<?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_9_3/emdb.xsd" version="3.0.9.3" emdb_id="EMD-10491">
    <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>2019-11-13</deposition>
            <header_release>2019-12-11</header_release>
            <map_release>2019-12-11</map_release>
            <update>2024-05-22</update>
        </key_dates>
        <title>Structure of the vertebrate gamma-Tubulin Ring Complex</title>
        <authors_list>
            <author>Zupa E</author>
            <author>Pfeffer S</author>
        </authors_list>
        <keywords>gamma-Tubulin Ring Complex, microtubule nucleation, CELL CYCLE</keywords>
    </admin>
    <crossreferences>
        <citation_list>
            <primary_citation>
                <journal_citation published="true">
                    <author order="1">Liu P</author>
                    <author order="2">Zupa E</author>
                    <author order="3">Neuner A</author>
                    <author order="4">Bohler A</author>
                    <author order="5">Loerke J</author>
                    <author order="6">Flemming D</author>
                    <author order="7">Ruppert T</author>
                    <author order="8">Rudack T</author>
                    <author order="9">Peter C</author>
                    <author order="10">Spahn C</author>
                    <author order="11">Gruss OJ</author>
                    <author order="12">Pfeffer S</author>
                    <author order="13">Schiebel E</author>
                    <title>Insights into the assembly and activation of the microtubule nucleator gamma-TuRC.</title>
                    <journal_abbreviation>Nature</journal_abbreviation>
                    <country>UK</country>
                    <volume>578</volume>
                    <first_page>467</first_page>
                    <last_page>471</last_page>
                    <year>2020</year>
                    <external_references type="PUBMED">31856152</external_references>
                    <external_references type="DOI">doi:10.1038/s41586-019-1896-6</external_references>
                    <external_references type="ISSN">1476-4687</external_references>
                    <external_references type="CSD">0006</external_references>
                    <external_references type="ASTM">NATUAS</external_references>
                </journal_citation>
            </primary_citation>
        </citation_list>
        <pdb_list>
            <pdb_reference>
                <pdb_id>6tf9</pdb_id>
                <relationship>
                    <in_frame>FULLOVERLAP</in_frame>
                </relationship>
            </pdb_reference>
        </pdb_list>
    </crossreferences>
    <sample>
        <name>Vertebrate gamma-Tubulin Ring Complex</name>
        <supramolecule_list>
            <complex_supramolecule supramolecule_id="1">
                <name>Vertebrate gamma-Tubulin Ring Complex</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>
                        <macromolecule_id>8</macromolecule_id>
                    </macromolecule>
                    <macromolecule>
                        <macromolecule_id>9</macromolecule_id>
                    </macromolecule>
                    <macromolecule>
                        <macromolecule_id>10</macromolecule_id>
                    </macromolecule>
                    <macromolecule>
                        <macromolecule_id>11</macromolecule_id>
