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    <admin>
        <current_status>
            <date>2024-05-22</date>
            <code>REL</code>
            <processing_site>PDBe</processing_site>
        </current_status>
        <sites>
            <deposition>PDBe</deposition>
            <last_processing>PDBe</last_processing>
        </sites>
        <key_dates>
            <deposition>2019-07-29</deposition>
            <header_release>2019-08-14</header_release>
            <map_release>2019-08-14</map_release>
            <update>2024-05-22</update>
        </key_dates>
        <grant_support>
            <grant_reference>
                <funding_body>Research Council of Norway</funding_body>
                <code>263195</code>
                <country>Norway</country>
            </grant_reference>
            <grant_reference>
                <funding_body>European Research Council</funding_body>
                <code>ERC-smallRNAhet-309584</code>
                <country>Germany</country>
            </grant_reference>
        </grant_support>
        <title>Class2A : CENP-A nucleosome in complex with CENP-C central region</title>
        <authors_list>
            <author>Ali-Ahmad A</author>
            <author>Bilokapic S</author>
        </authors_list>
        <keywords>CENP-A, nucleosome, centromere, centromeric chromatin, NUCLEAR PROTEIN</keywords>
    </admin>
    <crossreferences>
        <citation_list>
            <primary_citation>
                <journal_citation published="true">
                    <author order="1">Ali-Ahmad A</author>
                    <author order="2">Bilokapic S</author>
                    <author order="3">Schafer IB</author>
                    <author ORCID="0000-0002-0061-7372" order="4">Halic M</author>
                    <author ORCID="0000-0002-8027-9114" order="5">Sekulic N</author>
                    <title>CENP-C unwraps the human CENP-A nucleosome through the H2A C-terminal tail.</title>
                    <journal_abbreviation>Embo Rep.</journal_abbreviation>
                    <country>UK</country>
                    <volume>20</volume>
                    <first_page>e48913</first_page>
                    <last_page>e48913</last_page>
                    <year>2019</year>
                    <external_references type="PUBMED">31475439</external_references>
                    <external_references type="DOI">doi:10.15252/embr.201948913</external_references>
                    <external_references type="ISSN">1469-3178</external_references>
                </journal_citation>
            </primary_citation>
        </citation_list>
        <pdb_list>
            <pdb_reference>
                <pdb_id>6see</pdb_id>
                <relationship>
                    <in_frame>FULLOVERLAP</in_frame>
                </relationship>
            </pdb_reference>
        </pdb_list>
    </crossreferences>
    <sample>
        <name>CENP-A nucleosome in complex with CENP-C central domain</name>
        <supramolecule_list>
            <complex_supramolecule supramolecule_id="1">
                <name>CENP-A nucleosome in complex with CENP-C central domain</name>
                <parent>0</parent>
                <macromolecule_list>
                    <macromolecule>
                        <macromolecule_id>1</macromolecule_id>
                    </macromolecule>
                    <macromolecule>
                        <macromolecule_id>2</macromolecule_id>
                    </macromolecule>
                    <macromolecule>
                        <macromolecule_id>3</macromolecule_id>
                    </macromolecule>
                    <macromolecule>
                        <macromolecule_id>4</macromolecule_id>
                    </macromolecule>
                    <macromolecule>
                        <macromolecule_id>5</macromolecule_id>
                    </macromolecule>
                    <macromolecule>
                        <macromolecule_id>6</macromolecule_id>
                    </macromolecule>
                    <macromolecule>
                        <macromolecule_id>7</macromolecule_id>
                    </macromolecule>
                </macromolecule_list>
            </complex_supramolecule>
            <complex_supramolecule supramolecule_id="2">
                <name>Nucleosome</name>
                <parent>1</parent>
                <macromolecule_list>
                    <macromolecule>
                        <macromolecule_id>1</macromolecule_id>
                    </macromolecule>
                    <macromolecule>
                        <macromolecule_id>2</macromolecule_id>
                    </macromolecule>
                    <macromolecule>
                        <macromolecule_id>3</macromolecule_id>
                    </macromolecule>
                    <macromolecule>
                        <macromolecule_id>4</macromolecule_id>
                    </macromolecule>
                    <macromolecule>
                        <macromolecule_id>7</macromolecule_id>
                    </macromolecule>
                </macromolecule_list>
