<emd emdb_id="EMD-5319" 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>2011-07-05</deposition>
            <header_release>2011-07-13</header_release>
            <map_release>2011-08-31</map_release>
            <update>2011-09-07</update>
        </key_dates>
        <title>Three-dimensional structure of bovine respirasome by single particle cryo-electron tomography</title>
        <authors_list>
            <author>Dudkina NV</author>
            <author>Kudryashev M</author>
            <author>Stahlberg H</author>
            <author>Boekema EJ</author>
        </authors_list>
        <keywords>Oxidative phosphorylation, mitochondria</keywords>
    </admin>
    <crossreferences>
        <citation_list>
            <primary_citation>
                <journal_citation published="true">
                    <author order="1">Dudkina NV</author>
                    <author order="2">Kudryashev M</author>
                    <author order="3">Stahlberg H</author>
                    <author order="4">Boekema EJ</author>
                    <title>Interaction of complexes I, III, and IV within the bovine respirasome by single particle cryoelectron tomography.</title>
                    <journal>PROC.NAT.ACAD.SCI.USA</journal>
                    <volume>108</volume>
                    <first_page>15196</first_page>
                    <last_page>15200</last_page>
                    <year>2011</year>
                    <external_references type="PUBMED">21876144</external_references>
                    <external_references type="DOI">doi:10.1073/pnas.1107819108</external_references>
                </journal_citation>
            </primary_citation>
        </citation_list>
    </crossreferences>
    <sample>
        <name>Respirasome from bovine mitochondria</name>
        <supramolecule_list>
            <sample_supramolecule supramolecule_id="1000">
                <name>Respirasome from bovine mitochondria</name>
                <details>The sample was thawed from storage at -80 degrees Celcius before being loaded onto the grid.</details>
                <oligomeric_state>One monomer of NADH dehydrogenase binds to one dimer of cytochrome bc1 and one monomer of cytochrome c oxidase</oligomeric_state>
                <number_unique_components>1</number_unique_components>
                <molecular_weight>
                    <experimental units="MDa">1.7</experimental>
                    <theoretical units="MDa">1.7</theoretical>
                    <method>blue-native gel electrophoresis</method>
                </molecular_weight>
            </sample_supramolecule>
        </supramolecule_list>
        <macromolecule_list>
            <protein_or_peptide macromolecule_id="1">
                <name synonym="respirasome">respirasome</name>
                <natural_source database="NCBI">
                    <organism ncbi="9913">Bos taurus</organism>
                    <strain>wild type</strain>
                    <synonym_organism>bovine</synonym_organism>
                    <tissue>heart</tissue>
                    <cell>heart muscle cells</cell>
                    <organelle>mitochondrion</organelle>
                    <cellular_location>inner mitochondrial membrane</cellular_location>
                </natural_source>
                <molecular_weight>
                    <experimental units="MDa">1.7</experimental>
                    <theoretical units="MDa">1.7</theoretical>
                </molecular_weight>
                <details>Solubilized with digitonin</details>
                <number_of_copies>1</number_of_copies>
                <oligomeric_state>monomer</oligomeric_state>
                <recombinant_exp_flag>false</recombinant_exp_flag>
                <recombinant_expression database="NCBI" />
                <sequence />
            </protein_or_peptide>
        </macromolecule_list>
    </sample>
    <structure_determination_list>
        <structure_determination structure_determination_id="1">
            <method>subtomogramAveraging</method>
            <aggregation_state>particle</aggregation_state>
            <specimen_preparation_list>
                <subtomogram_averaging_preparation preparation_id="1">
                    <concentration units="mg/mL">0.5</concentration>
                    <buffer>
                        <ph>7.0</ph>
                        <details>25 mM Tricine, 7.5 mM Bis-Tris, 0.1 mM PMSF, 0.01% digitonin</details>
                    </buffer>
                    <staining>
                        <type>NEGATIVE</type>
                        <details>2.5 microliters were mixed with 10-nm gold particles as fiducial markers and applied on glow-discharged 200 mesh Quantifoil support grids with an additional carbon support film. Grids were blotted at 100% humidity for 4-6 seconds at a blot offset (the longitudinal grid positioning) setting of -3.5, using a Vitrobot Mk3 (FEI).</details>
                    </staining>
                    <grid>
                        <details>200 mesh copper Quantifoil grids with an additional carbon support film</details>
                    </grid>
                    <vitrification>
                        <cryogen_name>ETHANE</cryogen_name>
                        <chamber_humidity units="percentage">100</chamber_humidity>
                        <chamber_temperature units="K">89</chamber_temperature>
                        <instrument>FEI VITROBOT MARK III</instrument>
                        <details>Vitrification instrument: Vitrobot Mk3 (FEI)</details>
                        <method>Blot for 4-6 seconds before plunging</method>
                    </vitrification>
                </subtomogram_averaging_preparation>
            </specimen_preparation_list>
            <microscopy_list>
                <subtomogram_averaging_microscopy microscopy_id="1">
                    <microscope>FEI POLARA 300</microscope>
                    <illumination_mode>SPOT SCAN</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">2.0</nominal_cs>
                    <nominal_defocus_min units="&#181;m">2.0</nominal_defocus_min>
                    <nominal_defocus_max units="&#181;m">2.0</nominal_defocus_max>
                    <nominal_magnification>34000.0</nominal_magnification>
                    <specimen_holder_model>SIDE ENTRY, EUCENTRIC</specimen_holder_model>
                    <temperature>
