<?xml version="1.0" encoding="UTF-8"?>
<emd xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:noNamespaceSchemaLocation="https://ftp.ebi.ac.uk/pub/databases/em_ebi/emdb_related/emdb-schemas/emdb_schemas/v3/v3_0_10_1/emdb.xsd" version="3.0.10.1" emdb_id="EMD-3576">
    <admin>
        <current_status>
            <date>2025-04-09</date>
            <code>REL</code>
            <processing_site>PDBe</processing_site>
        </current_status>
        <revision_history>
            <revision version="1.0" date="2017-11-29">
                <change_list>
                    <model>
                        <revision_type>INITIAL_RELEASE</revision_type>
                        <provider>REPOSITORY</provider>
                    </model>
                    <metadata>
                        <revision_type>INITIAL_RELEASE</revision_type>
                        <provider>REPOSITORY</provider>
                    </metadata>
                    <image>
                        <revision_type>INITIAL_RELEASE</revision_type>
                        <provider>REPOSITORY</provider>
                    </image>
                    <primary_map>
                        <revision_type>INITIAL_RELEASE</revision_type>
                        <provider>REPOSITORY</provider>
                    </primary_map>
                </change_list>
            </revision>
            <revision version="1.1" date="2025-04-09">
                <change_list>
                    <model>
                        <revision_group>STRUCTURE_SUMMARY</revision_group>
                        <categories>
                            <category>chem_comp_atom</category>
                            <category>chem_comp_bond</category>
                            <category>database_2</category>
                            <category>em_admin</category>
                            <category>pdbx_entry_details</category>
                            <category>pdbx_modification_feature</category>
                        </categories>
                        <items>
                            <item>_database_2.pdbx_DOI</item>
                            <item>_database_2.pdbx_database_accession</item>
                            <item>_em_admin.last_update</item>
                        </items>
                    </model>
                    <metadata>
                        <revision_group>EXPERIMENTAL_SUMMARY</revision_group>
                        <categories>
                            <category>database_2</category>
                            <category>em_admin</category>
                        </categories>
                        <items>
                            <item>_database_2.pdbx_DOI</item>
                            <item>_database_2.pdbx_database_accession</item>
                            <item>_em_admin.last_update</item>
                        </items>
                    </metadata>
                </change_list>
            </revision>
        </revision_history>
        <sites>
            <deposition>PDBe</deposition>
            <last_processing>PDBe</last_processing>
        </sites>
        <key_dates>
            <deposition>2017-01-16</deposition>
            <header_release>2017-08-30</header_release>
            <map_release>2017-11-29</map_release>
            <update>2025-04-09</update>
        </key_dates>
        <grant_support>
            <grant_reference>
                <funding_body>British Heart Foundation</funding_body>
                <code>FS/14/18/30711</code>
                <country>United Kingdom</country>
            </grant_reference>
        </grant_support>
        <title>Structure of the thin filament at high calcium concentration</title>
        <authors_list>
            <author>Paul DM</author>
            <author>Squire JM</author>
        </authors_list>
        <keywords>Thin filament, troponin, actin, tropomyosin, Structural protein</keywords>
    </admin>
    <crossreferences>
        <citation_list>
            <primary_citation>
                <journal_citation published="true">
                    <author order="1">Paul DM</author>
                    <author order="2">Squire JM</author>
                    <author order="3">Morris EP</author>
                    <title>Relaxed and active thin filament structures; a new structural basis for the regulatory mechanism.</title>
                    <journal_abbreviation>J. Struct. Biol.</journal_abbreviation>
                    <country>US</country>
                    <volume>197</volume>
                    <first_page>365</first_page>
                    <last_page>371</last_page>
                    <year>2017</year>
                    <external_references type="PUBMED">28161413</external_references>
                    <external_references type="DOI">doi:10.1016/j.jsb.2017.01.004</external_references>
                    <external_references type="ISSN">1095-8657</external_references>
                    <external_references type="CSD">0803</external_references>
                    <external_references type="ASTM">JSBIEM</external_references>
                </journal_citation>
            </primary_citation>
        </citation_list>
        <pdb_list>
            <pdb_reference>
                <pdb_id>5mva</pdb_id>
                <relationship>
                    <in_frame>FULLOVERLAP</in_frame>
                </relationship>
            </pdb_reference>
        </pdb_list>
    </crossreferences>
    <sample>
        <name>Thin filament at high calcium concentration</name>
        <supramolecule_list>
            <complex_supramolecule supramolecule_id="1">
                <name>Thin filament at high calcium concentration</name>
                <parent>0</parent>
                <macromolecule_list>
                    <macromolecule>
                        <macromolecule_id>1</macromolecule_id>
