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7D7C

CryoEM structure of gp55-dependent RNA polymerase-promoter open complex

Entity
Entity IDChain IDDescriptionTypeChain lengthFormula weightNumber of moleculesDB Name (Accession)Biological sourceDescriptive keywords
1A, B
(A, B)
DNA-directed RNA polymerase subunit alphapolymer32936558.72UniProt (U9ZUN7)Escherichia coliRNAP subunit alpha,RNA polymerase subunit alpha,Transcriptase subunit alpha
2C
(C)
DNA-directed RNA polymerase subunit betapolymer1342150820.91UniProt (A0A080FHH4)Escherichia coli 1-392-07_S4_C3RNAP subunit beta,RNA polymerase subunit beta,Transcriptase subunit beta
3D
(D)
DNA-directed RNA polymerase subunit beta'polymer1407155366.81UniProt (D7Y6A2)Escherichia coliRNAP subunit beta',RNA polymerase subunit beta',Transcriptase subunit beta'
4E
(T)
DNA (template strand)polymer5918203.71Escherichia coli
5F
(F)
gp55polymer18521565.21UniProt (by SIFTS) (P04524)Escherichia coli
6G
(N)
DNA (nontemplate strand)polymer5918155.71Escherichia coli
7H
(D)
MAGNESIUM IONnon-polymer24.31Chemie (MG)
8I, J
(D)
ZINC IONnon-polymer65.42Chemie (ZN)
Sequence viewer
Contents of the asymmetric unit
PolymersNumber of chains7
Total formula weight437229.6
Non-Polymers*Number of molecules3
Total formula weight155.1
All*Total formula weight437384.7
*Water molecules are not included.

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PDB entries from 2025-10-15

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