                    </macromolecule>
                    <macromolecule>
                        <macromolecule_id>12</macromolecule_id>
                    </macromolecule>
                    <macromolecule>
                        <macromolecule_id>13</macromolecule_id>
                    </macromolecule>
                    <macromolecule>
                        <macromolecule_id>14</macromolecule_id>
                    </macromolecule>
                    <macromolecule>
                        <macromolecule_id>15</macromolecule_id>
                    </macromolecule>
                    <macromolecule>
                        <macromolecule_id>16</macromolecule_id>
                    </macromolecule>
                    <macromolecule>
                        <macromolecule_id>17</macromolecule_id>
                    </macromolecule>
                </macromolecule_list>
                <natural_source database="NCBI">
                    <organism ncbi="8355">Xenopus laevis</organism>
                </natural_source>
                <molecular_weight>
                    <theoretical units="MDa">2.2</theoretical>
                </molecular_weight>
            </complex_supramolecule>
        </supramolecule_list>
        <macromolecule_list>
            <protein_or_peptide macromolecule_id="1">
                <name>Helix 1</name>
                <natural_source database="NCBI">
                    <organism ncbi="8355">Xenopus laevis</organism>
                </natural_source>
                <molecular_weight>
                    <theoretical units="MDa">0.0020792719999999996</theoretical>
                </molecular_weight>
                <number_of_copies>1</number_of_copies>
                <enantiomer>LEVO</enantiomer>
                <sequence>
                    <string>AAAAAAAAAAAAAAAAAAAAAAAAAAAAA</string>
                </sequence>
            </protein_or_peptide>
            <protein_or_peptide macromolecule_id="2">
                <name>Belt helices 1,2,3,4</name>
                <natural_source database="NCBI">
                    <organism ncbi="8355">Xenopus laevis</organism>
                </natural_source>
                <molecular_weight>
                    <theoretical units="MDa">0.000942027</theoretical>
                </molecular_weight>
                <number_of_copies>4</number_of_copies>
                <enantiomer>LEVO</enantiomer>
                <sequence>
                    <string>AAAAAAAAAAAAA</string>
                </sequence>
            </protein_or_peptide>
            <protein_or_peptide macromolecule_id="3">
                <name>Belt helix 5</name>
                <natural_source database="NCBI">
                    <organism ncbi="8355">Xenopus laevis</organism>
                </natural_source>
                <molecular_weight>
                    <theoretical units="MDa">0.002221427</theoretical>
                </molecular_weight>
                <number_of_copies>1</number_of_copies>
                <enantiomer>LEVO</enantiomer>
                <sequence>
                    <string>AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA</string>
                </sequence>
            </protein_or_peptide>
            <protein_or_peptide macromolecule_id="4">
                <name>Belt helix 6</name>
                <natural_source database="NCBI">
                    <organism ncbi="8355">Xenopus laevis</organism>
