Domain Annotation: SCOP2 Classification SCOP2 Database Homepage

ChainsTypeFamily Name Domain Identifier Family IdentifierProvenance Source (Version)
ASCOP2B SuperfamilyLigand-binding domain in the NO signalling and Golgi transport 8040724 3001668 SCOP2B (2022-06-29)
BSCOP2B SuperfamilyLigand-binding domain in the NO signalling and Golgi transport 8040724 3001668 SCOP2B (2022-06-29)
CSCOP2B SuperfamilyLigand-binding domain in the NO signalling and Golgi transport 8040724 3001668 SCOP2B (2022-06-29)

Domain Annotation: ECOD Classification ECOD Database Homepage

ChainsFamily NameDomain Identifier ArchitecturePossible HomologyHomologyTopologyFamilyProvenance Source (Version)
AHNOBe3laiA1 A: a+b complex topologyX: H-NOX domain (From Topology)H: H-NOX domain (From Topology)T: H-NOX domainF: HNOBECOD (1.6)
BHNOBe3laiB1 A: a+b complex topologyX: H-NOX domain (From Topology)H: H-NOX domain (From Topology)T: H-NOX domainF: HNOBECOD (1.6)
CHNOBe3laiC1 A: a+b complex topologyX: H-NOX domain (From Topology)H: H-NOX domain (From Topology)T: H-NOX domainF: HNOBECOD (1.6)

Domain Annotation: CATH CATH Database Homepage

ChainDomainClassArchitectureTopologyHomologyProvenance Source (Version)
A3.90.1520.10 Alpha Beta Alpha-Beta Complex H-NOX domain H-NOX domainCATH (4.3.0)
B3.90.1520.10 Alpha Beta Alpha-Beta Complex H-NOX domain H-NOX domainCATH (4.3.0)
C3.90.1520.10 Alpha Beta Alpha-Beta Complex H-NOX domain H-NOX domainCATH (4.3.0)

Protein Family Annotation Pfam Database Homepage

ChainsAccessionNameDescriptionCommentsSource
A, B, C
PF07700Haem-NO-binding (HNOB)Haem-NO-bindingThe HNOB (Haem NO Binding) domain, is a predominantly alpha-helical domain and binds heme via a covalent linkage to histidine. It is a haem protein sensor (SONO) that displays femtomolar affinity for nitrous oxide, NO [3]. It is predicted to function ...The HNOB (Haem NO Binding) domain, is a predominantly alpha-helical domain and binds heme via a covalent linkage to histidine. It is a haem protein sensor (SONO) that displays femtomolar affinity for nitrous oxide, NO [3]. It is predicted to function as a haem-dependent sensor for gaseous ligands and to transduce diverse downstream signals in both bacteria and animals.
Domain