                <natural_source database="NCBI">
                    <organism ncbi="9606">Homo sapiens</organism>
                </natural_source>
            </complex_supramolecule>
            <complex_supramolecule supramolecule_id="3">
                <name>DNA</name>
                <parent>1</parent>
                <macromolecule_list>
                    <macromolecule>
                        <macromolecule_id>5</macromolecule_id>
                    </macromolecule>
                    <macromolecule>
                        <macromolecule_id>6</macromolecule_id>
                    </macromolecule>
                </macromolecule_list>
                <natural_source database="NCBI">
                    <organism ncbi="32630">synthetic construct</organism>
                </natural_source>
            </complex_supramolecule>
        </supramolecule_list>
        <macromolecule_list>
            <protein_or_peptide macromolecule_id="1">
                <name>Histone H3-like centromeric protein A</name>
                <natural_source database="NCBI">
                    <organism ncbi="9606">Homo sapiens</organism>
                </natural_source>
                <molecular_weight>
                    <theoretical units="MDa">0.016023629999999997</theoretical>
                </molecular_weight>
                <number_of_copies>2</number_of_copies>
                <recombinant_expression database="NCBI">
                    <recombinant_organism ncbi="562">Escherichia coli</recombinant_organism>
                </recombinant_expression>
                <enantiomer>LEVO</enantiomer>
                <sequence>
                    <string>MGPRRRSRKPEAPRRRSPSPTPTPGPSRRGPSLGASSHQHSRRRQGWLKEIRKLQKSTHLLIRKLPFSRLAREICVKFTR
GVDFNWQAQALLALQEAAEAFLVHLFEDAYLLTLHAGRVTLFPKDVQLARRIRGLEEGLG</string>
                    <external_references type="UNIPROTKB">P49450</external_references>
                </sequence>
            </protein_or_peptide>
            <protein_or_peptide macromolecule_id="2">
                <name>Histone H4</name>
                <natural_source database="NCBI">
                    <organism ncbi="9606">Homo sapiens</organism>
                </natural_source>
                <molecular_weight>
                    <theoretical units="MDa">0.011394426</theoretical>
                </molecular_weight>
                <number_of_copies>2</number_of_copies>
                <recombinant_expression database="NCBI">
                    <recombinant_organism ncbi="562">Escherichia coli</recombinant_organism>
                </recombinant_expression>
                <enantiomer>LEVO</enantiomer>
                <sequence>
                    <string>MSGRGKGGKGLGKGGAKRHRKVLRDNIQGITKPAIRRLARRGGVKRISGLIYEETRGVLKVFLENVIRDAVTYTEHAKRK
TVTAMDVVYALKRQGRTLYGFGG</string>
                    <external_references type="UNIPROTKB">P62805</external_references>
                </sequence>
            </protein_or_peptide>
            <protein_or_peptide macromolecule_id="3">
                <name>Histone H2A type 2-A</name>
                <natural_source database="NCBI">
                    <organism ncbi="9606">Homo sapiens</organism>
                </natural_source>
                <molecular_weight>
                    <theoretical units="MDa">0.014125549</theoretical>
                </molecular_weight>
                <number_of_copies>2</number_of_copies>
                <recombinant_expression database="NCBI">
                    <recombinant_organism ncbi="562">Escherichia coli</recombinant_organism>
                </recombinant_expression>
                <enantiomer>LEVO</enantiomer>
                <sequence>
                    <string>MSGRGKQGGKARAKAKSRSSRAGLQFPVGRVHRLLRKGNYAERVGAGAPVYMAAVLEYLTAEILELAGNAARDNKKTRII
PRHLQLAIRNDEELNKLLGKVTIAQGGVLPNIQAVLLPKKTESHHKAKGK</string>
                    <external_references type="UNIPROTKB">Q6FI13</external_references>
                </sequence>
            </protein_or_peptide>
            <protein_or_peptide macromolecule_id="4">
                <name>Histone H2B type 1-C/E/F/G/I</name>
                <natural_source database="NCBI">
                    <organism ncbi="9606">Homo sapiens</organism>
                </natural_source>
                <molecular_weight>
                    <theoretical units="MDa">0.013937212999999999</theoretical>
                </molecular_weight>
                <number_of_copies>2</number_of_copies>
                <recombinant_expression database="NCBI">
                    <recombinant_organism ncbi="562">Escherichia coli</recombinant_organism>
                </recombinant_expression>
                <enantiomer>LEVO</enantiomer>
                <sequence>
                    <string>MPEPAKSAPAPKKGSKKAVTKAQKKDGKKRKRSRKESYSVYVYKVLKQVHPDTGISSKAMGIMNSFVNDIFERIAGEASR
LAHYNKRSTITSREIQTAVRLLLPGELAKHAVSEGTKAVTKYTSSK</string>
                    <external_references type="UNIPROTKB">P62807</external_references>
                </sequence>
            </protein_or_peptide>
            <dna macromolecule_id="5">
                <name>DNA (145-MER)</name>
                <natural_source database="NCBI">
