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6ASG

Crystal structure of Thermus thermophilus RNA polymerase core enzyme

Entity
Entity IDChain IDDescriptionTypeChain lengthFormula weightNumber of moleculesDB Name (Accession)Biological sourceDescriptive keywords
1A
(C)
DNA-directed RNA polymerase subunit betapolymer1119125436.51UniProt (Q8RQE9)
Pfam (PF04563)
Pfam (PF04561)
Pfam (PF04565)
Pfam (PF10385)
Pfam (PF00562)
Pfam (PF04560)
Thermus thermophilus (strain HB8 / ATCC 27634 / DSM 579)RNAP subunit beta,RNA polymerase subunit beta,Transcriptase subunit beta
2B
(D)
DNA-directed RNA polymerase subunit beta'polymer1524170997.41UniProt (Q8RQE8)
Pfam (PF04997)
Pfam (PF21668)
Pfam (PF00623)
Pfam (PF04983)
Pfam (PF05000)
Pfam (PF04998)
Thermus thermophilus (strain HB8 / ATCC 27634 / DSM 579)RNAP subunit beta',RNA polymerase subunit beta',Transcriptase subunit beta'
3C, D
(A, B)
DNA-directed RNA polymerase subunit alphapolymer31535056.22UniProt (Q5SHR6)
Pfam (PF01193)
Pfam (PF01000)
Pfam (PF03118)
Thermus thermophilus (strain HB8 / ATCC 27634 / DSM 579)RNAP subunit alpha,RNA polymerase subunit alpha,Transcriptase subunit alpha
4E
(E)
DNA-directed RNA polymerase subunit omegapolymer9911533.31UniProt (Q8RQE7)
Pfam (PF01192)
Thermus thermophilus (strain HB8 / ATCC 27634 / DSM 579)RNAP omega subunit,RNA polymerase omega subunit,Transcriptase subunit omega
5F, H
(D)
ZINC IONnon-polymer65.42Chemie (ZN)
6G
(D)
MAGNESIUM IONnon-polymer24.31Chemie (MG)
Sequence viewer
Contents of the asymmetric unit
PolymersNumber of chains5
Total formula weight378079.6
Non-Polymers*Number of molecules3
Total formula weight155.1
All*Total formula weight378234.7
*Water molecules are not included.

249697

PDB entries from 2026-02-25

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