HMM Summary Page: TIGR02782

FunctionP-type conjugative transfer ATPase TrbB
Gene SymboltrbB
Trusted Cutoff304.55
Domain Trusted Cutoff304.55
Noise Cutoff248.80
Domain Noise Cutoff248.80
Isology Typeequivalog
HMM Length303
Mainrole CategoryCellular processes
Subrole CategoryConjugation
AuthorSelengut J
Entry DateJan 11 2006 11:40AM
Last ModifiedFeb 14 2011 3:27PM
CommentThe TrbB protein is found in the trb locus of Agrobacterium Ti plasmids where it is involved in the type IV secretion system for plasmid conjugative transfer [1]. TrbB is a homolog of the vir system VirB11 ATPase [2], and the Flp pilus sytem ATPase TadA [3].
ReferencesRN [1] RM PMID: 8763953 RT The tra region of the nopaline-type Ti plasmid is a chimera with elements related to the transfer systems of RSF1010, RP4, and F. RA Farrand SK, Hwang I, Cook DM. RL J Bacteriol. 1996 Jul;178(14):4233-47. RN [2] RM PMID: 15554962 RT Energetic components VirD4, VirB11 and VirB4 mediate early DNA transfer reactions required for bacterial type IV secretion. RA Atmakuri K, Cascales E, Christie PJ. RL Mol Microbiol. 2004 Dec;54(5):1199-211. RN [3] RM PMID: 11566992 RT Nonspecific adherence and fibril biogenesis by Actinobacillus actinomycetemcomitans: TadA protein is an ATPase. RA Bhattacharjee MK, Kachlany SC, Fine DH, Figurski DH. RL J Bacteriol. 2001 Oct;183(20):5927-36.
Genome PropertyGenProp0490: Ti-type conjugation system (HMM)