7XI9: Human DNMT1

Cryo-EM structure of human DNMT1 (aa:351-1616) in complex with ubiquitinated H3 and hemimethylated DNA analog (CXXC-ordered form). Determined by electron microscopy at 2.52 Å resolution. Released 30 Nov 2022.

Method
Electron microscopy
Resolution
2.52 Å
Organisms
Homo sapiens, synthetic construct
Chains
3
Atoms
7,620
Mol. weight
151.16 kDa
Ligands
SAH, ZN
Released
30 Nov 2022

Explore 7XI9 in 3D Show helices and sheets RCSB PDB PDBe

Secondary structure: helices and β-sheets

7XI9 contains 49 α-helices and 50 β-strands across 1 chain. Residue ranges use author residue numbering, as in the PDB file, from PDBe. To see them in 3D, choose the Cartoon representation with Secondary structure coloring: helices, sheets and coils get different colors.

Chain A: 49 helices, 50 β-strands

ElementResiduesLengthSheet
α-helix615-6173
β-strand61811
α-helix6191
α-helix622-6254
β-strand63611
α-helix658-6603
α-helix662-6632
α-helix670-6723
α-helix674-6763
β-strand762-76542
α-helix773-7742
β-strand775-78172
β-strand784-78523
β-strand789-79023
β-strand791-79992
α-helix800-8023
α-helix806-8083
β-strand813-824122
α-helix825-8273
β-strand828-83252
β-strand834-83632
α-helix843-8453
β-strand863-87082
β-strand875-87732
α-helix878-8803
α-helix894-90613
β-strand909-91684
β-strand920-92894
β-strand931-93444
β-strand938-94144
α-helix972-9743
α-helix987-9915
β-strand992-1002114
β-strand100315
β-strand100915
β-strand1015-102284
α-helix1024-10263
α-helix1033-10364
β-strand1041-1052124
α-helix1053-10553
β-strand1058-106474
α-helix1065-10673
α-helix1072-10765
β-strand1082-109094
β-strand1095-109734
α-helix1137-11382
β-strand1139-114462
α-helix1150-11578
β-strand1161-116772
α-helix1171-118010
β-strand1185-118732
α-helix1191-11999
β-strand120416
β-strand121016
α-helix1211-12133
β-strand1219-122242
α-helix1239-12457
α-helix1247-125812
β-strand1262-126872
α-helix1269-12713
α-helix1278-129013
β-strand1293-130082
α-helix1301-13044
β-strand130817
β-strand1311-131882
α-helix1323-13308
β-strand133218
α-helix1336-13383
β-strand1343-134539
β-strand1348-135039
β-strand136218
α-helix1363-13653
α-helix1367-13715
α-helix1375-13762
β-strand1385-1387310
α-helix1395-14017
β-strand1408-1410310
α-helix1419-14268
α-helix1436-14383
β-strand1444-1445211
β-strand1451-1452211
β-strand1453112
β-strand1459113
β-strand1474113
α-helix1477-14793
β-strand1494112
α-helix1499-15035
α-helix1504-15063
α-helix1508-15103
α-helix15151
β-strand1516114
α-helix15171
β-strand152317
β-strand1540114
β-strand1547114
α-helix1550-15567
α-helix1569-157810
α-helix1580-15812
α-helix1582-160726