                </natural_source>
                <molecular_weight>
                    <theoretical units="MDa">0.001652805</theoretical>
                </molecular_weight>
                <number_of_copies>1</number_of_copies>
                <enantiomer>LEVO</enantiomer>
                <sequence>
                    <string>AAAAAAAAAAAAAAAAAAAAAAA</string>
                </sequence>
            </protein_or_peptide>
            <protein_or_peptide macromolecule_id="5">
                <name>Belt helix 7</name>
                <natural_source database="NCBI">
                    <organism ncbi="8355">Xenopus laevis</organism>
                </natural_source>
                <molecular_weight>
                    <theoretical units="MDa">0.0012974159999999998</theoretical>
                </molecular_weight>
                <number_of_copies>1</number_of_copies>
                <enantiomer>LEVO</enantiomer>
                <sequence>
                    <string>AAAAAAAAAAAAAAAAAA</string>
                </sequence>
            </protein_or_peptide>
            <protein_or_peptide macromolecule_id="6">
                <name>Belt helices 8,9,10</name>
                <natural_source database="NCBI">
                    <organism ncbi="8355">Xenopus laevis</organism>
                </natural_source>
                <molecular_weight>
                    <theoretical units="MDa">0.001084182</theoretical>
                </molecular_weight>
                <number_of_copies>3</number_of_copies>
                <enantiomer>LEVO</enantiomer>
                <sequence>
                    <string>AAAAAAAAAAAAAAA</string>
                </sequence>
            </protein_or_peptide>
            <protein_or_peptide macromolecule_id="7">
                <name>Belt helices 11,12</name>
                <natural_source database="NCBI">
                    <organism ncbi="8355">Xenopus laevis</organism>
                </natural_source>
                <molecular_weight>
                    <theoretical units="MDa">0.001013105</theoretical>
                </molecular_weight>
                <number_of_copies>2</number_of_copies>
                <enantiomer>LEVO</enantiomer>
                <sequence>
                    <string>AAAAAAAAAAAAAA</string>
                </sequence>
            </protein_or_peptide>
            <protein_or_peptide macromolecule_id="8">
                <name>Belt helices 13,14,15 and Helix 2</name>
                <natural_source database="NCBI">
                    <organism ncbi="8355">Xenopus laevis</organism>
                </natural_source>
                <molecular_weight>
                    <theoretical units="MDa">0.00115526</theoretical>
                </molecular_weight>
                <number_of_copies>4</number_of_copies>
                <enantiomer>LEVO</enantiomer>
                <sequence>
                    <string>AAAAAAAAAAAAAAAA</string>
                </sequence>
            </protein_or_peptide>
            <protein_or_peptide macromolecule_id="9">
                <name>Belt helix 16</name>
                <natural_source database="NCBI">
                    <organism ncbi="8355">Xenopus laevis</organism>
                </natural_source>
                <molecular_weight>
                    <theoretical units="MDa">0.001226338</theoretical>
                </molecular_weight>
                <number_of_copies>1</number_of_copies>
