2026-03-18 REL PDBc INITIAL_RELEASE REPOSITORY INITIAL_RELEASE REPOSITORY INITIAL_RELEASE REPOSITORY INITIAL_RELEASE REPOSITORY INITIAL_RELEASE REPOSITORY INITIAL_RELEASE REPOSITORY INITIAL_RELEASE REPOSITORY INITIAL_RELEASE REPOSITORY PDBj PDBc 2025-05-21 2026-03-18 2026-03-18 2026-03-18 National Natural Science Foundation of China (NSFC) 32361163669 China National Natural Science Foundation of China (NSFC) 32170189 China National Natural Science Foundation of China (NSFC) 32241021 China Other government 2023B1212060050 Other government 2023B1212120009 Other government 2023M743512 Other government GZC20232691 Other government 2023A1515110923 Calypso/Asx/NCP-ub complex Wang C He J PR-DUB, Calypso, Polycomb, TRANSCRIPTION/DNA, TRANSCRIPTION-DNA complex Wang C Sun F Zhao H Zhang N Guan J Zhou Y Shuai W Zheng H He J Structural basis of nucleosome deubiquitination by the bidentate Calypso/Asx complex. Iscience US 29 114958 114958 2026 41782825 doi:10.1016/j.isci.2026.114958 2589-0042 9v33 FULLOVERLAP EMDB EMD-64748 associated EM volume
Calypso/ASX/Ncp complex
 Ternary complex of Calypso/Asx/NCP-ub Ternary complex of Calypso/Asx/NCP-ub 0 1 2 3 4 5 6 7 8 9 Drosophila melanogaster Histone H3 Xenopus laevis 0.015435125999999999 2 Escherichia coli LEVO MARTKQTARKSTGGKAPRKQLATKAARKSAPATGGVKKPHRYRPGTVALREIRRYQKSTELLIRKLPFQRLVREIAQDFK TDLRFQSSAVMALQEASEAYLVALFEDTNLCAIHAKRVTIMPKDIQLARRIRGERA A0A310TTQ1 Histone H4 Xenopus laevis 0.011394426 2 Escherichia coli LEVO MSGRGKGGKGLGKGGAKRHRKVLRDNIQGITKPAIRRLARRGGVKRISGLIYEETRGVLKVFLENVIRDAVTYTEHAKRK TVTAMDVVYALKRQGRTLYGFGG P62799 Histone H2A Xenopus laevis 0.014297685 2 Escherichia coli LEVO MGMSGRGKQGGKTRAKAKTRSSRAGLQFPVGRVHRLLRKGNYAERVGAGAPVYLAAVLEYLTAEILELAGNAARDNKKTR IIPRHLQLAVRNDEELNKLLGRVTIAQGGVLPNIQSVLLPKKTESSKSAKSK Q6AZJ8 Histone H2B Xenopus laevis 0.013655948 2 Escherichia coli LEVO MAKSAPAPKKGSKKAVTKTQKKDGKKRRKTRKESYAIYVYKVLKQVHPDTGISSKAMSIMNSFVNDVFERIAGEASRLAH YNKRSTITSREIQTAVRLLLPGELAKHAVSEGTKAVTKYTSAK A0A8J0U496 DNA (147-MER) Escherichia coli 0.045178797 1 (DC)(DT)(DG)(DG)(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)(DA) DNA DNA (147-MER) Escherichia coli 0.045570019999999996 1 (DT)(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)(DC)(DC)(DA)(DG) DNA Ubiquitin carboxyl-terminal hydrolase calypso Drosophila melanogaster 0.055928808999999996 2 Trichoplusia ni LEVO MWSHPQFEKGGGSGGGSGGGSWSHPQFEKGSSENLYFQGEFMNAAGGGSGAQAAAVAAGNNSLSHNALLSTASGATTMPM AQLADGWLELESDPGLFTLLLKDFGCHDVQVEEVYDLQKPIESPYGFIFLFRWIEERRARRKIVETTAEIFVKDEEAISS IFFAQQVVPNSCATHALLSVLLNCNENNLQLGDTLSRLKTHTKGMSPENKGLAIGNTPELACAHNSHAMPQARRRLERTG AGVSSCRFTGEAFHFVSFVPINGQLFELDGLKPYPMNHGGWEDSEDWTDKFRRVMAERLGIATGEQDIRFNLMAVVPDRR IAITHKLKMLRTNQAIVSGTLQKLLKADEQGESGNGDSQRPDTPTTLLEPSAFTARDLQSLLKNLDTEIAINEQHLADEN DRRHMFKVDASRRTHNYDKFICTFLSMLAHQGVLGELVSQHLLPSKKVSGQGAANRISKQSTTASAGGSTAAGTASTPKT QQQQAAAAKNGKSPSKTPGRRRKGRNKCRKRK Q7K5N4 3.4.19.12 Polycomb group protein Asx Drosophila melanogaster 0.037097965 2 Trichoplusia ni LEVO MKTITPDTTTTTSSQHQQLLIPQADQHHQPMLQQQSLLAAPPPTMIMEHVNLVDDDEKDPLALEQLEVSPSTKHTHSLRR HLPRIIVKPIPPEKKPMAPSEEAAVSTAPAPPTRLICSRRIQQQQQVKAAAAAAAAAAAAAAAAAAAAQAQATSSYPSAI SPGSKAGTSQASTMREVLASIPGFSVKPRRRSNKKLTTAAQIEQTKDGKIDLETPDSILASTNLRALLNKQTFSLLPPLY QYNLIQLLPSVDREASELEQPSSSASGGSPSEAIRLSASCLNNEFFARACLEWRERLSEGEFTPENQLKLKTEAEREKNK LDPWKLKHFEPFWGEKNSRG Q9V727 Polyubiquitin-B Homo sapiens 0.010001402 1 Escherichia coli LEVO GPHHHHHHLGSHMQIFVKTLTGKTITLEVEPSDTIENVKAKIQDKEGIPPDQQRLIFAGKQLEDGRTLSDYNIQKESTLH LVLRLRGC P0CG47 singleParticle particle 7.5 NITROGEN TFS KRIOS FLOOD BEAM BRIGHT FIELD FIELD EMISSION GUN 300 0.8 2.4 FEI FALCON IV (4k x 4k) 50.0 1 PHASE FLIPPING AND AMPLITUDE CORRECTION 6CGA 5.9 FSC 0.143 CUT-OFF cryoSPARC 4.2.1 27764 MAXIMUM LIKELIHOOD MAXIMUM LIKELIHOOD emd_64748.map.gz 1 IMAGE STORED AS FLOATING POINT NUMBER (4 BYTES) 208 208 208 0 0 0 208 208 208 295.36 295.36 295.36 90.0 90.0 90.0 X Y Z -0.040015012 0.93524575 0.0034009835 0.023241587 1.42 1.42 1.42 0.0772 AUTHOR emd_64748_msk_1.map emd_64748_half_map_1.map.gz 1 IMAGE STORED AS FLOATING POINT NUMBER (4 BYTES) 208 208 208 0 0 0 208 208 208 295.36 295.36 295.36 90.0 90.0 90.0 X Y Z -0.13503966 1.9371645 0.04115802 0.046852946 1.42 1.42 1.42 AUTHOR emd_64748_half_map_2.map.gz 1 IMAGE STORED AS FLOATING POINT NUMBER (4 BYTES) 208 208 208 0 0 0 208 208 208 295.36 295.36 295.36 90.0 90.0 90.0 X Y Z -0.13832068 1.9074334 0.04108172 0.047066983 1.42 1.42 1.42 AUTHOR