HMM Summary Page: TIGR02388

FunctionDNA-directed RNA polymerase, beta'' subunit
Trusted Cutoff467.40
Domain Trusted Cutoff467.40
Noise Cutoff461.75
Domain Noise Cutoff461.75
Isology Typeequivalog
EC Number2.7.7.6
HMM Length1230
Mainrole CategoryTranscription
Subrole CategoryDNA-dependent RNA polymerase
AuthorHaft DH
Entry DateDec 1 2004 1:50PM
Last ModifiedFeb 14 2011 3:27PM
CommentThe family consists of the product of the rpoC2 gene, a subunit of DNA-directed RNA polymerase of cyanobacteria and chloroplasts. RpoC2 corresponds largely to the C-terminal region of the RpoC (the beta' subunit) of other bacteria. Members of this family are designated beta'' in chloroplasts/plastids, and beta' (confusingly) in Cyanobacteria, where RpoC1 is called beta' in chloroplasts/plastids and gamma in Cyanobacteria. We prefer to name this family beta'', after its organellar members, to emphasize that this RpoC1 and RpoC2 together replace RpoC in other bacteria.
ReferencesRM 2495268 RT Cyanobacterial RNA polymerase genes rpoC1 and rpoC2 correspond to rpoC of Escherichia coli. RA Xie WQ, Jager K, Potts M. RL J Bacteriol. 1989 Apr;171(4):1967-73. DR HAMAP; MF_01324; 145 of 150
Genome PropertyGenProp0262: RNA polymerase, bacterial (HMM)