                <enantiomer>LEVO</enantiomer>
                <sequence>
                    <string>AAAAAAAAAAAAAAAAA</string>
                </sequence>
            </protein_or_peptide>
            <protein_or_peptide macromolecule_id="10">
                <name>Gamma-tubulin complex component 3 homolog</name>
                <natural_source database="NCBI">
                    <organism ncbi="8355">Xenopus laevis</organism>
                </natural_source>
                <molecular_weight>
                    <theoretical units="MDa">0.10378935199999999</theoretical>
                </molecular_weight>
                <number_of_copies>5</number_of_copies>
                <enantiomer>LEVO</enantiomer>
                <sequence>
                    <string>MAVPDQKSPNVLLQNLCCRILGKGEADVAQQFQYAVRVIGSNFAPTVERDEFLVTEKIKKEFVRQRREADGALFSELHRK
LQSQGVLKNRWSILYLLLSLSEDPRKQPNKTSSFAALFAQALPRDAHSTPYYYARPQSLPLSYQDRNVQCAQNAASIGSS
GISSIGMYALNGPTPQSIIQGQSNQTPNMGDALRQQLGSRLAWTLAAGQQPSQQSTTTKGLPNTVSRNVPRTRREGDSSG
SVEITETSLVRDLLYVFQGIDGKFVKMCNSENCYKVDGKVAVSKSLKDITSKLSELGWLHNKIKKYTDQRSLDRAFGLVG
QSFCAALHQELKEYYRLLSVLHSQLQVEDDQGVNLGVESSLTLRRLLVWTFDPKIRLKTLAALVDHCQGRKGGELASAVH
AYTKTGDPYMRSLVQHILGLVAYPILNFLYRWIYDGELEDTYHEFFVASDPVVKTDRLWHDKYSLRKSMIPSFMTMDQSR
KVLLIGKSINFLHQVCHDQTPASKAMAVGKSAESPKDAAELFTDLENAFQTKIDAAYFDTSKYLLDVLNKNYNLLEHMQA
MRRYLLLGQGDFIRHLMDLLKPELVRPATTLYQHNLTGILETAVRATNAQFDNPEILKRLDVRLLEVSPGDTGWDVFSLD
YHVDGPIATVFTRECMSHYLRVFNFLWRAKRMEYILTDIWKGHMCNAKLLKGMPELSGVLHQCHILASEMVHFIHQMQYY
ITFEVLECSWDELWNKVLKAQDLDHIIAAHDVFLDTIISRCLLDSESRALLNQLRAVFDQIIEFQNAQDALYRAALEELQ
QRLQFEERKKERESEGEWGVTAAEEDVENKRIQEFQESIPKMRSQLRILTHFYQGIVQQFLVLLTTSTDESLRFLSFRLD
FNEHYKAREPRLRVSMGTRGRRSFHV</string>
                    <external_references type="UNIPROTKB">O73787</external_references>
                </sequence>
            </protein_or_peptide>
            <protein_or_peptide macromolecule_id="11">
                <name>Gamma-tubulin complex component 2</name>
                <natural_source database="NCBI">
                    <organism ncbi="8355">Xenopus laevis</organism>
                </natural_source>
                <molecular_weight>
                    <theoretical units="MDa">0.103468312</theoretical>
                </molecular_weight>
                <number_of_copies>5</number_of_copies>
                <enantiomer>LEVO</enantiomer>
                <sequence>
                    <string>MSEFRIHHDVNELISLLHVFGLEGADVYIDLLQKNRTPYVTTSVSTHSAKVKIAEFSRTPDDFLKKYEELKSKNTRNLDP
LVYLLSKLIEDKETLQYLQQNAKDKAELATSSVTSVSLPIAPNTSKISMQELEELRRQLETATVAVSCSHQPVEVLRKFL
RDKLNKKHTGHPVPVFPSWVYERPALTGDFMSFSNPSTDVTVSIGTLPLPSQETCLVEDLLYILIGVDGRYISVQPLVGR
QSRSFSVEQNLDSSVKELVNRILPVATNYSTVTRFVEENSSFEYGQVNHALGAAMRTLGKEYMILISQLEHLQRQGLLSL
QKLWFYIQPTLRTMEVLASIATSLNKGECFGGATLSLLHDRTFGYTGDSQAQELCLYLTKAASAPYFDILERWIYRGIIN
DPYSEFMVEEHELQKEKIQEDYNDKYWDQRYTIVQQQIPSFLQKVADKILSTGKYLNVVRECGHDVTCPDAKEITYTLKE
QAYVERIEKAYNYASKVLLDFLMEEEELVAHLRSIKHYFLMDQGDFFVHFMDLTEEELKKPVDDIIPTRLEALLELALRM
STANTDPFKDDLKIELMPHDLITQLLRVLAIETHQEKALINSDPTELALSGLESFSFDYIVKWPLSLIINRKALTRYQML
FRHMFYCKHVERLLCNVWISNKTAKQFSLHSAKWFAGAFTLRQRMLNFVQNIQYYMMFEVMEPTWHILEKNLKSASNIDD
VLSHHTSFLDNCLKDCMLTNPELLKIFSKLMSVCVMFTNCLQRFTQSMQVQTEMEHLTLEHGTMMGPPTQCERTEEALKK
KLTSKYLEEHIDKFPSSFGFESTINNFDSNFSAHLMDLLDKLSMYSTSDCEHSMINIIYRLDFNGFYTERLKQLSSERNQ
KSAPLLGPAQHAVSTK</string>
                </sequence>
            </protein_or_peptide>
            <protein_or_peptide macromolecule_id="12">
