This entry represents the N-terminal Cache-like domain of the alkaline phosphatase synthesis sensor protein PhoR. It covers part of the PAS-like fold that share a central five-stranded beta- sheet of identical topology to other PAS domains [1].

1: Cache Domains That are Homologous to, but Different from PAS Domains Comprise the Largest Superfamily of Extracellular Sensors in Prokaryotes. Upadhyay AA, Fleetwood AD, Adebali O, Finn RD, Zhulin IB; PLoS Comput Biol. 2016;12:e1004862. PMID:27049771