The Aer2 Receptor from Vibrio cholerae is a Dual PAS-Heme Oxygen Sensor


Domain Annotation: ECOD Classification ECOD Database Homepage

ChainsFamily NameDomain Identifier ArchitecturePossible HomologyHomologyTopologyFamilyProvenance Source (Version)
CVP4_haemagglute6ceqC1 A: alpha arraysX: OB-foldH: Nucleic acid-binding proteinT: NucleotidyltransferaseF: VP4_haemagglutECOD (v295.2)
BVP4_haemagglute6ceqB1 A: alpha arraysX: OB-foldH: Nucleic acid-binding proteinT: NucleotidyltransferaseF: VP4_haemagglutECOD (v295.2)
APylS_Ne6ceqA1 A: alpha arraysX: OB-foldH: Nucleic acid-binding proteinT: NucleotidyltransferaseF: PylS_NECOD (v295.2)

Protein Family Annotation Pfam Database Homepage

ChainsAccessionNameDescriptionCommentsSource
A, B, C
PF13426PAS domain (PAS_9)PAS domainThis domain is found in many signalling proteins in which it functions as a sensor domain. It recognises FMN, Zn(II), FAD and riboflavin (MAtilla et. al., FEMS Microbiology Reviews, fuab043, 45, 2021, 1. https://doi.org/10.1093/femsre/fuab043). Domain