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9DDR

Ternary substrate complex of DNA polymerase iota with DNA (template A), Ca2+, and dTTP

Entity
Entity IDChain IDDescriptionTypeChain lengthFormula weightNumber of moleculesDB Name (Accession)Biological sourceDescriptive keywords
1A
(A)
DNA polymerase iotapolymer42047027.31UniProt (Q9UNA4)
Pfam (PF00817)
Pfam (PF21999)
Pfam (PF11799)
Homo sapiens (human)Eta2,RAD30 homolog B
2B
(B)
DNA (5'-D(P*AP*AP*GP*GP*GP*TP*CP*CP*TP*AP*GP*GP*AP*CP*CP*C)-3')polymer185501.61Homo sapiens
3C
(A)
THYMIDINE-5'-TRIPHOSPHATEnon-polymer482.21Chemie (TTP)
4D, E
(A)
CALCIUM IONnon-polymer40.12Chemie (CA)
5F, G
(A, B)
waterwater18.0144Chemie (HOH)
Sequence viewer
Contents of the asymmetric unit
PolymersNumber of chains2
Total formula weight52528.9
Non-Polymers*Number of molecules3
Total formula weight562.3
All*Total formula weight53091.2
*Water molecules are not included.

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PDB entries from 2026-02-11

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