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9MSH

de novo SigN RNA polymerase open complex (RPo)

Entity
Entity IDChain IDDescriptionTypeChain lengthFormula weightNumber of moleculesDB Name (Accession)Biological sourceDescriptive keywords
1A, B
(G, H)
DNA-directed RNA polymerase subunit alphapolymer32936558.72UniProt (P0A7Z4)
Pfam (PF01193)
Pfam (PF01000)
Pfam (PF03118)
Escherichia coliRNAP subunit alpha,RNA polymerase subunit alpha,Transcriptase subunit alpha
2C
(I)
DNA-directed RNA polymerase subunit betapolymer1342150820.91UniProt (P0A8V2)
Pfam (PF04560)
Pfam (PF04563)
Pfam (PF04561)
Pfam (PF04565)
Pfam (PF10385)
Pfam (PF00562)
Escherichia coliRNAP subunit beta,RNA polymerase subunit beta,Transcriptase subunit beta
3D
(J)
DNA-directed RNA polymerase subunit beta'polymer1415156338.91UniProt (P0A8T7)
Pfam (PF04997)
Pfam (PF00623)
Pfam (PF04983)
Pfam (PF05000)
Pfam (PF04998)
Escherichia coliRNAP subunit beta',RNA polymerase subunit beta',Transcriptase subunit beta'
4E
(K)
DNA-directed RNA polymerase subunit omegapolymer9110249.51UniProt (P0A800)
Pfam (PF01192)
Escherichia coliRNAP omega subunit,RNA polymerase omega subunit,Transcriptase subunit omega
5F
(M)
RNA polymerase sigma-54 factorpolymer47754043.51UniProt (P24255)
Pfam (PF00309)
Pfam (PF04963)
Pfam (PF04552)
Escherichia coli
6G
(U)
dhsU (-60 to +30) non-template strandpolymer9028003.01Aquifex aeolicus VF5
7H
(V)
dhsU (-60 to +30) template strandpolymer9027507.61Aquifex aeolicus VF5
8I
(I)
PYROPHOSPHATE 2-non-polymer176.01Chemie (POP)
9J
(J)
MAGNESIUM IONnon-polymer24.31Chemie (MG)
10K, L
(J)
ZINC IONnon-polymer65.42Chemie (ZN)
11M, N, O, P, Q...
(G, H, I, J, K...)
waterwater18.0348Chemie (HOH)
Sequence modifications
J: 1 - 1407 (UniProt: P0A8T7)
PDBExternal DatabaseDetails
Leu 1408-expression tag
Glu 1409-expression tag
Leu 1410-expression tag
Glu 1411-expression tag
Val 1412-expression tag
Leu 1413-expression tag
Phe 1414-expression tag
Gln 1415-expression tag
Sequence viewer
Contents of the asymmetric unit
PolymersNumber of chains8
Total formula weight500080.8
Non-Polymers*Number of molecules4
Total formula weight331.1
All*Total formula weight500411.9
*Water molecules are not included.

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PDB entries from 2025-09-24

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