                    </macromolecule>
                </macromolecule_list>
                <natural_source database="NCBI">
                    <organism ncbi="9986">Oryctolagus cuniculus</organism>
                </natural_source>
            </complex_supramolecule>
        </supramolecule_list>
        <macromolecule_list>
            <protein_or_peptide macromolecule_id="1">
                <name>Actin, alpha skeletal muscle</name>
                <natural_source database="NCBI">
                    <organism ncbi="9986">Oryctolagus cuniculus</organism>
                </natural_source>
                <molecular_weight>
                    <theoretical units="MDa">0.041875633</theoretical>
                </molecular_weight>
                <number_of_copies>23</number_of_copies>
                <enantiomer>LEVO</enantiomer>
                <sequence>
                    <string>DEDETTALVCDNGSGLVKAGFAGDDAPRAVFPSIVGRPRHQGVMVGMGQKDSYVGDEAQSKRGILTLKYPIE(HIC)GII
TNWDDMEKIWHHTFYNELRVAPEEHPTLLTEAPLNPKANREKMTQIMFETFNVPAMYVAIQAVLSLYASGRTTGIVLDSG
DGVTHNVPIYEGYALPHAIMRLDLAGRDLTDYLMKILTERGYSFVTTAEREIVRDIKEKLCYVALDFENEMATAASSSSL
EKSYELPDGQVITIGNERFRCPETLFQPSFIGMESAGIHETTYNSIMKCDIDIRKDLYANNVMSGGTTMYPGIADRMQKE
ITALAPSTMKIKIIAPPERKYSVWIGGSILASLSTFQQMWITKQEYDEAGPSIVHRKCF</string>
                    <external_references type="UNIPROTKB">P68135</external_references>
                </sequence>
            </protein_or_peptide>
            <ligand macromolecule_id="2">
                <name>ADENOSINE-5'-DIPHOSPHATE</name>
                <molecular_weight>
                    <theoretical units="MDa">0.000427201</theoretical>
                </molecular_weight>
                <number_of_copies>23</number_of_copies>
                <formula>ADP</formula>
            </ligand>
        </macromolecule_list>
    </sample>
    <structure_determination_list>
        <structure_determination structure_determination_id="1">
            <method>singleParticle</method>
            <aggregation_state>filament</aggregation_state>
            <specimen_preparation_list>
                <single_particle_preparation preparation_id="1">
                    <buffer>
                        <ph>7.0</ph>
                    </buffer>
                    <staining>
                        <type>NEGATIVE</type>
                        <material>Uranyl Acetate</material>
                    </staining>
                </single_particle_preparation>
            </specimen_preparation_list>
            <microscopy_list>
                <single_particle_microscopy microscopy_id="1">
                    <microscope>FEI/PHILIPS CM12</microscope>
                    <illumination_mode>FLOOD BEAM</illumination_mode>
                    <imaging_mode>BRIGHT FIELD</imaging_mode>
                    <electron_source>LAB6</electron_source>
                    <acceleration_voltage units="kV">120</acceleration_voltage>
                    <image_recording_list>
                        <image_recording image_recording_id="1">
                            <film_or_detector_model>AGFA SCIENTA FILM</film_or_detector_model>
                            <digitization_details>
                                <scanner>ZEISS SCAI</scanner>
                            </digitization_details>
                            <average_electron_dose_per_image units="e/Å^2">12.0</average_electron_dose_per_image>
                        </image_recording>
                    </image_recording_list>
                </single_particle_microscopy>
            </microscopy_list>
            <singleparticle_processing image_processing_id="1">
                <image_recording_id>1</image_recording_id>
                <startup_model type_of_model="OTHER"/>
                <final_reconstruction>
                    <resolution units="Å" res_type="BY AUTHOR">27.7</resolution>
                    <resolution_method>FSC 0.5 CUT-OFF</resolution_method>
                    <number_images_used>1680</number_images_used>
                </final_reconstruction>
                <initial_angle_assignment>
                    <type>OTHER</type>
                </initial_angle_assignment>
                <final_angle_assignment>
                    <type>PROJECTION MATCHING</type>
                    <projection_matching_processing/>
                </final_angle_assignment>
            </singleparticle_processing>
        </structure_determination>
    </structure_determination_list>
    <map format="CCP4" size_kbytes="3539">
        <file>emd_3576.map.gz</file>
        <symmetry>
            <space_group>1</space_group>
        </symmetry>
        <data_type>IMAGE STORED AS FLOATING POINT NUMBER (4 BYTES)</data_type>
        <dimensions>
            <col>96</col>
            <row>96</row>
            <sec>96</sec>
        </dimensions>
        <origin>
            <col>-50</col>
            <row>-50</row>
            <sec>-50</sec>
        </origin>
        <spacing>
            <x>96</x>
            <y>96</y>
            <z>96</z>
        </spacing>
        <cell>
            <a units="Å">633.6</a>
            <b units="Å">633.6</b>
            <c units="Å">633.6</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>-12.902359000000001</minimum>
            <maximum>24.301378</maximum>
            <average>0.0013400215</average>
            <std>0.9243033</std>
        </statistics>
        <pixel_spacing>
            <x units="Å">6.6</x>
            <y units="Å">6.6</y>
            <z units="Å">6.6</z>
        </pixel_spacing>
        <contour_list>
            <contour primary="true">
                <level>2.0</level>
                <source>AUTHOR</source>
            </contour>
        </contour_list>
        <label>::::EMDATABANK.org::::EMD-3576::::</label>
        <annotation_details>Thin Filament at High Calcium concentration</annotation_details>
    </map>
</emd>