                        <temperature_min units="K">15</temperature_min>
                        <temperature_average units="K">77</temperature_average>
                    </temperature>
                    <alignment_procedure>
                        <legacy>
                            <astigmatism>objective lens astigmatism was corrected at 34,000 times magnification</astigmatism>
                            <electron_beam_tilt_params>0</electron_beam_tilt_params>
                        </legacy>
                    </alignment_procedure>
                    <specialist_optics>
                        <energy_filter>
                            <name>FEI</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>
                    <date>2010-03-01</date>
                    <image_recording_list>
                        <image_recording>
                            <film_or_detector_model category="CCD">GENERIC GATAN (2k x 2k)</film_or_detector_model>
                            <digitization_details>
                                <sampling_interval units="&#181;m">0.38</sampling_interval>
                            </digitization_details>
                            <number_real_images>21</number_real_images>
                            <average_electron_dose_per_image units="e/&#8491;^2">80</average_electron_dose_per_image>
                        </image_recording>
                    </image_recording_list>
                    <specimen_holder>Multispecimen holder</specimen_holder>
                    <tilt_series>
                        <axis1>
                            <min_angle units="deg">-70</min_angle>
                            <max_angle units="deg">70</max_angle>
                        </axis1>
                    </tilt_series>
                </subtomogram_averaging_microscopy>
            </microscopy_list>
            <subtomogram_averaging_processing image_processing_id="1">
                <details>The particles were selected from the tomograms by cross-correlation to an artificial globular reference followed by manual selection of particle volumes. Average number of projections used in the 3D reconstructions: 2466. Average number of class averages: 1.</details>
                <final_reconstruction>
                    <algorithm>OTHER</algorithm>
                    <resolution res_type="BY AUTHOR" units="&#8491;">22.0</resolution>
                    <resolution_method>OTHER</resolution_method>
                    <software_list>
                        <software>
                            <name>IMOD, XMIPP, AV3</name>
                        </software>
                    </software_list>
                </final_reconstruction>
            </subtomogram_averaging_processing>
        </structure_determination>
    </structure_determination_list>
    <map format="CCP4" size_kbytes="8193">
        <file>emd_5319.map.gz</file>
        <symmetry>
            <space_group>1</space_group>
        </symmetry>
        <data_type>IMAGE STORED AS FLOATING POINT NUMBER (4 BYTES)</data_type>
        <dimensions>
            <col>128</col>
            <row>128</row>
            <sec>128</sec>
        </dimensions>
        <origin>
            <col>0</col>
            <row>0</row>
            <sec>0</sec>
        </origin>
        <spacing>
            <x>128</x>
            <y>128</y>
            <z>128</z>
        </spacing>
        <cell>
            <a units="&#8491;">486.4</a>
            <b units="&#8491;">486.4</b>
            <c units="&#8491;">486.4</c>
            <alpha units="deg">90</alpha>
            <beta units="deg">90</beta>
            <gamma units="deg">90</gamma>
        </cell>
        <axis_order>
            <fast>X</fast>
            <medium>Y</medium>
            <slow>Z</slow>
        </axis_order>
        <statistics>
            <minimum>-0.230164</minimum>
            <maximum>0.38968</maximum>
            <average>0.000151277</average>
            <std>0.0353204</std>
        </statistics>
        <pixel_spacing>
            <x units="&#8491;">3.8</x>
            <y units="&#8491;">3.8</y>
            <z units="&#8491;">3.8</z>
        </pixel_spacing>
        <contour_list>
            <contour primary="true">
                <level>0.1</level>
                <source>AUTHOR</source>
            </contour>
        </contour_list>
        <annotation_details>EM map of respirasome from bovine mitochondria</annotation_details>
        <details>::::EMDATABANK.org::::EMD-5319::::</details>
    </map>
    <interpretation>
        <modelling_list>
            <modelling>
                <initial_model>
                    <access_code>1BGY</access_code>
                </initial_model>
                <refinement_protocol>RIGID BODY FIT</refinement_protocol>
                <software_list>
                    <software>
                        <name>UCSF Chimera</name>
                    </software>
                </software_list>
                <details>Protocol: Rigid Body</details>
                <target_criteria>cross correlation</target_criteria>
                <refinement_space>REAL</refinement_space>
            </modelling>
            <modelling>
                <initial_model>
                    <access_code>1OCC</access_code>
                </initial_model>
                <refinement_protocol>RIGID BODY FIT</refinement_protocol>
                <software_list>
                    <software>
                        <name>UCSF Chimera</name>
                    </software>
                </software_list>
                <details>Protocol: Rigid Body</details>
                <target_criteria>cross correlation</target_criteria>
                <refinement_space>REAL</refinement_space>
            </modelling>
            <modelling>
                <initial_model>
                    <access_code>3M9S</access_code>
                </initial_model>
                <refinement_protocol>RIGID BODY FIT</refinement_protocol>
                <software_list>
                    <software>
                        <name>UCSF Chimera</name>
                    </software>
                </software_list>
                <details>Protocol: Rigid Body</details>
                <target_criteria>cross correlation</target_criteria>
                <refinement_space>REAL</refinement_space>
            </modelling>
        </modelling_list>
    </interpretation>
</emd>