<emd emdb_id="EMD-6631" 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>RCSB</processing_site>
        </current_status>
        <sites>
            <deposition>RCSB</deposition>
            <last_processing>RCSB</last_processing>
        </sites>
        <key_dates>
            <deposition>2016-03-24</deposition>
            <header_release>2016-04-27</header_release>
            <map_release>2016-04-27</map_release>
            <update>2016-05-11</update>
        </key_dates>
        <title>Glutamate dehydrogenase in complex with GTP</title>
        <authors_list>
            <author>Borgnia MJ</author>
            <author>Banerjee S</author>
            <author>Merk A</author>
            <author>Matthies D</author>
            <author>Bartesaghi A</author>
            <author>Rao P</author>
            <author>Pierson J</author>
            <author>Earl LA</author>
            <author>Falconieri V</author>
            <author>Subramaniam S</author>
            <author>Milne JLS</author>
        </authors_list>
        <keywords>enzyme, glutamate metabolism, mitochondria</keywords>
    </admin>
    <crossreferences>
        <citation_list>
            <primary_citation>
                <journal_citation published="true">
                    <author order="1">Borgnia MJ</author>
                    <author order="2">Banerjee S</author>
                    <author order="3">Merk A</author>
                    <author order="4">Matthies D</author>
                    <author order="5">Bartesaghi A</author>
                    <author order="6">Rao P</author>
                    <author order="7">Pierson J</author>
                    <author order="8">Earl LA</author>
                    <author order="9">Falconieri V</author>
                    <author order="10">Subramaniam S</author>
                    <author order="11">Milne JL</author>
                    <title>Using cryo-EM to map small ligands on dynamic metabolic enzymes: Studies with glutamate dehydrogenase.</title>
                    <journal>MOL.PHARMACOL.</journal>
                    <volume>89</volume>
                    <first_page>645</first_page>
                    <last_page>651</last_page>
                    <year>2016</year>
                    <external_references type="PUBMED">27036132</external_references>
                    <external_references type="DOI">doi:10.1124/mol.116.103382</external_references>
                </journal_citation>
            </primary_citation>
        </citation_list>
        <pdb_list>
            <pdb_reference>
                <pdb_id>3jd0</pdb_id>
                <relationship>
                    <in_frame>FULLOVERLAP</in_frame>
                </relationship>
            </pdb_reference>
        </pdb_list>
    </crossreferences>
    <sample>
        <name>Binary complex of bovine glutamate dehydrogenase with GTP</name>
        <supramolecule_list>
            <sample_supramolecule supramolecule_id="1000">
                <name>Binary complex of bovine glutamate dehydrogenase with GTP</name>
                <details>The sample was largely monodisperse. Some chains of hexamers were observed.</details>
                <oligomeric_state>one homohexamer of GDH binds 6 molecules of GTP</oligomeric_state>
                <number_unique_components>2</number_unique_components>
                <molecular_weight>
                    <theoretical units="MDa">0.339</theoretical>
                </molecular_weight>
            </sample_supramolecule>
        </supramolecule_list>
        <macromolecule_list>
            <protein_or_peptide macromolecule_id="1">
                <name synonym="Glutamate dehydrogenase 1, mitochondrial, glutamate dehydrogenase [NAD(P)+], GDH">L-glutamate:NAD(P)+ oxidoreductase (deaminating)</name>
                <natural_source database="NCBI">
                    <organism ncbi="9913">Bos taurus</organism>
                    <synonym_organism>Cow</synonym_organism>
                    <tissue>Liver</tissue>
                    <organelle>Mitochondria</organelle>
                    <cellular_location>Mitochondrial matrix</cellular_location>
                </natural_source>
                <molecular_weight>
                    <theoretical units="MDa">0.056</theoretical>
                </molecular_weight>
                <details>Bovine glutamate dehydrogenase (catalog no. G2626; Sigma-Aldrich) was dialyzed overnight against buffer (100 mM potassium phosphate, pH 6.8) prior to fractionation by size-exclusion chromatography using a Superdex 200 10/30 column.</details>
                <number_of_copies>6</number_of_copies>
                <oligomeric_state>hexamer</oligomeric_state>
                <recombinant_exp_flag>false</recombinant_exp_flag>
                <recombinant_expression database="NCBI" />
                <sequence>
                    <external_references type="UNIPROTKB">P00366</external_references>
                    <external_references type="GO">GO:0000166</external_references>
                    <external_references type="GO">GO:0004352</external_references>
                    <external_references type="GO">GO:0004353</external_references>
                    <external_references type="GO">GO:0004353</external_references>
                    <external_references type="GO">GO:0005524</external_references>
                    <external_references type="GO">GO:0005525</external_references>
                    <external_references type="GO">GO:0005739</external_references>
                    <external_references type="GO">GO:0005739</external_references>
                    <external_references type="GO">GO:0005743</external_references>
                    <external_references type="GO">GO:0005759</external_references>
                    <external_references type="GO">GO:0006520</external_references>
                    <external_references type="GO">GO:0006538</external_references>
                    <external_references type="GO">GO:0006541</external_references>
                    <external_references type="GO">GO:0016491</external_references>
                    <external_references type="GO">GO:0016491</external_references>
                    <external_references type="GO">GO:0055114</external_references>
                    <external_references type="GO">GO:0055114</external_references>
                    <external_references type="GO">GO:0072350</external_references>
                    <external_references type="INTERPRO">IPR006095</external_references>
                    <external_references type="INTERPRO">IPR006096</external_references>
                    <external_references type="INTERPRO">IPR006097</external_references>
