2026-07-08 REL RCSB INITIAL_RELEASE REPOSITORY INITIAL_RELEASE REPOSITORY INITIAL_RELEASE REPOSITORY INITIAL_RELEASE REPOSITORY INITIAL_RELEASE REPOSITORY INITIAL_RELEASE REPOSITORY INITIAL_RELEASE REPOSITORY INITIAL_RELEASE REPOSITORY DATABASE_REFERENCES citation citation_author em_admin _citation.country _citation.journal_abbrev _citation.journal_id_CSD _citation.journal_id_ISSN _citation.journal_volume _citation.page_first _citation.page_last _citation.pdbx_database_id_DOI _citation.pdbx_database_id_PubMed _citation.title _citation.year _em_admin.last_update EXPERIMENTAL_SUMMARY citation citation_author em_admin _citation.country _citation.journal_abbrev _citation.journal_id_CSD _citation.journal_id_ISSN _citation.journal_volume _citation.page_first _citation.page_last _citation.pdbx_database_id_DOI _citation.pdbx_database_id_PubMed _citation.title _citation.year _em_admin.last_update RCSB RCSB 2025-05-10 2026-06-17 2026-06-17 2026-07-08 Not funded Structure of the Bombyx mori apo-bmCCAN Yatskevich S Ciferri C CCAN, complex, protein-DNA, segregation, DNA BINDING PROTEIN Yu C Sankaranarayanan SR Cornilleau G Howes AC Azumaya CM Day ES Zilberleyb I Brillantes B Cheung TK Dec L Loew D Tran P Rose CM Drinnenberg IA Ciferri C Yatskevich S Architecture and function of holocentric CENP-A-independent inner kinetochores. Sci Adv US 12 eaeb5817 eaeb5817 2026 42319948 doi:10.1126/sciadv.aeb5817 2375-2548 EMD-77477 consensus EM volume EMD-77478 focused EM volume 9okl FULLOVERLAP PDB 9OKD unspecified PDB 9OKB unspecified PDB 9OKE unspecified PDB 9OKK unspecified EMDB EMD-70568 associated EM volume
Structure of the Bombyx mori apo-bmCCAN
 EMDB EMD-77477 consensus EM volume EMDB EMD-77478 focused EM volume Bombyx mori CCAN dimer bound to DNA Bombyx mori CCAN dimer bound to DNA 0 1 2 3 4 5 6 7 8 9 10 11 12 13 Bombyx mori CS-1 Spodoptera frugiperda 0.012255478999999998 1 LEVO MSALGNLSQGNQQQDLQNELTTANQLLRLISLELEQIKNLTNPAGDFAANIKKNAELVKKLANIQQVDLTNLPPFTRKYI DLNENANQNVSYEEHNTFRNESEMDESQ A0A9R0D827 CS-2 Spodoptera frugiperda 0.009024134 1 LEVO MASIAPSDSESNVSGFMRYSDKDVKYLYTSIIQSMESINQDISIVETNLKNLVQQAGPLEGQLSALLQSLPKPNLNLPME TD A0A2H1W2C4 SFRICE_007223 Spodoptera frugiperda 0.008090256 1 LEVO