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3PTA

Crystal structure of human DNMT1(646-1600) in complex with DNA

Entity
Entity IDChain IDDescriptionTypeChain lengthFormula weightNumber of moleculesDB Name (Accession)Biological sourceDescriptive keywords
1A
(A)
DNA (cytosine-5)-methyltransferase 1polymer956108060.31UniProt (P26358)
Pfam (PF02008)
Pfam (PF01426)
Pfam (PF00145)
Homo sapiens (human)Dnmt1, CXXC-type zinc finger protein 9, DNA methyltransferase HsaI, DNA MTase HsaI, M.HsaI, MCMT
2B
(B)
DNA (5'-D(*TP*CP*CP*CP*GP*TP*GP*AP*GP*CP*CP*TP*CP*CP*GP*CP*AP*GP*G)-3')polymer195782.71
3C
(C)
DNA (5'-D(*CP*CP*TP*GP*CP*GP*GP*AP*GP*GP*CP*TP*CP*AP*CP*GP*GP*GP*A)-3')polymer195871.81
4D
(A)
S-ADENOSYL-L-HOMOCYSTEINEnon-polymer384.41Chemie (SAH)
PubChem (16760024)
PubChem (25210495)
PubChem (177678424)
PubChem (21125603)
PubChem (25203782)
PubChem (52224400)
PubChem (44361184)
PubChem (46936206)
PubChem (50989525)
PubChem (51380914)
PubChem (6419189)
PubChem (52224398)
PubChem (57544532)
PubChem (164157219)
PubChem (59046843)
PubChem (59170628)
PubChem (59576228)
PubChem (66805708)
PubChem (70689219)
PubChem (70702054)
PubChem (70832431)
PubChem (118374891)
PubChem (118560068)
PubChem (193)
PubChem (13792)
PubChem (189149)
PubChem (439155)
PubChem (5284331)
PubChem (126969526)
PubChem (71170554)
PubChem (129105892)
PubChem (13231890)
PubChem (143518505)
PubChem (154578335)
PubChem (163054214)
PubChem (163335525)
5E, F, G, H
(A)
ZINC IONnon-polymer65.44Chemie (ZN)
Sequence modifications
A: 646 - 1600 (UniProt: P26358)
PDBExternal DatabaseDetails
Ser 645-expression tag
Sequence viewer
Contents of the asymmetric unit
PolymersNumber of chains3
Total formula weight119714.8
Non-Polymers*Number of molecules5
Total formula weight646.0
All*Total formula weight120360.9
*Water molecules are not included.

253795

PDB entries from 2026-05-20

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