Protein
Resuscitation-promoting factor RpfA
Organism
Mycobacterium tuberculosis (strain ATCC 25618 / H37Rv)
Function
Factor that stimulates resuscitation of dormant cells. Has peptidoglycan (PG) hydrolytic activity. Active in the pM concentration range. Has little to no effect on actively-growing cells. PG fragments could either directly activate the resuscitation pathway of dormant bacteria or serve as a substrate for endogenous Rpf, resulting in low molecular weight products with resuscitation activity. Stimulates growth of stationary phase M.bovis (a slow-growing Mycobacterium), reduces the lag phase of diluted fast-growers M.smegmatis and Micrococcus luteus.
Similarity
Belongs to the transglycosylase family. Rpf subfamily.
Sequence
MSGRHRKPTTSNVSVAKIAFTGAVLGGGGIAMAAQATAATDGEWDQVARCESGGNWSINTGNGYLGGLQFTQSTWAAHGGGEFAPSAQLASREQQIAVGERVLATQGRGAWPVCGRGLSNATPREVLPASAAMDAPLDAAAVNGEPAPLAPPPADPAPPVELAANDLPAPLGEPLPAAPADPAPPADLAPPAPADVAPPVELAVNDLPAPLGEPLPAAPADPAPPADLAPPAPADLAPPAPADLAPPAPADLAPPVELAVNDLPAPLGEPLPAAPAELAPPADLAPASADLAPPAPADLAPPAPAELAPPAPADLAPPAAVNEQTAPGDQPATAPGGPVGLATDLELPEPDPQPADAPPPGDVTEAPAETPQVSNIAYTKKLWQAIRAQDVCGNDALDSLAQPYVIG