<?xml version='1.0' encoding='utf-8'?>
<emd emdb_id="EMD-23022" version="3.0.2.3" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="https://github.com/emdb-empiar/emdb-schemas/blob/master/v3/v3_0_2_3/emdb.xsd">
    <admin>
        <current_status>
            <date>2021-02-24</date>
            <code>REL</code>
            <processing_site>RCSB</processing_site>
        </current_status>
        <sites>
            <deposition>RCSB</deposition>
            <last_processing>RCSB</last_processing>
        </sites>
        <key_dates>
            <deposition>2020-11-23</deposition>
            <header_release>2021-02-03</header_release>
            <map_release>2021-02-03</map_release>
            <update>2021-02-24</update>
        </key_dates>
        <grant_support>
            <grant_reference>
                <funding_body>National Institutes of Health/National Institute of General Medical Sciences (NIH/NIGMS)</funding_body>
                <code>R01 GM115882</code>
                <country>United States</country>
            </grant_reference>
        </grant_support>
        <title>Cryo-EM map of PRC2:EZH1-AEBP2</title>
        <authors_list>
            <author>Grau DJ</author>
            <author>Armache KJ</author>
        </authors_list>
    </admin>
    <crossreferences>
        <citation_list>
            <primary_citation>
                <journal_citation published="true">
                    <author order="1">Grau D</author>
                    <author order="2">Zhang Y</author>
                    <author order="3">Lee CH</author>
                    <author order="4">Valencia-Sanchez M</author>
                    <author order="5">Zhang J</author>
                    <author order="6">Wang M</author>
                    <author order="7">Holder M</author>
                    <author order="8">Svetlov V</author>
                    <author order="9">Tan D</author>
                    <author order="10">Nudler E</author>
                    <author order="11">Reinberg D</author>
                    <author order="12">Walz T</author>
                    <author order="13">Armache KJ</author>
                    <title>Structures of monomeric and dimeric PRC2:EZH1 reveal flexible modules involved in chromatin compaction.</title>
                    <journal_abbreviation>Nat Commun</journal_abbreviation>
                    <country>UK</country>
                    <volume>12</volume>
                    <first_page>714</first_page>
                    <last_page>714</last_page>
                    <year>2021</year>
                    <external_references type="PUBMED">33514705</external_references>
                    <external_references type="DOI">doi:10.1038/s41467-020-20775-z</external_references>
                    <external_references type="ISSN">2041-1723</external_references>
                </journal_citation>
            </primary_citation>
        </citation_list>
        <emdb_list>
            <emdb_reference>
                <emdb_id>EMD-23021</emdb_id>
                <relationship>
                    <other>other EM volume</other>
                </relationship>
            </emdb_reference>
            <emdb_reference>
                <emdb_id>EMD-23022</emdb_id>
                <relationship>
                    <other>associated EM volume</other>
                </relationship>
            </emdb_reference>
        </emdb_list>
    </crossreferences>
    <sample>
        <name>PRC2:EZH1-AEBP2</name>
        <supramolecule_list>
            <complex_supramolecule supramolecule_id="1">
                <name>PRC2:EZH1-AEBP2</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_list>
                <natural_source database="NCBI">
                    <organism ncbi="9606">Homo sapiens</organism>
                </natural_source>
                <recombinant_expression database="NCBI">
                    <recombinant_organism ncbi="7108">Spodoptera frugiperda</recombinant_organism>
                </recombinant_expression>
                <molecular_weight>
                    <theoretical units="MDa">0.299</theoretical>
                </molecular_weight>
            </complex_supramolecule>
        </supramolecule_list>
        <macromolecule_list>
            <protein_or_peptide macromolecule_id="1">
                <name>EZH1</name>
                <natural_source database="NCBI">
                    <organism ncbi="9606">Homo sapiens</organism>
                </natural_source>
                <recombinant_expression database="NCBI">
                    <recombinant_organism ncbi="7108">Spodoptera frugiperda</recombinant_organism>
                </recombinant_expression>
                <enantiomer>LEVO</enantiomer>
                <sequence>