                    <organism ncbi="32630">synthetic construct</organism>
                </natural_source>
                <molecular_weight>
                    <theoretical units="MDa">0.044520383</theoretical>
                </molecular_weight>
                <number_of_copies>1</number_of_copies>
                <sequence>
                    <string>(DA)(DT)(DC)(DA)(DG)(DA)(DA)(DT)(DC)(DC)(DC)(DG)(DG)(DT)(DG)(DC)(DC)(DG)(DA)(DG)
(DG)(DC)(DC)(DG)(DC)(DT)(DC)(DA)(DA)(DT)(DT)(DG)(DG)(DT)(DC)(DG)(DT)(DA)(DG)(DA)
(DC)(DA)(DG)(DC)(DT)(DC)(DT)(DA)(DG)(DC)(DA)(DC)(DC)(DG)(DC)(DT)(DT)(DA)(DA)(DA)
(DC)(DG)(DC)(DA)(DC)(DG)(DT)(DA)(DC)(DG)(DC)(DG)(DC)(DT)(DG)(DT)(DC)(DC)(DC)(DC)
(DC)(DG)(DC)(DG)(DT)(DT)(DT)(DT)(DA)(DA)(DC)(DC)(DG)(DC)(DC)(DA)(DA)(DG)(DG)(DG)
(DG)(DA)(DT)(DT)(DA)(DC)(DT)(DC)(DC)(DC)(DT)(DA)(DG)(DT)(DC)(DT)(DC)(DC)(DA)(DG)
(DG)(DC)(DA)(DC)(DG)(DT)(DG)(DT)(DC)(DA)(DG)(DA)(DT)(DA)(DT)(DA)(DT)(DA)(DC)(DA)
(DT)(DC)(DG)(DA)(DT)</string>
                </sequence>
                <classification>DNA</classification>
            </dna>
            <dna macromolecule_id="6">
                <name>DNA (145-MER)</name>
                <natural_source database="NCBI">
                    <organism ncbi="32630">synthetic construct</organism>
                </natural_source>
                <molecular_weight>
                    <theoretical units="MDa">0.04499166</theoretical>
                </molecular_weight>
                <number_of_copies>1</number_of_copies>
                <sequence>
                    <string>(DA)(DT)(DC)(DG)(DA)(DT)(DG)(DT)(DA)(DT)(DA)(DT)(DA)(DT)(DC)(DT)(DG)(DA)(DC)(DA)
(DC)(DG)(DT)(DG)(DC)(DC)(DT)(DG)(DG)(DA)(DG)(DA)(DC)(DT)(DA)(DG)(DG)(DG)(DA)(DG)
(DT)(DA)(DA)(DT)(DC)(DC)(DC)(DC)(DT)(DT)(DG)(DG)(DC)(DG)(DG)(DT)(DT)(DA)(DA)(DA)
(DA)(DC)(DG)(DC)(DG)(DG)(DG)(DG)(DG)(DA)(DC)(DA)(DG)(DC)(DG)(DC)(DG)(DT)(DA)(DC)
(DG)(DT)(DG)(DC)(DG)(DT)(DT)(DT)(DA)(DA)(DG)(DC)(DG)(DG)(DT)(DG)(DC)(DT)(DA)(DG)
(DA)(DG)(DC)(DT)(DG)(DT)(DC)(DT)(DA)(DC)(DG)(DA)(DC)(DC)(DA)(DA)(DT)(DT)(DG)(DA)
(DG)(DC)(DG)(DG)(DC)(DC)(DT)(DC)(DG)(DG)(DC)(DA)(DC)(DC)(DG)(DG)(DG)(DA)(DT)(DT)
(DC)(DT)(DG)(DA)(DT)</string>
                </sequence>
                <classification>DNA</classification>
            </dna>
            <protein_or_peptide macromolecule_id="7">
                <name>Centromere protein C</name>
                <natural_source database="NCBI">
                    <organism ncbi="9606">Homo sapiens</organism>
                </natural_source>
                <molecular_weight>
                    <theoretical units="MDa">0.014204749999999999</theoretical>
                </molecular_weight>
                <number_of_copies>1</number_of_copies>
                <recombinant_expression database="NCBI">
                    <recombinant_organism ncbi="562">Escherichia coli</recombinant_organism>
                </recombinant_expression>
                <enantiomer>LEVO</enantiomer>
                <sequence>
                    <string>GPLGSPEFGRATMAKPAEEQLDVGQSKDENIHTSHITQDEFQRNSDRNMEEHEEMGNDCVSKKQMPPVGSKKSSTRKDKE
ESKKKRFSSESKNKLVPEEVTSTVTKSRRISRRPSDWWVVKSEE</string>
                    <external_references type="UNIPROTKB">Q03188</external_references>
                </sequence>
            </protein_or_peptide>
        </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">1.2</concentration>
                    <buffer>
                        <ph>7.5</ph>
                    </buffer>
                    <vitrification>
                        <cryogen_name>ETHANE</cryogen_name>
                    </vitrification>
                </single_particle_preparation>
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            <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>
                    <image_recording_list>
                        <image_recording image_recording_id="1">
                            <film_or_detector_model>GATAN K2 SUMMIT (4k x 4k)</film_or_detector_model>
                            <average_electron_dose_per_image units="e/Å^2">100.0</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="PDB ENTRY"/>
                <final_reconstruction>
                    <applied_symmetry>
                        <point_group>C1</point_group>
                    </applied_symmetry>
                    <resolution units="Å" res_type="BY AUTHOR">4.2</resolution>
                    <resolution_method>FSC 0.143 CUT-OFF</resolution_method>
                    <number_images_used>11000</number_images_used>
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                <initial_angle_assignment>
                    <type>MAXIMUM LIKELIHOOD</type>
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                <final_angle_assignment>
                    <type>MAXIMUM LIKELIHOOD</type>
                </final_angle_assignment>
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        </structure_determination>
    </structure_determination_list>
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        <annotation_details>Class2A : CENP-A nucleosome in complex with CENP-C central region</annotation_details>
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