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1L9Z

Thermus aquaticus RNA Polymerase Holoenzyme/Fork-Junction Promoter DNA Complex at 6.5 A Resolution

Entity
Entity IDChain IDDescriptionTypeChain lengthFormula weightNumber of moleculesDB Name (Accession)Biological sourceDescriptive keywords
1A
(U)
nontemplate DNA strandpolymer3510802.01
2B
(T)
template DNA strandpolymer309166.91
3C, D
(A, B)
RNA POLYMERASE, ALPHA SUBUNITpolymer31434830.92UniProt (Q9KWU8)
Pfam (PF01193)
Pfam (PF01000)
Pfam (PF03118)
Thermus aquaticus
4E
(C)
RNA POLYMERASE, BETA SUBUNITpolymer1118124800.91UniProt (Q9KWU7)
Pfam (PF04563)
Pfam (PF04561)
Pfam (PF04565)
Pfam (PF10385)
Pfam (PF00562)
Pfam (PF04560)
Thermus aquaticus
5F
(D)
RNA POLYMERASE, BETA-PRIME SUBUNITpolymer1524171187.51UniProt (Q9KWU6)
Pfam (PF04997)
Pfam (PF21668)
Pfam (PF00623)
Pfam (PF04983)
Pfam (PF05000)
Pfam (PF04998)
Thermus aquaticus
6G
(E)
RNA POLYMERASE, OMEGA SUBUNITpolymer9911642.41UniProt (Q9EVV4)
Pfam (PF01192)
Thermus aquaticus
7H
(H)
SIGMA FACTOR SIGApolymer43849922.91UniProt (Q9EZJ8)
Pfam (PF00140)
Pfam (PF04542)
Pfam (PF04539)
Pfam (PF04545)
Thermus aquaticus
8I
(D)
MAGNESIUM IONnon-polymer24.31Chemie (MG)
9J, K
(D)
ZINC IONnon-polymer65.42Chemie (ZN)
Sequence modifications
C: 1 - 1119 (UniProt: Q9KWU7)
PDBExternal DatabaseDetails
-Glu 622deletion
Sequence viewer
Contents of the asymmetric unit
PolymersNumber of chains8
Total formula weight447184.4
Non-Polymers*Number of molecules3
Total formula weight155.1
All*Total formula weight447339.5
*Water molecules are not included.

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PDB entries from 2025-06-18

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