                <name>Gamma tubulin ring protein</name>
                <natural_source database="NCBI">
                    <organism ncbi="8355">Xenopus laevis</organism>
                </natural_source>
                <molecular_weight>
                    <theoretical units="MDa">0.184506188</theoretical>
                </molecular_weight>
                <number_of_copies>1</number_of_copies>
                <enantiomer>LEVO</enantiomer>
                <sequence>
                    <string>MLSFNLRICGMSSEADRLEELVEYLEQSNGIQISDLHAVLELLVELSGTGPPQLLPPKRDYFKNNKYVGRNVKYQGYDYY
DVQVFEADLGTTVAYQELEISTTIQRTLQIMEAAPGTGLPALSFFSQNDLSSDKFEKETRGSLFGALVHSRTNDMDIKLD
MPPVPENADLSGLAIKVPQSIDQSEDEGFQSASNMTPDSQSEPSMTPDIDVWEAVLTYGPSKRRCWERIGCPPGKREEPY
VTEAGREAFDKLYKLHEGGLQILSATTLQPQLVLLEETDLVKAVLNVLIGVVSSTFSYNQALQSFAVKQGVYISGTSPDN
VSSLLTQVAEYGTYYTRLSHFSLLTVLDSSHSNGLVFQAFTSGLRKYLQYYRACVLSTPASLTLLTISFLFRKLGRQLRY
LAELCCIGTLVTSATRGISTAFPTGVKLLSYLYKEALENSSNENYPVLLSLLKTSCEPYTRFIYDWVYSGVFRDVCGEFM
IQVNEDYLGFRDKRYWTHGYVLISKEVEDCVPVFLKHVANEIYICGKTINLLKLCCPKHYICWSDIPVPRISVTFSLEEL
KEMEKDCAVYVARMERIARHSCISKEQKALQTEIARQELIIQARETTEKVFETFKDRKLAEKLSLDTKKRELFQKLKDQY
EKEQERRLTTKQEEADDDFSYAREIRDREKRLKALEEELELKTRQELIEHYSRLSEEATRKEQRALWKLQRHKLETTRLK
FFLEEQKRMQDLVANFPVDICEENLGVLPDGEISHQTDNTNDAGLGNIENEKSVPEQHALHNNNDEVYTAQNCISKSESL
CVDVTLPTENVHSQTSNASVLGVPSFDSNLCTPDVDIIDFLPTLPSENQEVAVVQSLVDDALISIGSDLNTDTKDKESLC
ALKSDLQESSTGSEYDFKTILKPIACTQVSQGHIKIGEYSSNVQPARPRWSTHGHSSDSNIKIGNYVPDINVHQPKHSQH
GHSSDSNINISDHMSDVEPRLPRLNLHGHISTGHIKVGEYASDVEPSTPRHSVHGHASQGNIKIGENVSDVKLSRPRWNI
HGHVSDANIKIGENTTEIAPLRPRWNIHGHASQSHIKIGELVSDIEPSQPRRTPFGHPSQSSIPIGDQPVEKYAQKSESE
VHSSNSTIQHLLYSNIPDKNKDTGGTLTDSPVPVPDQGNSNDDTEKRSSTLEQRVQAADSVCDGEASPNTAQSLPCMSDT
LDLGTNGEENVGNDDHTWEKQQEYLKGLAEKYCLEKYQDSYELMSHPPVLHLYSNVMPNRFSFQTDSDIKSATDETTVQL
IELLSLPVLMKYSVTAPMVSHVYLVNKAIVDYYFVELKMERHFEAMRHFLLMEDGEFAQSLSDMLFEKLGSGQTPSELLN
PLVLNSILNKALQYSLHGDSSLASNLTFALKYLPEVFTPTAPDALSCLELKYKVDWPLNIVITDTCMNKYSRIFSFLLQL
KHMVWTLRDVWFHLKRTALVNQASNSVQYRQLQLYRHEMQHFVKVIQGYIANQILHVTWCEFRNKLSAVSNLEEIYKTHA
DYLNKALFRGLLTEKAAPLMNIIHSIFSLILKFRLQLISQSWICDTGKQMAVHPNFGLMQQSYNTFKYYSDFLFEVVSKL
VNRGYQPHLEDFLLRINFNSYYKQS</string>
                    <external_references type="UNIPROTKB">Q9DDA7</external_references>
                </sequence>
            </protein_or_peptide>
            <protein_or_peptide macromolecule_id="13">
                <name>Tubulin gamma-1 chain</name>
                <natural_source database="NCBI">
                    <organism ncbi="8355">Xenopus laevis</organism>
                </natural_source>
                <molecular_weight>
                    <theoretical units="MDa">0.051226719</theoretical>
                </molecular_weight>
                <number_of_copies>14</number_of_copies>
                <enantiomer>LEVO</enantiomer>
                <sequence>
                    <string>MPREIITLQLGQCGNQIGFEFWKQLCAEHGISPEGIVEEFATEGTDRKDVFFYQADDEHYIPRAVLLDLEPRVIHSILNS
PYANLYNPENIYLSEHGGGAGNNWASGFSQGEKIHEDIFDIIDREADGSDSLEGFVLCHSIAGGTGSGLGSYLLERLNDR
YPKKLVQTYSVFPNQDEMSHVVVQPYNSLLTLKRLTQNADCVVVLDNTALNRIATDRLHIQNPSFSQINQLVSTIMSAST
TTLRYPGYMNNDLIGLIASLIPTPRLHFLMTGYTPLTTDQSVASVRKTTVLDVMRRLLQPKNVMVSTGRDRQTNHCYIAI
LNIIQGEVDPTQVHKSLQRIRERKLANFIPWGPASIQVALSRKSPYLPSAHRVSGLMMANHTNISSLFERTCRQYDKLRK
REAFLEQFRKEDIFKDNFDELDNSREIVQQLIDEYHAATRPDYISWGTQDK</string>
                    <external_references type="UNIPROTKB">P23330</external_references>
                </sequence>
            </protein_or_peptide>
