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4YFN

Escherichia coli RNA polymerase in complex with squaramide compound 14 (N-[3,4-dioxo-2-(4-{[4-(trifluoromethyl)benzyl]amino}piperidin-1-yl)cyclobut-1-en-1-yl]-3,5-dimethyl-1,2-oxazole-4-sulfonamide)

Entity
Entity IDChain IDDescriptionTypeChain lengthFormula weightNumber of moleculesDB Name (Accession)Biological sourceDescriptive keywords
1A, B, G, H
(A, B, G, H)
DNA-directed RNA polymerase subunit alphapolymer32936558.74UniProt (A7ZSI4)
Pfam (PF01193)
Pfam (PF01000)
Pfam (PF03118)
Escherichia coli O139:H28 (strain E24377A / ETEC)RNAP subunit alpha,RNA polymerase subunit alpha,Transcriptase subunit alpha
2C, I
(C, I)
DNA-directed RNA polymerase subunit betapolymer1342150820.92UniProt (A7ZUK1)
Pfam (PF04560)
Pfam (PF04563)
Pfam (PF04561)
Pfam (PF04565)
Pfam (PF10385)
Pfam (PF00562)
Escherichia coli O139:H28 (strain E24377A / ETEC)RNAP subunit beta,RNA polymerase subunit beta,Transcriptase subunit beta
3D, J
(D, J)
DNA-directed RNA polymerase subunit beta'polymer1407155366.82UniProt (A7ZUK2)
Pfam (PF04997)
Pfam (PF00623)
Pfam (PF04983)
Pfam (PF05000)
Pfam (PF04998)
Escherichia coli O139:H28 (strain E24377A / ETEC)RNAP subunit beta',RNA polymerase subunit beta',Transcriptase subunit beta'
4E, K
(E, K)
DNA-directed RNA polymerase subunit omegapolymer9110249.52UniProt (A7ZTK1)
Pfam (PF01192)
Escherichia coli O139:H28 (strain E24377A / ETEC)RNAP omega subunit,RNA polymerase omega subunit,Transcriptase subunit omega
5F, L
(F, L)
RNA polymerase sigma factor RpoDpolymer61370352.22UniProt (P00579)
Pfam (PF03979)
Pfam (PF00140)
Pfam (PF04546)
Pfam (PF04542)
Pfam (PF04539)
Pfam (PF04545)
Escherichia coli (strain K12)Sigma-70
6M, Q
(D, J)
MAGNESIUM IONnon-polymer24.32Chemie (MG)
7N, O, R, S
(D, J)
ZINC IONnon-polymer65.44Chemie (ZN)
8P, T
(D, J)
N-[3,4-dioxo-2-(4-{[4-(trifluoromethyl)benzyl]amino}piperidin-1-yl)cyclobut-1-en-1-yl]-3,5-dimethyl-1,2-oxazole-4-sulfonamidenon-polymer512.52Chemie (4C2)
Sequence viewer
Contents of the asymmetric unit
PolymersNumber of chains12
Total formula weight919813.6
Non-Polymers*Number of molecules8
Total formula weight1335.3
All*Total formula weight921148.9
*Water molecules are not included.

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PDB entries from 2025-06-11

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