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3SV4

Crystal structure of the large fragment of DNA polymerase I from Thermus Aquaticus in an open binary complex with dT as templating nucleobase

Entity
Entity IDChain IDDescriptionTypeChain lengthFormula weightNumber of moleculesDB Name (Accession)Biological sourceDescriptive keywords
1A
(A)
DNA polymerase I, thermostablepolymer54060937.01UniProt (P19821)
Pfam (PF09281)
Pfam (PF00476)
Thermus aquaticusTaq polymerase 1
2B
(B)
(5'-D(*GP*AP*CP*CP*AP*CP*GP*GP*CP*GP*CP*(DOC))-3')polymer123617.41
3C
(C)
(5'-D(*AP*AP*AP*TP*GP*GP*CP*GP*CP*CP*GP*TP*GP*GP*TP*C)-3')polymer164939.21
4D, E, F, H, I...
(A, B)
FORMIC ACIDnon-polymer46.09Chemie (FMT)
5G, M, O
(A, B, C)
MAGNESIUM IONnon-polymer24.33Chemie (MG)
6P, Q, R
(A, B, C)
waterwater18.0320Chemie (HOH)
Sequence viewer
Contents of the asymmetric unit
PolymersNumber of chains3
Total formula weight69493.5
Non-Polymers*Number of molecules12
Total formula weight487.1
All*Total formula weight69980.7
*Water molecules are not included.

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PDB entries from 2025-12-24

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