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3SZ2

Crystal structure of the large fragment of DNA polymerase I from Thermus Aquaticus in an open binary complex with dG 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*(DDG))-3')polymer123657.41
3C
(D)
(5'-D(*AP*AP*AP*GP*CP*GP*CP*GP*CP*CP*GP*TP*GP*GP*TP*C)-3')polymer164924.21
4D, E, F, I, J...
(A, D)
FORMIC ACIDnon-polymer46.06Chemie (FMT)
5G
(B)
MAGNESIUM IONnon-polymer24.31Chemie (MG)
6H
(D)
GLYCEROLnon-polymer92.11Chemie (GOL)
7L, M, N
(A, B, D)
waterwater18.0295Chemie (HOH)
Sequence viewer
Contents of the asymmetric unit
PolymersNumber of chains3
Total formula weight69518.6
Non-Polymers*Number of molecules8
Total formula weight392.5
All*Total formula weight69911.1
*Water molecules are not included.

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PDB entries from 2025-06-25

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