This entry represents a predicted integral membrane sensory domain (MASE6) [1], which has been observed in association with GGDEF domain (Pfam:PF00990) and histidine sensor kinases.

1: Comparative Genomics of Cyclic di-GMP Metabolism and Chemosensory Pathways in Shewanella algae Strains: Novel Bacterial Sensory Domains and Functional Insights into Lifestyle Regulation. Martin-Rodriguez AJ, Higdon SM, Thorell K, Tellgren-Roth C, Sjoling A, Galperin MY, Krell T, Romling U; mSystems. 2022; [Epub ahead of print] PMID:35311563