                    <string>meipnpptsk citywkrkvk seymrlrqlk rlqanmgaka lyvanfakvq ektqilneew         kklrvqpvqs mkpvsghpfl kkctiesifp gfasqhmlmr slntvalvpi myswsplqqn        fmvedetvlc nipymgdevk eedetfieel innydgkvhg eeemipgsvl isdavflelv        dalnqysdee eeghndtsdg kqddskedlp vtrkrkrhai egnkksskkq fpndmifsai        asmfpengvp ddmkeryrel temsdpnalp pqctpnidgp naksvqreqs lhsfhtlfcr        rcfkydcflh pfhatpnvyk rknkeikiep epcgtdcfll legakeyaml hnprskcsgr        rrrrhhivsa scsnasasav aetkegdsdr dtgndwasss seansrcqtp tkqkaspapp        qlcvveapse pvewtgaees lfrvfhgtyf nnfcsiarll gtktckqvfq favkeslilk        lptdelmnps qkkkrkhrlw aahcrkiqlk kdnsstqvyn yqpcdhpdrp cdstcpcimt        qnfcekfcqc npdcqnrfpg crcktqcntk qcpcylavre cdpdlcltcg asehwdckvv        sckncsiqrg lkkhlllaps dvagwgtfik esvqknefis eycgelisqd eadrrgkvyd        kymssflfnl nndfvvdatr kgnkirfanh svnpncyakv vmvngdhrig ifakraiqag        eelffdyrys qadalkyvgi eretdvl</string>
                </sequence>
            </protein_or_peptide>
            <protein_or_peptide macromolecule_id="2">
                <name>EED</name>
                <natural_source database="NCBI">
                    <organism ncbi="9606">Homo sapiens</organism>
                </natural_source>
                <recombinant_expression database="NCBI">
                    <recombinant_organism ncbi="7108">Spodoptera frugiperda</recombinant_organism>
                </recombinant_expression>
                <enantiomer>LEVO</enantiomer>
                <sequence>
                    <string>mserevstap agtdmpaakk qklssdensn pdlsgdendd avsiesgtnt erpdtptntp         napgrkswgk gkwkskkcky sfkcvnslke dhnqplfgvq fnwhskegdp lvfatvgsnr        vtlyechsqg eirllqsyvd adadenfytc awtydsntsh pllavagsrg iiriinpitm        qcikhyvghg nainelkfhp rdpnlllsvs kdhalrlwni qtdtlvaifg gveghrdevl        sadydllgek imscgmdhsl klwrinskrm mnaikesydy npnktnrpfi sqkihfpdfs        trdihrnyvd cvrwlgdlil skscenaivc wkpgkmeddi dkikpsesnv tilgrfdysq        cdiwymrfsm dfwqkmlalg nqvgklyvwd levedphkak cttlthhkcg aairqtsfsr        dssiliavcd dasiwrwdrl r</string>
                </sequence>
            </protein_or_peptide>
            <protein_or_peptide macromolecule_id="3">
                <name>SUZ12</name>
                <natural_source database="NCBI">
                    <organism ncbi="9606">Homo sapiens</organism>
                </natural_source>
                <recombinant_expression database="NCBI">
                    <recombinant_organism ncbi="7108">Spodoptera frugiperda</recombinant_organism>
                </recombinant_expression>
                <enantiomer>LEVO</enantiomer>
                <sequence>
                    <string>mapqkhgggg gggsgpsags ggggfggsaa vaaatasggk sgggscgggg sysasssssa         aaaagaavlp vkkpkmehvq adhelflqaf ekptqiyrfl rtrnliapif lhrtltymsh        rnsrtnikrk tfkvddmlsk vekmkgeqes hslsahlqlt ftgffhkndk pspnseneqn        svtlevllvk vchkkrkdvs cpirqvptgk kqvplnpdln qtkpgnfpsl avssnefeps        nshmvksysl lfrvtrpgrr efngminget nenidvneel parrkrnred gektfvaqmt        vfdknrrlql ldgeyevamq emeecpiskk ratwetildg krlppfetfs qgptlqftlr        wtgetndkst apiakplatr nseslhqenk pgsvkptqti avkeslttdl qtrkekdtpn        enrqklrify qflynnntrq qtearddlhc pwctlncrkl ysllkhlklc hsrfifnyvy        hpkgaridvs inecydgsya gnpqdihrqp gfafsrngpv krtpithilv crpkrtkasm        seflesedge veqqrtyssg hnrlyfhsdt clplrpqeme vdsedekdpe wlrektitqi        eefsdvnege kevmklwnlh vmkhgfiadn qmnhacmlfv enygqkiikk nlcrnfmlhl        vsmhdfnlis imsidkavtk lremqqklek gesaspanee iteeqngtan gfseinskek        aletdsvsgv skqskkqkl</string>
                </sequence>
            </protein_or_peptide>
            <protein_or_peptide macromolecule_id="4">
                <name>RBAP48</name>
                <natural_source database="NCBI">
                    <organism ncbi="9606">Homo sapiens</organism>
                </natural_source>
                <recombinant_expression database="NCBI">
                    <recombinant_organism ncbi="7108">Spodoptera frugiperda</recombinant_organism>
                </recombinant_expression>
                <enantiomer>LEVO</enantiomer>
                <sequence>
                    <string>madkeaafdd aveervinee ykiwkkntpf lydlvmthal ewpsltaqwl pdvtrpegkd         fsihrlvlgt htsdeqnhlv iasvqlpndd aqfdashyds ekgefggfgs vsgkieieik        inhegevnra rympqnpcii atktpssdvl vfdytkhpsk pdpsgecnpd lrlrghqkeg        yglswnpnls ghllsasddh ticlwdisav pkegkvvdak tiftghtavv edvswhllhe        slfgsvaddq klmiwdtrsn ntskpshsvd ahtaevncls fnpysefila tgsadktval        wdlrnlklkl hsfeshkdei fqvqwsphne tilassgtdr rlnvwdlski geeqspedae        dgppellfih gghtakisdf swnpnepwvi csvsednimq vwqmaeniyn dedpegsvdp        egqgs</string>
                </sequence>
            </protein_or_peptide>
            <protein_or_peptide macromolecule_id="5">
                <name>AEBP2</name>
                <natural_source database="NCBI">
                    <organism ncbi="9606">Homo sapiens</organism>
                </natural_source>
                <recombinant_expression database="NCBI">
                    <recombinant_organism ncbi="562">Escherichia coli</recombinant_organism>
                </recombinant_expression>
