This domain is found in Rv3651 from Mycobacterium tuberculosis (Swiss:I6YCP0) and similar proteins from Actinobacteria. Rv3651 adopts a three-domain configuration. This entry represents the middle domain, a PAS domain that shows a central antiparallel beta-sheet of five beta-strands [1].

1: Mycobacterium tuberculosis Rv3651 is a triple sensor-domain protein. Abendroth J, Frando A, Phan IQ, Staker BL, Myler PJ, Edwards TE, Grundner C; Protein Sci. 2018;27:568-572. PMID:29119630