                    <external_references type="INTERPRO">IPR016040</external_references>
                </sequence>
            </protein_or_peptide>
            <ligand macromolecule_id="2">
                <name synonym="GTP">[[(2R,3S,4R,5R)-5-(2-amino-6-oxo-3H-purin-9-yl)-3,4-dihydroxyoxolan-2-yl]methoxy-hydroxyphosphoryl] phosphono hydrogen phosphate</name>
                <natural_source database="NCBI">
                    <organism ncbi="32644">unidentified</organism>
                </natural_source>
                <molecular_weight>
                    <theoretical units="MDa">0.001</theoretical>
                </molecular_weight>
                <number_of_copies>6</number_of_copies>
                <oligomeric_state>monomer</oligomeric_state>
                <recombinant_exp_flag>false</recombinant_exp_flag>
                <recombinant_expression database="NCBI" />
            </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">2.0</concentration>
                    <buffer>
                        <ph>6.8</ph>
                        <details>100 mM potassium phosphate, 0.1% n-octyl glucopyranoside, 1 mM GTP</details>
                    </buffer>
                    <grid>
                        <details>200 mesh Quantifoil R2/2 grids (Quantifoil Micro Tools),</details>
                    </grid>
                    <vitrification>
                        <cryogen_name>ETHANE</cryogen_name>
                        <chamber_humidity units="percentage">90</chamber_humidity>
                        <chamber_temperature units="K">90</chamber_temperature>
                        <instrument>FEI VITROBOT MARK IV</instrument>
                        <method>Blot for about 4 seconds before plunging.</method>
                    </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>
                    <nominal_cs units="mm">2.7</nominal_cs>
                    <nominal_defocus_min units="&#181;m">1.0</nominal_defocus_min>
                    <nominal_defocus_max units="&#181;m">2.5</nominal_defocus_max>
                    <calibrated_magnification>78426.0</calibrated_magnification>
                    <specimen_holder_model>FEI TITAN KRIOS AUTOGRID HOLDER</specimen_holder_model>
                    <specialist_optics>
                        <energy_filter>
                            <name>GIF Quantum</name>
                            <lower_energy_threshold units="eV">0.0</lower_energy_threshold>
                            <upper_energy_threshold units="eV">20.0</upper_energy_threshold>
                        </energy_filter>
                    </specialist_optics>
                    <details>The total exposure time was 15.2 seconds. Intermediate frames were recorded every 0.4 seconds, resulting in a total of 38 frames per image.</details>
                    <date>2014-05-15</date>
                    <image_recording_list>
                        <image_recording>
                            <film_or_detector_model category="CCD">GATAN K2 SUMMIT (4k x 4k)</film_or_detector_model>
                            <number_real_images>381</number_real_images>
                            <average_electron_dose_per_image units="e/&#8491;^2">45</average_electron_dose_per_image>
                            <details>Every image is the average of 38 frames recorded by the direct electron detector.</details>
                        </image_recording>
                    </image_recording_list>
                </single_particle_microscopy>
            </microscopy_list>
            <singleparticle_processing image_processing_id="1">
                <details>The particles were selected using an automatic selection program.</details>
                <ctf_correction>
                    <details>Each micrograph</details>
                </ctf_correction>
                <final_reconstruction>
                    <resolution res_type="BY AUTHOR" units="&#8491;">3.47</resolution>
                    <resolution_method>OTHER</resolution_method>
                    <software_list>
                        <software>
                            <name>CTFFIND3, EMAN2, Relion</name>
                        </software>
                    </software_list>
                    <number_images_used>39439</number_images_used>
                </final_reconstruction>
                <final_two_d_classification>
                    <number_classes>8</number_classes>
                </final_two_d_classification>
            </singleparticle_processing>
        </structure_determination>
    </structure_determination_list>
    <map format="CCP4" size_kbytes="65537">
        <file>emd_6631.map.gz</file>
        <symmetry>
            <space_group>1</space_group>
        </symmetry>
        <data_type>IMAGE STORED AS FLOATING POINT NUMBER (4 BYTES)</data_type>
        <dimensions>
            <col>256</col>
            <row>256</row>
            <sec>256</sec>
        </dimensions>
        <origin>
            <col>0</col>
            <row>0</row>
            <sec>0</sec>
        </origin>
        <spacing>
            <x>256</x>
            <y>256</y>
            <z>256</z>
        </spacing>
        <cell>
            <a units="&#8491;">163.21024</a>
            <b units="&#8491;">163.21024</b>
            <c units="&#8491;">163.21024</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>-0.01948075</minimum>
            <maximum>0.04830972</maximum>
            <average>0.00085844</average>
            <std>0.00407588</std>
        </statistics>
        <pixel_spacing>
            <x units="&#8491;">0.63754</x>
            <y units="&#8491;">0.63754</y>
            <z units="&#8491;">0.63754</z>
        </pixel_spacing>
        <contour_list>
            <contour primary="true">
                <level>0.015</level>
                <source>AUTHOR</source>
            </contour>
        </contour_list>
        <annotation_details>Reconstruction of the BINARY complex of bovine glutamate dehydrogenase with GTP</annotation_details>
        <details>::::EMDATABANK.org::::EMD-6631::::</details>
    </map>
    <interpretation>
        <modelling_list>
            <modelling>
                <initial_model>
                    <access_code>3MW9</access_code>
                    <chain>
                        <chain_id>A</chain_id>
                    </chain>
                </initial_model>
                <refinement_protocol>FLEXIBLE FIT</refinement_protocol>
                <software_list>
                    <software>
                        <name>Chimera, Rosetta, PHENIX, Coot</name>
                    </software>
                </software_list>
                <refinement_space>REAL</refinement_space>
            </modelling>
        </modelling_list>
    </interpretation>
</emd>