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1S77

T7 RNAP product pyrophosphate elongation complex

Entity
Entity IDChain IDDescriptionTypeChain lengthFormula weightNumber of moleculesDB Name (Accession)Biological sourceDescriptive keywords
1A
(T)
DNA (5'-D(*GP*CP*CP*GP*TP*GP*CP*GP*CP*AP*TP*TP*CP*GP*CP*CP*GP*TP*GP*TP*T)-3')polymer216422.11
2B
(N)
DNA (5'-D(*TP*TP*TP*AP*CP*GP*TP*TP*GP*CP*GP*CP*AP*CP*GP*GP*C)-3')polymer175194.41
3C
(R)
RNA (5'-R(*AP*CP*AP*CP*GP*GP*CP*GP*AP*(3DA))-3')polymer103207.01
4D
(D)
DNA-directed RNA polymerasepolymer88398984.21UniProt (P00573)
Pfam (PF14700)
Pfam (PF00940)
Enterobacteria phage T7
5E, F
(R, D)
MAGNESIUM IONnon-polymer24.32Chemie (MG)
6G
(D)
PYROPHOSPHATE 2-non-polymer176.01Chemie (POP)
7H
(D)
waterwater18.01Chemie (HOH)
Sequence viewer
Contents of the asymmetric unit
PolymersNumber of chains4
Total formula weight113807.7
Non-Polymers*Number of molecules3
Total formula weight224.6
All*Total formula weight114032.3
*Water molecules are not included.

239803

PDB entries from 2025-08-06

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