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5EZK

RNA polymerase model placed by Molecular replacement into X-ray diffraction map of DNA-bound RNA Polymerase-Sigma 54 holoenzyme 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 (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 (P0A8V4)
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 (P0A800)
Pfam (PF01192)
Escherichia coliRNAP omega subunit,RNA polymerase omega subunit,Transcriptase subunit omega
Sequence viewer
Contents of the asymmetric unit
PolymersNumber of chains5
Total formula weight389554.6
All*Total formula weight389554.6
*Water molecules are not included.

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PDB entries from 2025-06-11

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