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8I24

Clostridium thermocellum RNA polymerase transcription open complex with SigI6 and its promoter

Entity
Entity IDChain IDDescriptionTypeChain lengthFormula weightNumber of moleculesDB Name (Accession)Biological sourceDescriptive keywords
1A, B
(B, A)
DNA-directed RNA polymerase subunit alphapolymer31535071.12Pfam (PF01193)
Pfam (PF01000)
Pfam (PF03118)
UniProt (by SIFTS) (A3DJK1)
Acetivibrio thermocellus DSM 1313
2C
(C)
DNA-directed RNA polymerase subunit betapolymer1250140110.41Pfam (PF04560)
Pfam (PF04563)
Pfam (PF04561)
Pfam (PF04565)
Pfam (PF10385)
Pfam (PF00562)
UniProt (by SIFTS) (A3DIZ4)
Acetivibrio thermocellus DSM 1313
3D
(D)
DNA-directed RNA polymerase subunit beta'polymer1188132698.81Pfam (PF04997)
Pfam (PF00623)
Pfam (PF04983)
Pfam (PF05000)
Pfam (PF04998)
UniProt (by SIFTS) (A3DIZ5)
Acetivibrio thermocellus DSM 1313
4E
(E)
DNA-directed RNA polymerase subunit omegapolymer788783.11Pfam (PF01192)
UniProt (by SIFTS) (A3DF17)
Acetivibrio thermocellus DSM 1313
5F
(F)
RNA polymerase sigma factor SigI6polymer25430092.41UniProt (by SIFTS) (A3DH98)Acetivibrio thermocellus DSM 1313
6G
(O)
DNA (80-mer)polymer8024795.01Acetivibrio thermocellus
7H
(P)
DNA (80-mer)polymer8024606.71Acetivibrio thermocellus
8I, J
(D)
ZINC IONnon-polymer65.42Chemie (ZN)
9K
(D)
MAGNESIUM IONnon-polymer24.31Chemie (MG)
PubChem (888)
Sequence viewer
Contents of the asymmetric unit
PolymersNumber of chains8
Total formula weight431228.7
Non-Polymers*Number of molecules3
Total formula weight155.1
All*Total formula weight431383.8
*Water molecules are not included.

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PDB entries from 2026-04-08

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