            <protein_or_peptide macromolecule_id="14">
                <name>Gamma-tubulin complex component</name>
                <natural_source database="NCBI">
                    <organism ncbi="8355">Xenopus laevis</organism>
                </natural_source>
                <molecular_weight>
                    <theoretical units="MDa">0.117577633</theoretical>
                </molecular_weight>
                <number_of_copies>1</number_of_copies>
                <enantiomer>LEVO</enantiomer>
                <sequence>
                    <string>MAHWTRFERDQEGDIKKLVSLMSGIQDDQDGNFQQALQFAWSNFRFHRYLDVSSHTVLRTLEGIFEKLVVHSDLEKAESW
KRLTEEFLLLPLPNTEGTKTDSHFAVLSLLLCLSDSPSNHDYTEKPRKKENDEQEPFDWGKYLREGEDIEFSPDADTPEW
SEASEEEDAQEPPSREDSGIQVDRTPLEDPEKKGAPPLVSWKVGEPDARSWLEQHIVHQYWTSRAPRFSHSSHLHSNLSA
IWDQHLYTTDPLYTPDDKTIVTETQVIRETLWLLSGVKKLLIFQLNDGKVNVRNDIIVTHMTQNCLRSVLEQIAAYGQVV
FRLQKFIDEITGHGSEVPLPGTLPTAKKTTEAPFRTYQAFMWALYKYFISFKEELTEIEKCIINKDETVTLAIVLDKLAP
RLAQLKVLHRVFSTGIAEVPPDTRNVVRASHLLNTLYKAILDYDNVGEASEQTVSLLFCLWVETVRPYLEIVDEWIVHGN
LFDPAKEFIIQRNKDVPFNHRDFWYATYTLYSVSEKTENEDKMSDNASASSGSDQAPAGRQHTMVSFLKPVLKQIIMAGK
SMQLLKNLKCRTALQQDSSRDSDRKSLYTLFLESVQSRLQHGNDSVPDIITEQQVNKLSLIKMQSIVAKHLELDEVHDPL
LAINFVRLYLEQSDFLETFTCNEVCVDRSSESVTCQSFELTLRSCLYPHIGKQYLECCGNLMYTLKKDYRLVEYLQAMRN
FFLLEAGDTMYDFYTPIFDKIREKEPWLNLSYLNVQIQEAVGQRYPDDSTRLSVSFESVDLAKKKLPVHTLDGLILSYKV
PWPVDIVISSECQKIYNQVFLLLLLIKWAKYSLDVLQFNELGNASENESTKEGATVEPFPLPPLTSPSEPKGQQIHRMFL
LRVKLMHFVNSLHNYLMTRILHSTGLEFQHQVEEAKDLDQLIKIHYRYLSTIHDRCLLREKVSSVKEAIMKVLNVVLMFA
DRWHAGLGAWKKESIVKMESDFTNCHKFLVKVLNKAVCRGSFPHLESLALSLMAGMEQS</string>
                    <external_references type="UNIPROTKB">A0A1L8HGZ5</external_references>
                </sequence>
            </protein_or_peptide>
            <protein_or_peptide macromolecule_id="15">
                <name>Gamma-tubulin complex component</name>
                <natural_source database="NCBI">
                    <organism ncbi="8355">Xenopus laevis</organism>
                </natural_source>
                <molecular_weight>
                    <theoretical units="MDa">0.07612296099999999</theoretical>
                </molecular_weight>
                <number_of_copies>2</number_of_copies>
                <enantiomer>LEVO</enantiomer>
                <sequence>
                    <string>MIHELLLALSGYPGSIFTWNKRTGLQVSQDIPFLHPGETSVLNRLCKLGTDYIRFTEFIEQYTGHVQQQDHHPSQQGQVG
LHGIYLRAFCRGLDSILQPYRQALLDLEQEFLADPHLSISHINYSLDQFHLLFPSIMVVVEQIKSQKIHGCQILETVYKH
SCGGLPPVRSALEKTLAVCHGVMYKQLSAWMLHGLLLDQYEEFFVRQGSSSGNLAAAFEEEEDDLGIGGLTGKQLRELQD
LRLIEEENMLAPSLKQFSLRAEMLPSYIPVRVAEKILFVGESVQMFENQNVNMSRTGSILKNQEDTFAAELHRLKQQPLF
SLVDFESVLDRIRSTVAEHLWKLMVEESDLLGQLKIIKDFYLLGRGELFQAFIDVAQNMLKTPPTAVTEHDVNVAFQLSA
HKVLLDDDNLLPLLNLTIDYHGKEHKDTSQPREGPFRDMSPREAPTSGWAALGLSYKVQWPLHILFTPAVLEKYNVVFKY
LLSVRRVQSELQHCWALQMQRKHLESNKTDAIKWRLQNHMAFLVDNLQYYLQVDVLESQFSQLLQQINSTRDFESIRLAH
DHFLSNLLAQSFILLKPVFHCLNEILELCHSFCSLVSQNLGPLDERGAGQLDILVKGFSCQSSLLFRILSSVRNHQINPD
LAQLLLRLDYNKYYTQAGGTLGSFGL</string>
                    <external_references type="UNIPROTKB">Q642S3</external_references>
                </sequence>
            </protein_or_peptide>
            <protein_or_peptide macromolecule_id="16">
                <name>Belt helix 17</name>
                <natural_source database="NCBI">
                    <organism ncbi="8355">Xenopus laevis</organism>
                </natural_source>
                <molecular_weight>