Molecules and chains

MoleculeChainsTypeLengthOrganismUniProt
DNA (cytosine-5)-methyltransferase 1Aprotein1266Homo sapiensP26358 (AlphaFold model)
DNA (5'-D(*AP*CP*TP*TP*AP*(5CM)P*GP*GP*AP*AP*GP*G)-3')BDNA12synthetic construct
DNA (5'-D(*CP*CP*TP*TP*CP*(C55)P*GP*TP*AP*AP*GP*T)-3')CDNA12synthetic construct
Sequence of entity 1 (A), FASTA
>7XI9_1 DNA (cytosine-5)-methyltransferase 1 (chains A)
PKCIQCGQYLDDPDLKYGQHPPDAVDEPQMLTNEKLSIFDANESGFESYEALPQHKLTCF
SVYCKHGHLCPIDTGLIEKNIELFFSGSAKPIYDDDPSLEGGVNGKNLGPINEWWITGFD
GGEKALIGFSTSFAEYILMDPSPEYAPIFGLMQEKIYISKIVVEFLQSNSDSTYEDLINK
IETTVPPSGLNLNRFTEDSLLRHAQFVVEQVESYDEAGDSDEQPIFLTPCMRDLIKLAGV
TLGQRRAQARRQTIRHSTREKDRGPTKATTTKLVYQIFDTFFAEQIEKDDREDKENAFKR
RRCGVCEVCQQPECGKCKACKDMVKFGGSGRSKQACQERRCPNMAMKEADDDEEVDDNIP
EMPSPKKMHQGKKKKQNKNRISWVGEAVKTDGKKSYYKKVCIDAETLEVGDCVSVIPDDS
SKPLYLARVTALWEDSSNGQMFHAHWFCAGTDTVLGATSDPLELFLVDECEDMQLSYIHS
KVKVIYKAPSENWAMEGGMDPESLLEGDDGKTYFYQLWYDQDYARFESPPKTQPTEDNKF
KFCVSCARLAEMRQKEIPRVLEQLEDLDSRVLYYSATKNGILYRVGDGVYLPPEAFTFNI
KLSSPVKRPRKEPVDEDLYPEHYRKYSDYIKGSNLDAPEPYRIGRIKEIFCPKKSNGRPN
ETDIKIRVNKFYRPENTHKSTPASYHADINLLYWSDEEAVVDFKAVQGRCTVEYGEDLPE
CVQVYSMGGPNRFYFLEAYNAKSKSFEDPPNHARSPGNKGKGKGKGKGKPKSQACEPSEP
EIEIKLPKLRTLDVFSGCGGLSEGFHQAGISDTLWAIEMWDPAAQAFRLNNPGSTVFTED
CNILLKLVMAGETTNSRGQRLPQKGDVEMLCGGPPCQGFSGMNRFNSRTYSKFKNSLVVS
FLSYCDYYRPRFFLLENVRNFVSFKRSMVLKLTLRCLVRMGYQCTFGVLQAGQYGVAQTR
RRAIILAAAPGEKLPLFPEPLHVFAPRACQLSVVVDDKKFVSNITRLSSGPFRTITVRDT
MSDLPEVRNGASALEISYNGEPQSWFQRQLRGAQYQPILRDHICKDMSALVAARMRHIPL
APGSDWRDLPNIEVRLSDGTMARKLRYTHHDRKNGRSSSGALRGVCSCVEAGKACDPAAR
QFNTLIPWCLPHTGNRHNHWAGLYGRLEWDGFFSTTVTNPEPMGKQGRVLHPEQHRVVSV
RECARSQGFPDTYRLFGNILDKHRQVGNAVPPPLAKAIGLEIKLCMLAKARESASAKIKE
EEAAKD
Sequence of entity 2 (B), FASTA
>7XI9_2 DNA (5'-D(*AP*CP*TP*TP*AP*(5CM)P*GP*GP*AP*AP*GP*G)-3') (chains B)
ACTTACGGAAGG
Sequence of entity 3 (C), FASTA
>7XI9_3 DNA (5'-D(*CP*CP*TP*TP*CP*(C55)P*GP*TP*AP*AP*GP*T)-3') (chains C)
CCTTCCGTAAGT

Ligands and cofactors

IDNameFormulaCopies
SAHS-adenosyl-L-homocysteineC14 H20 N6 O5 S1
ZNZinc ionZn4

Primary citation

Structural basis for activation of DNMT1. Kikuchi, A., Onoda, H., Yamaguchi, K. et al. Nat Commun (2022) 13:7130-7130. DOI 10.1038/s41467-022-34779-4 · PubMed

Other PDB entries of the same protein (UniProt P26358 (AlphaFold model), which also has an AlphaFold model), best resolution first:

Browse structure collections

About this viewer

MolViewer shows 7XI9 directly in your browser with nothing to install. Switch between cartoon, ball-and-stick, spacefill and surface views, color by chain, secondary structure or B-factor, measure distances, angles and dihedrals, and share or embed the view.