MSSASVTSSKREKQNIELAQEIDSMKAMNSSLRAYLEHLRVLKKNILAMNDNCTQLNKVNDEIIEIVNNNK A0A2H1VJ85 CS-4 Spodoptera frugiperda 0.009237658999999999 1 LEVO MNSTISDDLSREHLTFEAVKCLKNISSKTQSVTLLHKELLEINLSITAYIQESKKRLARLRLDLAHDAKNSQKVVEILSD K bm-CENPH Bombyx mori 0.027719169999999998 1 Spodoptera frugiperda LEVO MSAFKTLKEVSQNFEQELKQLSNVLFSAKIGETFEDAVSKKLQELSLFSSKLKLLRAKPVSLTPQITEQVKTEEIIKEYG DVAAIKLLEKVTVKCVAQTHAVKKLITTPDRALDAEMLTRKQNIMEALTNYRDKETSLRHFEMILQEKQYEHNLLRAEWD KSLGELRDMKAAVSDDEEMDTNSAYYVRLRTLVSKMEMIRWLIGRLVVCRKESRNDPRRALQALKMARQVLDVDTFMSD A0A8R2AFF4 Centromere protein I Bombyx mori 0.07596502299999999 1 Spodoptera frugiperda LEVO MCDIGEIIDYIKSLKRGFDKDLFQSKIDELGYIVDSVGLDYDDFHTLFKIWLNLSIPLTKWTSLGACLIPPDAVEEKTVD YAIQWILINYGNQNSFTKTGFLLDWLTAAMECDCIDMKALDFGYELFYSMMTYETLTPQAVKLVYTLTKPSDVTRRRVIE ILDCAKKRESKKNLFRQLQILLGLFKSYKPECVPENVPAICVHTAFKKINKDLLGRFKRTQERRNRQSKEKQHLIWLNPI NMARGRNKKIVPLVPNMEFFNIGSKQYDQKEPQKNYLDFSDPASVVQLAACGRAARPARLRALLCGPALLLAAAAADQHA FLSHDLRHLLDNCFLDISPYSYAEKQDLLQRLALLQSTLLQGIPVITRFLAQFLPLWNERDYFTEILQLVEWVSVDSPDH LGYIVGPLIKIYHRAQPLEQCAILKSLTQMYINLVYASTRRRQFFMAIDTPKENYDVVLPRLAAELGEMGEKALQYNPDD MRVLFSNIWSVECRSRAHLLYNIGLGPIPGLLSLSLPLLGVSAALIEKMAALLVIYKKIFTRLKSTNAISATHTEQIQIL HRYSVDLSSLYTEESLRGRGNGFVFDKLHPQLVSKLYHLIPEPDTKLSVRSHVAFAAYTYVALGDVDERDADNKAWYRAF LEHEFSYLAKFFKKTVPELRM A0A8R2LUB8 bmCENP-K Bombyx mori 0.024760083999999998 1 Spodoptera frugiperda LEVO MTSKHNAETLDALKREIKTLQNNCLNVCNIIENAPPETPSANQDEISDKCLSYIQALKTEIENPNTIITTDENLLTSQFL NEIKEKTGQIEELTAFTKGSIRDVDEEIMRLKNQITIAQEAMSKPIQKYGQVSSEHVKNAKEKFSQLKSELHGLIYSMFP NTSALIIEFMGQLMAERLNPASSGYIQITAENYQIAELLKDTNIISTNPYNKMEVKLAY A0A8R2AP23 Centromere protein L Bombyx mori 0.03422998 1 Spodoptera frugiperda LEVO MSSLRLDSCWEQEEDGNTSRHVTGDPIALIYNEGLWKINKVSPLYNLQYNGIKLKQYGSKILQALVSSLQMSNTAKYTVV LEELPLLKYSEEDSSGILITVRSSQEDSNTKKVAYVAILLSWGISISMENAIHLPYMLERGEQRVGTVVKTILQTAFDCN IKQFSFTQHQLLNFGFSFIDSDTSRSNDQFTLVYRSPQTEVKSKLSLSFDIGDVRLIWNGIKDETTKKADLIILAYQILQ NQIFSLGYLDVTVFDLSEINLTKAEIKCNGGVKMKTPEIVNCVFTVLNEICCDLWQDLNITE H9IXB1 Centromere protein M Bombyx mori 0.020135386999999998 1 Spodoptera frugiperda LEVO MSLLEEDAVIAPWVGPMSAKNSLTAIVLSLNVEVIEKVSEALSEVHKKSRFRWKLVVLRSFHLEEVVKQSDLTGRVAIDF VIIALDTSRLFCLEWAKKELSQVHPDLRRRRVVLVNTSGLPVNAMAITAGELINFYTENNVDLLTADISNTENTTLLAQK