                    <theoretical units="MDa">0.0013684939999999998</theoretical>
                </molecular_weight>
                <number_of_copies>1</number_of_copies>
                <enantiomer>LEVO</enantiomer>
                <sequence>
                    <string>AAAAAAAAAAAAAAAAAAA</string>
                </sequence>
            </protein_or_peptide>
            <protein_or_peptide macromolecule_id="17">
                <name>Actin, cytoplasmic 1</name>
                <natural_source database="NCBI">
                    <organism ncbi="8355">Xenopus laevis</organism>
                </natural_source>
                <molecular_weight>
                    <theoretical units="MDa">0.041812683999999996</theoretical>
                </molecular_weight>
                <number_of_copies>1</number_of_copies>
                <enantiomer>LEVO</enantiomer>
                <sequence>
                    <string>MEDDIAALVVDNGSGMCKAGFAGDDAPRAVFPSIVGRPRHQGVMVGMGQKDSYVGDEAQSKRGILTLKYPIEHGIVTNWD
DMEKIWHHTFYNELRVAPEEHPVLLTEAPLNPKANREKMTQIMFETFNTPAMYVAIQAVLSLYASGRTTGIVMDSGDGVT
HTVPIYEGYALPHAILRLDLAGRDLTDYLMKILTERGYSFTTTAEREIVRDIKEKLCYVALDFEQEMATAASSSSLEKSY
ELPDGQVITIGNERFRCPEALFQPSFLGMESCGIHETTYNSIMKCDVDIRKDLYANTVLSGGTTMYPGIADRMQKEITAL
APSTMKIKIIAPPERKYSVWIGGSILASLSTFQQMWISKQEYDESGPSIVHRKCF</string>
                    <external_references type="UNIPROTKB">O93400</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">0.011</concentration>
                    <buffer>
                        <ph>8.0</ph>
                        <component>
                            <concentration units="mM">1.0</concentration>
                            <formula>MgCl2</formula>
                            <name>magnesium chloride</name>
                        </component>
                        <component>
                            <concentration units="mM">1.0</concentration>
                            <formula>GTP</formula>
                            <name>Guanosine triphosphate</name>
                        </component>
                        <component>
                            <concentration units="mM">100.0</concentration>
                            <formula>NaCl</formula>
                            <name>Sodium Chloride</name>
                        </component>
                        <component>
                            <concentration units="mM">1.0</concentration>
                            <formula>EGTA</formula>
                            <name>Ethylene glycol tetraacetic acid</name>
                        </component>
                        <component>
                            <concentration units="mM">50.0</concentration>
                            <formula>HEPES</formula>
                            <name>piperazineethanesulfonic acid</name>
                        </component>
                        <component>
                            <concentration units="%">0.02</concentration>
                            <formula>C58H114O26</formula>
                            <name>Tween 20</name>
                        </component>
                        <component>
                            <concentration units="mg/mL">0.1</concentration>
                            <name>gamma-tubulin antigenic C-terminal peptide2</name>
                        </component>
                    </buffer>
                    <grid>
                        <material>COPPER</material>
                        <mesh>300</mesh>
