<emd emdb_id="EMD-2240" 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>2012-12-07</deposition>
            <header_release>2012-12-26</header_release>
            <map_release>2012-12-26</map_release>
            <update>2012-12-26</update>
        </key_dates>
        <title>3D structure of myosin filaments isolated from human heart muscles by negative stain electron microscopy and single particle image analysis.</title>
        <authors_list>
            <author>AL-Khayat HA</author>
            <author>Kensler RW</author>
            <author>Squire JM</author>
            <author>Marston SB</author>
            <author>Morris EP</author>
        </authors_list>
        <keywords>myosin filaments, human cardiac muscles, single particle analysis, electron microscopy, muscle contraction</keywords>
    </admin>
    <crossreferences>
        <citation_list>
            <primary_citation>
                <journal_citation published="true">
                    <author order="1">Al-Khayat HA</author>
                    <author order="2">Kensler RW</author>
                    <author order="3">Squire JM</author>
                    <author order="4">Marston SB</author>
                    <author order="5">Morris EP</author>
                    <title>Atomic model of the human cardiac muscle myosin filament.</title>
                    <journal>PROC.NAT.ACAD.SCI.USA</journal>
                    <volume>110</volume>
                    <first_page>318</first_page>
                    <last_page>323</last_page>
                    <year>2013</year>
                    <external_references type="PUBMED">23251030</external_references>
                    <external_references type="DOI">doi:10.1073/pnas.1212708110</external_references>
                </journal_citation>
            </primary_citation>
        </citation_list>
    </crossreferences>
    <sample>
        <name>3D map of human cardiac myosin filament</name>
        <supramolecule_list>
            <sample_supramolecule supramolecule_id="1000">
                <name>3D map of human cardiac myosin filament</name>
                <number_unique_components>1</number_unique_components>
            </sample_supramolecule>
        </supramolecule_list>
        <macromolecule_list>
            <protein_or_peptide macromolecule_id="1">
                <name>myosin filament</name>
                <natural_source database="NCBI">
                    <organism ncbi="9606">Homo sapiens</organism>
                    <synonym_organism>human</synonym_organism>
                </natural_source>
                <details>3D map of human cardiac myosin filament</details>
                <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>
            <specimen_preparation_list>
                <subtomogram_averaging_preparation preparation_id="1">
                    <vitrification>
                        <cryogen_name>NONE</cryogen_name>
                        <instrument>OTHER</instrument>
                    </vitrification>
                </subtomogram_averaging_preparation>
            </specimen_preparation_list>
            <microscopy_list>
                <subtomogram_averaging_microscopy microscopy_id="1">
                    <microscope>FEI TECNAI 20</microscope>
                    <illumination_mode>SPOT SCAN</illumination_mode>
                    <imaging_mode>OTHER</imaging_mode>
                    <electron_source>FIELD EMISSION GUN</electron_source>
                    <acceleration_voltage units="kV">200</acceleration_voltage>
                    <nominal_magnification>29000.0</nominal_magnification>
                    <specimen_holder_model>OTHER</specimen_holder_model>
                    <date>2012-05-15</date>
                    <image_recording_list>
                        <image_recording>
                            <film_or_detector_model category="CCD">TVIPS TEMCAM-F415 (4k x 4k)</film_or_detector_model>
                            <digitization_details>
                                <sampling_interval units="&#181;m">17</sampling_interval>
                            </digitization_details>
                            <number_real_images>237</number_real_images>
                            <average_electron_dose_per_image units="e/&#8491;^2">100</average_electron_dose_per_image>
                            <bits_per_pixel>16.</bits_per_pixel>
                        </image_recording>
                    </image_recording_list>
                    <tilt_series>
                        <axis1 />
                    </tilt_series>
                </subtomogram_averaging_microscopy>
            </microscopy_list>
            <subtomogram_averaging_processing image_processing_id="1">
                <details>Average number of tilts used in the 3D reconstructions: 285.</details>
                <final_reconstruction>
                    <algorithm>OTHER</algorithm>
                    <resolution res_type="BY AUTHOR" units="&#8491;">28.0</resolution>
                    <resolution_method>OTHER</resolution_method>
                    <software_list>
                        <software>
                            <name>imagic</name>
                        </software>
                    </software_list>
                </final_reconstruction>
            </subtomogram_averaging_processing>
        </structure_determination>
    </structure_determination_list>
    <map format="CCP4" size_kbytes="16001">
        <file>emd_2240.map.gz</file>
        <symmetry>
            <space_group>1</space_group>
        </symmetry>
        <data_type>IMAGE STORED AS FLOATING POINT NUMBER (4 BYTES)</data_type>
        <dimensions>
            <col>160</col>
            <row>160</row>
            <sec>160</sec>
        </dimensions>
        <origin>
            <col>-80</col>
            <row>-79</row>
            <sec>-80</sec>
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            <x>160</x>
            <y>160</y>
            <z>160</z>
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        <cell>
            <a units="&#8491;">950.4</a>
            <b units="&#8491;">950.4</b>
            <c units="&#8491;">950.4</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>-8.24266529</minimum>
            <maximum>12.488184929999999</maximum>
            <average>0.04301857</average>
            <std>0.77574736</std>
        </statistics>
        <pixel_spacing>
            <x units="&#8491;">5.94</x>
            <y units="&#8491;">5.94</y>
            <z units="&#8491;">5.94</z>
        </pixel_spacing>
        <contour_list>
            <contour primary="true">
                <level>1.5</level>
                <source>AUTHOR</source>
            </contour>
        </contour_list>
        <annotation_details>3D map of human cardiac myosin filament</annotation_details>
        <details>::::EMDATABANK.org::::EMD-2240::::</details>
    </map>
    <interpretation>
        <modelling_list>
            <modelling>
                <initial_model>
                    <access_code>1myo</access_code>
                </initial_model>
                <refinement_protocol>RIGID BODY FIT</refinement_protocol>
                <software_list>
                    <software>
                        <name>pymol and veda</name>
                    </software>
                </software_list>
                <details>Protocol: rigid body</details>
                <refinement_space>REAL</refinement_space>
            </modelling>
        </modelling_list>
    </interpretation>
</emd>