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5TB8

Precatalytic ternary complex of Human DNA Polymerase Beta in closed conformation With Gapped DNA substrate incoming (-)3TC-TP and Mn2+.

Entity
Entity IDChain IDDescriptionTypeChain lengthFormula weightNumber of moleculesDB Name (Accession)Biological sourceDescriptive keywords
1A
(A)
DNA polymerase betapolymer34339258.81UniProt (P06746)
Pfam (PF14716)
Pfam (PF10391)
Pfam (PF14792)
Pfam (PF14791)
Homo sapiens (Human)
2B
(D)
5-MER PHOSPHORYLATED DOWNSTREAM PRIMEpolymer51536.01Synthetic construct
3C
(P)
10- MER PRIMERpolymer103061.01Synthetic construct
4D
(T)
16- MER TEMPLATEpolymer164869.21Synthetic construct
5E
(A)
Lamivudine Triphosphatenon-polymer469.21Chemie (1RZ)
6F, G, H, I, J...
(A)
MANGANESE (II) IONnon-polymer54.96Chemie (MN)
7L, M, N, O, P
(A)
SODIUM IONnon-polymer23.05Chemie (NA)
8Q, R
(A)
CHLORIDE IONnon-polymer35.52Chemie (CL)
9S, T, U, V, W...
(A)
ACETATE IONnon-polymer59.06Chemie (ACT)
10AA, BA, Y, Z
(P, T, A, D)
waterwater18.0201Chemie (HOH)
Sequence modifications
A: 1 - 335 (UniProt: P06746)
PDBExternal DatabaseDetails
Met -1-initiating methionine
Gly 0-expression tag
His 336-expression tag
His 337-expression tag
His 338-expression tag
His 339-expression tag
His 340-expression tag
His 341-expression tag
Sequence viewer
Contents of the asymmetric unit
PolymersNumber of chains4
Total formula weight48725.0
Non-Polymers*Number of molecules20
Total formula weight1338.9
All*Total formula weight50063.9
*Water molecules are not included.

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PDB entries from 2025-07-16

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