                        <support_film film_type_id="1">
                            <film_material>CARBON</film_material>
                            <film_topology>HOLEY</film_topology>
                        </support_film>
                        <pretreatment>
                            <type>GLOW DISCHARGE</type>
                            <time units="s">20</time>
                        </pretreatment>
                    </grid>
                    <vitrification>
                        <cryogen_name>ETHANE</cryogen_name>
                        <chamber_humidity units="percentage">70</chamber_humidity>
                        <chamber_temperature units="K">295</chamber_temperature>
                        <instrument>FEI VITROBOT MARK IV</instrument>
                    </vitrification>
                </single_particle_preparation>
            </specimen_preparation_list>
            <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>
                    <c2_aperture_diameter units="µm">70.0</c2_aperture_diameter>
                    <nominal_cs units="mm">2.7</nominal_cs>
                    <nominal_defocus_min units="µm">0.5</nominal_defocus_min>
                    <nominal_defocus_max units="µm">3.5</nominal_defocus_max>
                    <nominal_magnification>42000.0</nominal_magnification>
                    <specimen_holder_model>FEI TITAN KRIOS AUTOGRID HOLDER</specimen_holder_model>
                    <cooling_holder_cryogen>NITROGEN</cooling_holder_cryogen>
                    <alignment_procedure>
                        <coma_free/>
                    </alignment_procedure>
                    <image_recording_list>
                        <image_recording image_recording_id="1">
                            <film_or_detector_model>GATAN K3 BIOQUANTUM (6k x 4k)</film_or_detector_model>
                            <number_grids_imaged>4</number_grids_imaged>
                            <number_real_images>9463</number_real_images>
                            <average_electron_dose_per_image units="e/Å^2">46.0</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>5482328</number_selected>
                </particle_selection>
                <startup_model type_of_model="OTHER">
                    <details>3D initial model from manually selected particles in Relion</details>
                </startup_model>
                <final_reconstruction>
                    <applied_symmetry>
                        <point_group>C1</point_group>
                    </applied_symmetry>
                    <resolution units="Å" res_type="BY AUTHOR">4.8</resolution>
                    <resolution_method>FSC 0.143 CUT-OFF</resolution_method>
                    <software_list>
                        <software>
                            <name>RELION</name>
                            <version>3.0 Beta</version>
                        </software>
                    </software_list>
                    <number_images_used>46096</number_images_used>
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                <initial_angle_assignment>
                    <type>MAXIMUM LIKELIHOOD</type>
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                            <version>3.0 Beta</version>
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                    <type>MAXIMUM LIKELIHOOD</type>
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