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9Q97

CryoEM structure of bacterial transcription intermediate complex mediated by activator PspF containing nifH promoter DNA containing mismatch from -11 to -8 - conformation 2

Entity
Entity IDChain IDDescriptionTypeChain lengthFormula weightNumber of moleculesDB Name (Accession)Biological sourceDescriptive keywords
1A
(M)
RNA polymerase sigma-54 factorpolymer47753978.71UniProt (A0A0N9UTC1)
Pfam (PF00309)
Pfam (PF04963)
Pfam (PF04552)
Klebsiella pneumoniae
2B, C
(A, B)
DNA-directed RNA polymerase subunit alphapolymer32936558.72UniProt (P0A7Z4)
Pfam (PF01193)
Pfam (PF01000)
Pfam (PF03118)
Escherichia coli K-12RNAP subunit alpha,RNA polymerase subunit alpha,Transcriptase subunit alpha
3D
(C)
DNA-directed RNA polymerase subunit betapolymer1342150820.91UniProt (P0A8V2)
Pfam (PF00562)
Pfam (PF04560)
Pfam (PF04563)
Pfam (PF04561)
Pfam (PF04565)
Pfam (PF10385)
Escherichia coli K-12RNAP subunit beta,RNA polymerase subunit beta,Transcriptase subunit beta
4E
(D)
DNA-directed RNA polymerase subunit beta'polymer1407155366.81UniProt (P0A8T7)
Pfam (PF04997)
Pfam (PF00623)
Pfam (PF04983)
Pfam (PF05000)
Pfam (PF04998)
Escherichia coli K-12RNAP subunit beta',RNA polymerase subunit beta',Transcriptase subunit beta'
5F
(E)
DNA-directed RNA polymerase subunit omegapolymer9110249.51UniProt (P0A800)
Pfam (PF01192)
Escherichia coli K-12RNAP omega subunit,RNA polymerase omega subunit,Transcriptase subunit omega
6G, H, I, J, K...
(1, 2, 3, 4, 5...)
Psp operon transcriptional activatorpolymer25929390.76UniProt (P37344)
Pfam (PF00158)
Escherichia coli K-12Phage shock protein F
7M
(N)
Non-template DNA (34-MER)polymer3410420.71Escherichia coli K-12
8N
(T)
Template DNA (34-MER)polymer3410500.71Escherichia coli K-12
9AA, O, R, U, X
(5, 1, 2, 3, 4)
ADENOSINE-5'-DIPHOSPHATEnon-polymer427.25Chemie (ADP)
10BA, P, S, V, Z
(5, 1, 2, 3)
ALUMINUM FLUORIDEnon-polymer84.05Chemie (AF3)
11CA, Q, T, W, Y
(5, 1, 2, 3, 4)
MAGNESIUM IONnon-polymer24.35Chemie (MG)
Sequence viewer
Contents of the asymmetric unit
PolymersNumber of chains14
Total formula weight640798.7
Non-Polymers*Number of molecules15
Total formula weight2677.4
All*Total formula weight643476.1
*Water molecules are not included.

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PDB entries from 2025-07-16

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