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4DSJ

Crystal structure of fragment DNA polymerase I from Bacillus stearothermophilus with duplex DNA, dGTP and Calcium

Entity
Entity IDChain IDDescriptionTypeChain lengthFormula weightNumber of moleculesDB Name (Accession)Biological sourceDescriptive keywords
1A, B
(A, B)
DNA polymerasepolymer57966101.82UniProt (D9N168)
Pfam (PF22619)
Pfam (PF00476)
UniProt (by SIFTS) (E1C9K5)
Geobacillus stearothermophilus
2C, E
(C, E)
DNApolymer123687.42
3D, F
(D, F)
dGTPpolymer103021.02
4G
(A)
2'-DEOXYGUANOSINE-5'-TRIPHOSPHATEnon-polymer507.21Chemie (DGT)
5H, I
(A)
CALCIUM IONnon-polymer40.12Chemie (CA)
6J, K
(A, B)
waterwater18.09Chemie (HOH)
Sequence modifications
A, B: 298 - 876 (UniProt: D9N168)
PDBExternal DatabaseDetails
Asp 598Ala 301engineered mutation
Val 713Pro 416engineered mutation
Sequence viewer
Contents of the asymmetric unit
PolymersNumber of chains6
Total formula weight145620.3
Non-Polymers*Number of molecules3
Total formula weight587.3
All*Total formula weight146207.7
*Water molecules are not included.

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PDB entries from 2025-07-23

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