                <enantiomer>LEVO</enantiomer>
                <sequence>
                    <string>mssdgeplsr mdsedsisst imdvdstiss grstpammng qgsttssskn iaynccwdqc
qacfnsspdl adhirsihvd gqrggvfvcl wkgckvyntp stsqswlqrh mlthsgdkpf
kcvvggcnas fasqgglarh vpthfsqqns skvssqpkak eespskagmn krrklknkrr
rslprphdff daqtldairh raicfnlsah ieslgkghsv vfhstviakr kedsgkikll
lhwmpedilp dvwvneserh qlktkvvhls klpkdtalll dpniyrtmpq krlkr</string>
                </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">0.05</concentration>
                    <buffer>
                        <ph>7.9</ph>
                        <component>
                            <concentration units="mM">20.0</concentration>
                            <name>HEPES</name>
                        </component>
                        <component>
                            <concentration units="mM">50.0</concentration>
                            <formula>NaCl</formula>
                            <name>sodium chloride</name>
                        </component>
                        <component>
                            <concentration units="mM">1.0</concentration>
                            <formula>MgCl2</formula>
                            <name>magnesium chloride</name>
                        </component>
                        <component>
                            <concentration units="mM">1.0</concentration>
                            <name>Dithiothreitol</name>
                        </component>
                    </buffer>
                    <vitrification>
                        <cryogen_name>ETHANE</cryogen_name>
                    </vitrification>
                </single_particle_preparation>
            </specimen_preparation_list>
            <microscopy_list>
                <single_particle_microscopy microscopy_id="1">
                    <microscope>FEI TITAN KRIOS</microscope>
                    <illumination_mode>OTHER</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">47.0</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>
                <particle_selection>
                    <number_selected>3142334</number_selected>
                </particle_selection>
                <ctf_correction>
                    <software_list>
                        <software>
                            <name>CTFFIND</name>
                            <version>4</version>
                        </software>
                    </software_list>
                </ctf_correction>
                <final_reconstruction>
                    <resolution res_type="BY AUTHOR" units="Å">4.1</resolution>
                    <resolution_method>FSC 0.143 CUT-OFF</resolution_method>
                    <number_images_used>155809</number_images_used>
                </final_reconstruction>
                <initial_angle_assignment>
                    <type>RANDOM ASSIGNMENT</type>
                </initial_angle_assignment>
                <final_angle_assignment>
                    <type>MAXIMUM LIKELIHOOD</type>
                </final_angle_assignment>
                <final_three_d_classification>
                    <number_classes>6</number_classes>
                    <software_list>
                        <software>
                            <name>RELION</name>
                            <version>3.0</version>
                        </software>
                    </software_list>
                </final_three_d_classification>
            </singleparticle_processing>
        </structure_determination>
    </structure_determination_list>
    <map format="CCP4" size_kbytes="23329">
        <file>emd_23022.map.gz</file>
        <symmetry>
            <space_group>1</space_group>
        </symmetry>
        <data_type>IMAGE STORED AS FLOATING POINT NUMBER (4 BYTES)</data_type>
        <dimensions>
            <col>180</col>
            <row>180</row>
            <sec>180</sec>
        </dimensions>
        <origin>
            <col>0</col>
            <row>0</row>
            <sec>0</sec>
        </origin>
        <spacing>
            <x>180</x>
            <y>180</y>
            <z>180</z>
        </spacing>
        <cell>
            <a units="Å">233.99998</a>
            <b units="Å">233.99998</b>
            <c units="Å">233.99998</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>-0.16578752</minimum>
            <maximum>0.2602548</maximum>
            <average>0.00037932236</average>
            <std>0.010198578</std>
        </statistics>
        <pixel_spacing>
            <x units="Å">1.3</x>
            <y units="Å">1.3</y>
            <z units="Å">1.3</z>
        </pixel_spacing>
        <contour_list>
            <contour primary="true">
                <level>0.06</level>
                <source>AUTHOR</source>
            </contour>
        </contour_list>
        <label>::::EMDATABANK.org::::EMD-23022::::</label>
        <annotation_details>Cryo-EM map of PRC2:EZH1-AEBP2</annotation_details>
    </map>
</emd>