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6PB4

The E. coli class-II CAP-dependent transcription activation complex with de novo RNA transcript at the state 2

Entity
Entity IDChain IDDescriptionTypeChain lengthFormula weightNumber of moleculesDB Name (Accession)Biological sourceDescriptive keywords
1A, B
(A, B)
DNA-directed RNA polymerase subunit alphapolymer32936558.72UniProt (P0A7Z6)
Pfam (PF01193)
Pfam (PF01000)
Pfam (PF03118)
UniProt (by SIFTS) (P0A7Z4)
Escherichia coliRNAP subunit alpha,RNA polymerase subunit alpha,Transcriptase subunit alpha
2C
(C)
DNA-directed RNA polymerase subunit betapolymer1342150820.91UniProt (B7MIX3)
Pfam (PF04560)
Pfam (PF04563)
Pfam (PF04561)
Pfam (PF04565)
Pfam (PF10385)
Pfam (PF00562)
UniProt (by SIFTS) (P0A8V2)
Escherichia coliRNAP subunit beta,RNA polymerase subunit beta,Transcriptase subunit beta
3D
(D)
DNA-directed RNA polymerase subunit beta'polymer1407155366.81UniProt (P0A8T8)
Pfam (PF04997)
Pfam (PF00623)
Pfam (PF04983)
Pfam (PF05000)
Pfam (PF04998)
UniProt (by SIFTS) (P0A8T7)
Escherichia coliRNAP subunit beta',RNA polymerase subunit beta',Transcriptase subunit beta'
4E
(E)
DNA-directed RNA polymerase subunit omegapolymer9110249.51UniProt (B7MFL0)
Pfam (PF01192)
UniProt (by SIFTS) (P0A800)
Escherichia coliRNAP omega subunit,RNA polymerase omega subunit,Transcriptase subunit omega
5F
(F)
RNA polymerase sigma factor RpoDpolymer62872206.31UniProt (P00579)
Pfam (PF03979)
Pfam (PF00140)
Pfam (PF04546)
Pfam (PF04542)
Pfam (PF04539)
Pfam (PF04545)
Escherichia coliSigma-70
6G, H
(G, H)
cAMP-activated global transcriptional regulator CRPpolymer21023672.42UniProt (P0ACK0)
Pfam (PF00027)
Pfam (PF13545)
UniProt (by SIFTS) (P0ACJ8)
Escherichia coliCatabolite activator protein,CAP,Catabolite gene activator,cAMP receptor protein,CRP,cAMP regulatory protein
7I
(1)
SYNTHETIC NONTEMPLATE STRAND DNA (78-MER)polymer7823976.31Escherichia coli
8J
(2)
SYNTHETIC TEMPLATE STRAND DNA (78-MER)polymer7824191.61Escherichia coli
9K
(3)
Nascent RNApolymer31134.61Escherichia coli
10L, M
(D)
ZINC IONnon-polymer65.42Chemie (ZN)
11N
(D)
MAGNESIUM IONnon-polymer24.31Chemie (MG)
12O, P
(G, H)
ADENOSINE-3',5'-CYCLIC-MONOPHOSPHATEnon-polymer329.22Chemie (CMP)
Sequence modifications
F: 1 - 613 (UniProt: P00579)
PDBExternal DatabaseDetails
Met -14-expression tag
Arg -13-expression tag
Gly -12-expression tag
Ser -11-expression tag
His -10-expression tag
His -9-expression tag
His -8-expression tag
His -7-expression tag
His -6-expression tag
His -5-expression tag
Thr -4-expression tag
Asp -3-expression tag
Gln -2-expression tag
Phe -1-expression tag
Thr 0-expression tag
Sequence viewer
Contents of the asymmetric unit
PolymersNumber of chains11
Total formula weight558408.2
Non-Polymers*Number of molecules5
Total formula weight813.5
All*Total formula weight559221.8
*Water molecules are not included.

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PDB entries from 2025-06-11

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