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6CTQ

Ternary complex crystal structure of DNA polymerase Beta with a dideoxy terminated primer with dCTP

Entity
Entity IDChain IDDescriptionTypeChain lengthFormula weightNumber of moleculesDB Name (Accession)Biological sourceDescriptive keywords
1A
(T)
DNA (5'-D(*CP*CP*GP*AP*CP*GP*TP*CP*GP*CP*AP*TP*CP*AP*GP*C)-3')polymer164844.11Homo sapiens
2B
(P)
DNA (5'-D(*GP*CP*TP*GP*AP*TP*GP*CP*GP*(2DA))-3')polymer103069.01Homo sapiens
3C
(D)
DNA (5'-D(P*GP*TP*CP*GP*G)-3')polymer51536.01Homo sapiens
4D
(A)
DNA polymerase betapolymer33538283.81UniProt (P06746)
Pfam (PF14716)
Pfam (PF10391)
Pfam (PF14792)
Pfam (PF14791)
Homo sapiens (Human)
5E, I
(T, A)
MAGNESIUM IONnon-polymer24.32Chemie (MG)
PubChem (888)
6F, G, H
(P, D, A)
SODIUM IONnon-polymer23.03Chemie (NA)
PubChem (923)
7J, M
(A)
CHLORIDE IONnon-polymer35.52Chemie (CL)
PubChem (312)
8K
(A)
2'-DEOXYCYTIDINE-5'-TRIPHOSPHATEnon-polymer467.21Chemie (DCP)
PubChem (65091)
PubChem (472334)
PubChem (44119993)
PubChem (46936621)
PubChem (625)
PubChem (53393445)
PubChem (57187895)
PubChem (171699322)
PubChem (92436637)
PubChem (92449132)
PubChem (92449133)
PubChem (121522025)
PubChem (129069886)
9L
(A)
2'-DEOXYCYTIDINE-5'-MONOPHOSPHATEnon-polymer307.21Chemie (DC)
10N, O, P, Q
(T, P, D, A)
waterwater18.0496Chemie (HOH)
Sequence modifications
A: 1 - 335 (UniProt: P06746)
PDBExternal DatabaseDetails
Leu 70Ala 70conflict
Sequence viewer
Contents of the asymmetric unit
PolymersNumber of chains4
Total formula weight47733.0
Non-Polymers*Number of molecules9
Total formula weight962.8
All*Total formula weight48695.8
*Water molecules are not included.

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PDB entries from 2026-04-08

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