<?xml version="1.0" encoding="UTF-8"?>
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    <admin>
        <current_status>
            <date>2019-12-11</date>
            <code>REL</code>
            <processing_site>RCSB</processing_site>
        </current_status>
        <sites>
            <deposition>RCSB</deposition>
            <last_processing>RCSB</last_processing>
        </sites>
        <key_dates>
            <deposition>2018-10-01</deposition>
            <header_release>2018-10-24</header_release>
            <map_release>2019-02-27</map_release>
            <update>2019-12-11</update>
        </key_dates>
        <grant_support>
            <grant_reference>
                <funding_body>National Institutes of Health/National Human Genome Research Institute (NIH/NHGRI)</funding_body>
                <code>GM031627</code>
                <country>United States</country>
            </grant_reference>
            <grant_reference>
                <funding_body>Howard Hughes Medical Institute (HHMI)</funding_body>
                <country>United States</country>
            </grant_reference>
            <grant_reference>
                <funding_body>National Institutes of Health/National Human Genome Research Institute (NIH/NHGRI)</funding_body>
                <code>GM118099</code>
                <country>United States</country>
            </grant_reference>
            <grant_reference>
                <funding_body>European Union (EU)</funding_body>
                <code>SAF2017-84565-R</code>
                <country>European Union</country>
            </grant_reference>
        </grant_support>
        <title>Electron cryo-tomography and subtomogram averaging of microtubule triplet from procentriole</title>
        <authors_list>
            <author>Li S</author>
            <author>Fernandez JJ</author>
            <author>Marshall W</author>
            <author>Agard DA</author>
        </authors_list>
    </admin>
    <crossreferences>
        <citation_list>
            <primary_citation>
                <journal_citation published="true">
                    <author order="1">Li S</author>
                    <author order="2">Fernandez JJ</author>
                    <author order="3">Marshall WF</author>
                    <author order="4">Agard DA</author>
                    <title>Electron cryo-tomography provides insight into procentriole architecture and assembly mechanism.</title>
                    <journal_abbreviation>Elife</journal_abbreviation>
                    <country>US</country>
                    <volume>8</volume>
                    <year>2019</year>
                    <external_references type="PUBMED">30741631</external_references>
                    <external_references type="DOI">doi:10.7554/eLife.43434</external_references>
                    <external_references type="ISSN">2050-084X</external_references>
                </journal_citation>
            </primary_citation>
        </citation_list>
        <emdb_list>
            <emdb_reference>
                <emdb_id>EMD-9174</emdb_id>
                <relationship>
                    <other>associated EM volume</other>
                </relationship>
            </emdb_reference>
        </emdb_list>
    </crossreferences>
    <sample>
        <name>Centriole</name>
        <supramolecule_list>
            <organelle_or_cellular_component_supramolecule supramolecule_id="1">
                <name>Centriole</name>
                <parent>0</parent>
                <details>isolated centriole and procentriole</details>
                <natural_source database="NCBI">
                    <organism ncbi="3055">Chlamydomonas reinhardtii</organism>
                    <strain>CC849</strain>
                </natural_source>
            </organelle_or_cellular_component_supramolecule>
        </supramolecule_list>
    </sample>
    <structure_determination_list>
        <structure_determination structure_determination_id="1">
            <method>subtomogramAveraging</method>
            <aggregation_state>cell</aggregation_state>
            <specimen_preparation_list>
                <subtomogram_averaging_preparation preparation_id="1">
                    <buffer>
                        <ph>7</ph>
                    </buffer>
                    <vitrification>
                        <cryogen_name>ETHANE</cryogen_name>
                        <details></details>
                    </vitrification>
                </subtomogram_averaging_preparation>
            </specimen_preparation_list>
            <microscopy_list>
                <subtomogram_averaging_microscopy microscopy_id="1">
                    <microscope>FEI POLARA 300</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>
                            <detector_mode>COUNTING</detector_mode>
                            <digitization_details>
                                <dimensions>
                                    <width units="pixel">4000</width>
                                    <height units="pixel">4000</height>
                                </dimensions>
                                <sampling_interval units="µm">5.0</sampling_interval>
                                <frames_per_image>1-5</frames_per_image>
                            </digitization_details>
                            <average_exposure_time units="s">1.0</average_exposure_time>
                            <average_electron_dose_per_image units="e/Å^2">0.6</average_electron_dose_per_image>
                        </image_recording>
                    </image_recording_list>
                </subtomogram_averaging_microscopy>
            </microscopy_list>
            <subtomogram_averaging_processing image_processing_id="1">
                <image_recording_id>1</image_recording_id>
                <final_reconstruction>
                    <resolution units="Å" res_type="BY AUTHOR">23.1</resolution>
                    <resolution_method>OTHER</resolution_method>
                    <details>Composite map derived from EMDB=9172 and EMDB-9173</details>
                    <number_subtomograms_used>3992</number_subtomograms_used>
                </final_reconstruction>
                <extraction>
                    <number_tomograms>193</number_tomograms>
                    <number_images_used>12937</number_images_used>
                </extraction>
                <final_angle_assignment>
                    <type>MAXIMUM LIKELIHOOD</type>
                </final_angle_assignment>
                <crystal_parameters>
                    <unit_cell>
                        <a units="Å">1181</a>
                        <b units="Å">868</b>
                        <c units="Å">612</c>
                        <gamma units="deg">90</gamma>
                        <alpha units="deg">90</alpha>
                        <beta units="deg">90</beta>
                    </unit_cell>
                    <space_group>C1</space_group>
                </crystal_parameters>
            </subtomogram_averaging_processing>
        </structure_determination>
    </structure_determination_list>
    <map format="CCP4" size_kbytes="22403">
        <file>emd_9174.map.gz</file>
        <symmetry>
            <space_group>1</space_group>
        </symmetry>
        <data_type>IMAGE STORED AS FLOATING POINT NUMBER (4 BYTES)</data_type>
        <dimensions>
            <col>245</col>
            <row>180</row>
            <sec>127</sec>
        </dimensions>
        <origin>
            <col>-123</col>
            <row>0</row>
            <sec>-5</sec>
        </origin>
        <spacing>
            <x>245</x>
            <y>180</y>
            <z>127</z>
        </spacing>
        <cell>
            <a units="Å">1180.9</a>
            <b units="Å">867.60004</b>
            <c units="Å">612.14</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>-13.490154</minimum>
            <maximum>13.965995</maximum>
            <average>0.022271167</average>
            <std>0.929657</std>
        </statistics>
        <pixel_spacing>
            <x units="Å">4.82</x>
            <y units="Å">4.82</y>
            <z units="Å">4.82</z>
        </pixel_spacing>
        <contour_list>
            <contour primary="true">
                <level>2.7</level>
                <source>AUTHOR</source>
            </contour>
        </contour_list>
        <label>::::EMDATABANK.org::::EMD-9174::::</label>
        <annotation_details>A composite map derived from EMDB-9172 and EMDB-9173 as a complete A-C linker with the A- and C-tubule associated to, in procentriole from Chlamydomonas reinhardtii</annotation_details>
    </map>
</emd>
