <molecular_weight>
                    <theoretical units="MDa">0.066</theoretical>
                </molecular_weight>
                <number_of_copies>3</number_of_copies>
                <oligomeric_state>trimer</oligomeric_state>
                <recombinant_exp_flag>true</recombinant_exp_flag>
                <recombinant_expression database="NCBI">
                    <recombinant_organism ncbi="4922">Komagataella pastoris</recombinant_organism>
                    <recombinant_plasmid>pPic3.5</recombinant_plasmid>
                </recombinant_expression>
                <sequence>
                    <external_references type="UNIPROTKB">O15431</external_references>
                </sequence>
            </protein_or_peptide>
        </macromolecule_list>
    </sample>
    <structure_determination_list>
        <structure_determination structure_determination_id="1">
            <method>electronCrystallography</method>
            <aggregation_state>twoDArray</aggregation_state>
            <specimen_preparation_list>
                <crystallography_preparation preparation_id="1">
                    <concentration units="mg/mL">0.37</concentration>
                    <buffer>
                        <ph>7.4</ph>
                        <details>10mM MOPS, 280mM NaCl, 2.0 mM EDTA</details>
                    </buffer>
                    <staining>
                        <type>NEGATIVE</type>
                        <details>none</details>
                    </staining>
                    <grid>
                        <details>300 mesh molybdenum grids</details>
                    </grid>
                    <vitrification>
                        <cryogen_name>ETHANE</cryogen_name>
                        <chamber_humidity units="percentage">100</chamber_humidity>
                        <chamber_temperature units="K">93</chamber_temperature>
                        <instrument>HOMEMADE PLUNGER</instrument>
                        <details>Vitrification instrument: Home built plunger. no special treatment</details>
                        <method>Blot for 5 seconds before plunging</method>
                    </vitrification>
                    <details>grown by dialysis</details>
                    <crystal_formation>
                        <details>grown by dialysis</details>
                    </crystal_formation>
                </crystallography_preparation>
            </specimen_preparation_list>
            <microscopy_list>
                <crystallography_microscopy microscopy_id="1">
                    <microscope>FEI TECNAI F20</microscope>
                    <illumination_mode>FLOOD BEAM</illumination_mode>
                    <imaging_mode>BRIGHT FIELD</imaging_mode>
                    <electron_source>FIELD EMISSION GUN</electron_source>
                    <acceleration_voltage units="kV">200</acceleration_voltage>
                    <nominal_cs units="mm">2</nominal_cs>
                    <nominal_defocus_min units="&#181;m">0.4</nominal_defocus_min>
                    <nominal_defocus_max units="&#181;m">1.5</nominal_defocus_max>
                    <nominal_magnification>50000.0</nominal_magnification>
                    <specimen_holder_model>GATAN LIQUID NITROGEN</specimen_holder_model>
                    <temperature>
                        <temperature_min units="K">93</temperature_min>
                        <temperature_max units="K">93</temperature_max>
                        <temperature_average units="K">93</temperature_average>
                    </temperature>
                    <alignment_procedure>
                        <legacy>
                            <astigmatism>230,000 times magnification</astigmatism>
                        </legacy>
                    </alignment_procedure>
                    <image_recording_list>
                        <image_recording>
                            <film_or_detector_model category="FILM">KODAK SO-163 FILM</film_or_detector_model>
                            <digitization_details>
                                <scanner>ZEISS SCAI</scanner>
                                <sampling_interval units="&#181;m">7.0</sampling_interval>
                            </digitization_details>
                            <number_real_images>58</number_real_images>
                            <average_electron_dose_per_image units="e/&#8491;^2">10</average_electron_dose_per_image>
                            <bits_per_pixel>8.</bits_per_pixel>
                        </image_recording>
                    </image_recording_list>
                    <specimen_holder>Gatan Side Entry</specimen_holder>
                    <tilt_angle_min>1.2</tilt_angle_min>
                    <tilt_angle_max>46.2</tilt_angle_max>
                    <tilt_series>
                        <axis1>
                            <min_angle units="deg">1.2</min_angle>
                            <max_angle units="deg">46.2</max_angle>
                        </axis1>
                    </tilt_series>
                </crystallography_microscopy>
            </microscopy_list>
            <crystallography_processing image_processing_id="1">
                <final_reconstruction>
                    <algorithm>OTHER</algorithm>
                    <resolution res_type="BY AUTHOR" units="&#8491;">7.0</resolution>
                    <resolution_method>OTHER</resolution_method>
                    <software_list>
                        <software>
                            <name>MRC</name>
                        </software>
                    </software_list>
                </final_reconstruction>
                <crystal_parameters>
                    <unit_cell>
                        <a units="&#8491;">89</a>
                        <b units="&#8491;">89</b>
                        <c units="&#8491;">400</c>
                        <gamma units="deg">120</gamma>
                        <alpha units="deg">90</alpha>
                        <beta units="deg">90</beta>
                    </unit_cell>
                    <plane_group>P 6 2 2</plane_group>
                </crystal_parameters>
                <ctf_correction>
                    <details>Each image</details>
                </ctf_correction>
            </crystallography_processing>
        </structure_determination>
    </structure_determination_list>
    <map format="CCP4" size_kbytes="23701">
        <file>emd_1593.map.gz</file>
        <symmetry>
            <space_group>177</space_group>
        </symmetry>
        <data_type>IMAGE STORED AS FLOATING POINT NUMBER (4 BYTES)</data_type>
        <dimensions>
            <col>123</col>
            <row>123</row>
            <sec>401</sec>
        </dimensions>
        <origin>
            <col>-17</col>
            <row>-17</row>
            <sec>-200</sec>
        </origin>
        <spacing>
            <x>88</x>
            <y>88</y>
            <z>400</z>
        </spacing>
        <cell>
            <a units="&#8491;">88.99969</a>
            <b units="&#8491;">88.99969</b>
            <c units="&#8491;">400.0</c>
            <alpha units="deg">90.0</alpha>
            <beta units="deg">90.0</beta>
            <gamma units="deg">120.0</gamma>
        </cell>
        <axis_order>
            <fast>Y</fast>
            <medium>X</medium>
            <slow>Z</slow>
        </axis_order>
        <statistics>
            <minimum>-211.531204220000006</minimum>
            <maximum>250.0</maximum>
            <average>-2.75661373</average>
            <std>31.055322650000001</std>
        </statistics>
        <pixel_spacing>
            <x units="&#8491;">1.01136</x>
            <y units="&#8491;">1.01136</y>
            <z units="&#8491;">1.0</z>
        </pixel_spacing>
        <contour_list>
            <contour primary="true">
                <level>75.0</level>
                <source>EMDB</source>
            </contour>
        </contour_list>
        <annotation_details>Volume map of human copper transporter (hCTR1) metal free.</annotation_details>
        <details>::::EMDATABANK.org::::EMD-1593::::</details>
    </map>
</emd>