CATH Classification

Domain Context

CATH Clusters

Superfamily RNA polymerase, RBP11-like subunit
Functional Family DNA-directed RNA polymerase subunit alpha

Enzyme Information

2.7.7.6
DNA-directed RNA polymerase.
based on mapping to UniProt Q9Z9H6
Nucleoside triphosphate + RNA(n) = diphosphate + RNA(n+1).
-!- Catalyzes DNA-template-directed extension of the 3'-end of an RNA strand by one nucleotide at a time. -!- Can initiate a chain de novo. -!- In eukaryotes three forms of the enzyme have been distinguished on the basis of sensitivity of alpha-amanitin, and the type of RNA synthesized. -!- See also EC 2.7.7.19 and EC 2.7.7.48.

UniProtKB Entries (2)

Q9Z9H6
RPOA_THETH
Thermus thermophilus
DNA-directed RNA polymerase subunit alpha
Q8RQE7
RPOZ_THET8
Thermus thermophilus HB8
DNA-directed RNA polymerase subunit omega

PDB Structure

PDB 3EQL
External Links
Method X-RAY DIFFRACTION
Organism
Primary Citation
Transcription inactivation through local refolding of the RNA polymerase structure.
Belogurov, G.A., Vassylyeva, M.N., Sevostyanova, A., Appleman, J.R., Xiang, A.X., Lira, R., Webber, S.E., Klyuyev, S., Nudler, E., Artsimovitch, I., Vassylyev, D.G.
Nature
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