This protein is a conserved membrane protein [1]. The yfhO gene is transcribed in Difco sporulation medium and the transcription is affected by the YvrGHb two-component system. Some members of this family have been annotated as glycosyl transferases of the PMT family.

1: Functional analysis of the YvrGHb two-component system of Bacillus subtilis: identification of the regulated genes by DNA microarray and northern blot analyses. Serizawa M, Kodama K, Yamamoto H, Kobayashi K, Ogasawara N, Sekiguchi J; Biosci Biotechnol Biochem. 2005;69:2155-2169. PMID:16306698