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4KLF

DNA polymerase beta matched reactant complex with Mg2+, 20 s

Entity
Entity IDChain IDDescriptionTypeChain lengthFormula weightNumber of moleculesDB Name (Accession)Biological sourceDescriptive keywords
1A
(T)
5'-D(*CP*CP*GP*AP*CP*GP*GP*CP*GP*CP*AP*TP*CP*AP*GP*C)-3'polymer164869.21
2B
(P)
5'-D(*GP*CP*TP*GP*AP*TP*GP*CP*GP*CP*C)-3'polymer113350.21
3C
(D)
5'-D(P*GP*TP*CP*GP*G)-3'polymer51536.01
4D
(A)
DNA polymerase betapolymer33538241.71UniProt (P06746)
Pfam (PF14716)
Pfam (PF10391)
Pfam (PF14792)
Pfam (PF14791)
Homo sapiens (human)
5E, F
(A)
MAGNESIUM IONnon-polymer24.32Chemie (MG)
PubChem (888)
6G
(A)
2'-DEOXYCYTIDINE-5'-TRIPHOSPHATEnon-polymer467.21Chemie (DCP)
PubChem (44119993)
PubChem (65091)
PubChem (46936621)
PubChem (53393445)
PubChem (57187895)
PubChem (472334)
PubChem (625)
PubChem (92436637)
PubChem (92449132)
PubChem (92449133)
PubChem (121522025)
PubChem (171699322)
PubChem (129069886)
7H
(A)
PYROPHOSPHATEnon-polymer178.01Chemie (PPV)
PubChem (1023)
8I, J
(A)
CHLORIDE IONnon-polymer35.52Chemie (CL)
PubChem (312)
9K, L
(A)
SODIUM IONnon-polymer23.02Chemie (NA)
PubChem (923)
10M, N, O, P
(T, P, D, A)
waterwater18.0407Chemie (HOH)
Sequence viewer
Contents of the asymmetric unit
PolymersNumber of chains4
Total formula weight47997.0
Non-Polymers*Number of molecules8
Total formula weight810.6
All*Total formula weight48807.7
*Water molecules are not included.

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PDB entries from 2026-05-13

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