LLKYMEVSIGVRTGIPNINV A0A8R2ARQ0 bmCENP-N Bombyx mori 0.036883546999999996 1 Spodoptera frugiperda LEVO MKNSNKLKDLQMTIARMPLQQCCVTVLPEFGVKWREVFRAVRLARLPMTAASVARVLTRHIAKSLEAHELNDILARLKLK LVASQNRMWHVVNMSEQHTAGPITELIETLPEVIENNLKKGKHRFTRPEVQTNLIGDLLYISVQLVSDTKEGSTLYVATP PGESVALFSTLSMSAQIKACVDALGYRKYEDAKLHGKDIPSLLRINDRAWSGMAQNLASVPDYAPKPILTYNGIDYTNRT YDAEYIENILGPDPPLLTDLTIKTSKPFFDASMLSKNINMKITLKSENVAETLKSWVVKGALAPTSEFFHIFHNIKSNNI SRNIDDTD A0A8R1WGT7 Centromere protein O Bombyx mori 0.037681129 1 Spodoptera frugiperda LEVO MKQTKITKLFQTKLVARRSSDDCDELQDEIEKLRENLKEKQNELFQLQRNSYKHKSSPVKKKSEQFVRPQKIVLTNSIDS LKRNLELMSILTGMEVQSYVVGEHCCVVYHMQHDSDNVVKHGLRIEMQAGANVVSKSSLPLGFNINAVMEEYDNIMMPEC LGAIRKALVAYYDRLQQFEALKKMLNVEAQLFKLLDASHIEISFSAQSAVEEDEHLNLVLVLDYRVYDIRPKQYSFKDLD IPAGAVAALKEQCTVFKRKPLQRAFRDAFIDGVGPYQMIHQIGFKPVERKSHRRKRFKAHPYNHNNDDTFRPEDCSDQSE EGPEP A0A8R2AFZ4 bmCENP-P Bombyx mori 0.07110082000000001 1 Spodoptera frugiperda LEVO MPINKIHYDKKTLLLEKQSLLDNIVYCETRIAELLTKKCTNYIEDSDSSGSEDGFTLSIDPGPTVSQLKLLQSSLQTCLQ ATQELTNLQVLQSEVNVMVTEPELEGEPPVTESGAWREVTADCRIDLVPFSVQFYMHQPDRKFSAPSYRKLCVILVKAAH ETELAKSVLPHLTRPSDVVEVLKSYSVAYRSRRTSLARLAEKYESSLYMEPAAEGGYLLRCANLLEVHWRLENKVSAVAP FYHRMKFDLEYMNESYVAKISEAHKQLSDPALSTDERTLLLSKIITVCLEVNGQETVEPSRLDTRQDALDGDPAPNIMAP PKEIPRKLAKKPSKSLKRSQPDTANVSAKKGKSAPDDTTENQSDNINIHNLVDNIDSKKNNFEATTKNVVTSQSTNKDKS SGNTELEKAQMIKKPIAENGGRGNKQSSNSEVNVKSVKSSAASKKIPTHKSRLAEKSSVASAEIKSTSKNVAAIKSRTEK LNLNENDKNVMNTNNKNNGNELIEKVTERNKHITPNKRENVANINVDNSRDKQKNDLQNKKIQKKILIKSHKNPSSKIKA GNNNVLSAGNTDAAKKSKIPQKVSSPVVDSIIKKNMLRISPRRLPANIKSSSETSNKQRLIKTSTSIPRLLKPTSKIK A0A8R1WGN9 bmCENP-T Bombyx mori 0.11675825799999999 1 Spodoptera frugiperda LEVO MPSSKIPSPARSQGSLLTPRRHRTRSTRSVGSPARSNTPSRLTAIIMQNKEPSFVLSPLPTRRSVLNDDTEVEEPQRKSW WRKLDENSRDILEVLEGNKVGETYEAVEEILNVEILSQEKKNYTSDLPDSSDSESINSIVMPQRKLFIQKENVPKKKFGQ LIDNRESLANVDKTTAHEKSVTVTTKSLFQNNKRKRVFPAAALNLSPNKTAVDKTKQCIVDPPQNQPRNIFGYRPAAKRK NMFAEFIVSESEDEISEIQPKVFEYQKQFEHRRSRASNSRPIRETSPASSITTDMELDDWKYLPSSTIVESHDQNLTENH ANTIVLKEHDPKKQVSTQHAQQPNDEDHEMVCENNVDQKMFQDKETDNRQQGITPYNNDRGNNTSNKDQTQKEAVEVEHS HNEFQENQQNITNKQKNAENISNVDNSGEQADIFTPQNEEIVEQENENNDFRKPENIGSQNNIDIEKHADNEKNNHVEEV DQNAETEEKIHHSNNTDISSEQNAEVIASNEEEQMNSHGNETGIEESDQNAESEASCAEEEQEETVNEECESEENNSERA LEDSTVENNDETEIHERSGDQIRESDEDLEIDENMERSELGNESNASNDDEHLYLSDDNDDEPENSAGADINVNDNSPNT DNLDNNEITDRSETVEKVNLPEAILHDKKNESDLFTMQGNNTDLRKTKSIMLMSIRPSLLPPVESTSMTDGTRNSSAEGS GWDSHRTTRKTLRQTFGKDFTPRKSLRALVMEKSAKRQTALVDAKEISKMPQANSTEIPEFNDDYHEAEESIEPTNHEIS KNTRQATLEIYLQKIKKSNMEKNMRIEQEVRNSLKAMKQCKQNVNIFKVPAKPLFARHSTKPVQNKNKVREMKSSMPLGD LPPELLEDMKYKPPKRYQPKNASWTTKRLYKYLEDKLEPKYDYKARVRAEKLVETIYHFTKEVKKHEVAPNDAVDVLKHE MARLDIVKTHFDFYQFFHDFMPREIRVKVVPDIVNKITIPRNGVFSEILSGHAVHA A0A8R2HRP3 singleParticle particle 1 7.5 ETHANE 100 298 FEI VITROBOT MARK IV TFS KRIOS FLOOD BEAM BRIGHT FIELD FIELD EMISSION GUN 300 1.0 2.5 GATAN K3 BIOQUANTUM (6k x 4k) 50.0 1 PHASE FLIPPING AND AMPLITUDE CORRECTION
ab initio
 3.0 FSC 0.143 CUT-OFF RELION 265941 MAXIMUM LIKELIHOOD cryoSPARC MAXIMUM LIKELIHOOD cryoSPARC emd_70568.map.gz 1 IMAGE STORED AS FLOATING POINT NUMBER (4 BYTES) 407 414 410 -3 -7 -5 407 414 410 341.066 346.932 343.58 90.0 90.0 90.0 X Y Z -0.8215955 1.0268027 -0.00012507413 0.009907927 0.838 0.838 0.83799994 0.0514 AUTHOR Composite apo-bmCCAN map, sharpened emd_70568_additional_4.map.gz 1 IMAGE STORED AS FLOATING POINT NUMBER (4 BYTES) 400 400 400 0 0 0 400 400 400 335.2 335.2 335.2 90.0 90.0 90.0 X Y Z -0.15449673 0.3552664 -0.000069061636 0.0034305719 0.83800006 0.83800006 0.83800006 AUTHOR Focused refinement of the bmCENP-HIK:T head groups, unsharpened emd_70568_additional_3.map.gz 1 IMAGE STORED AS FLOATING POINT NUMBER (4 BYTES) 400 400 400 0 0 0 400 400 400 335.2 335.2 335.2 90.0 90.0 90.0 X Y Z -0.8508236 0.950397 -0.00006906162 0.0056485985 0.83800006 0.83800006 0.83800006 AUTHOR Focused refinement of the bmCENP-HIK:T head groups, sharpened emd_70568_additional_2.map.gz 1 IMAGE STORED AS FLOATING POINT NUMBER (4 BYTES) 400 400 400 0 0 0 400 400 400 335.2 335.2 335.2 90.0 90.0 90.0 X Y Z -0.06574838 0.16278365 -0.00006594935 0.004403567 0.83800006 0.83800006 0.83800006 AUTHOR Consensus apo-bmCCAN map, unsharpened emd_70568_additional_1.map.gz 1 IMAGE STORED AS FLOATING POINT NUMBER (4 BYTES) 400 400 400 0 0 0 400 400 400 335.2 335.2 335.2 90.0 90.0 90.0 X Y Z -0.22963305 0.42431462 -0.00006594935 0.0074737053 0.83800006 0.83800006 0.83800006 AUTHOR Consensus apo-bmCCAN map, sharpened