Annotations: 2P04

2.1 Ang structure of the dimerized PAS domain of signal transduction histidine kinase from Nostoc punctiforme PCC 73102 with homology to the H-NOXA/H-NOBA domain of the soluble guanylyl cyclase

External Resource: Annotation

Domain Annotation: ECOD Classification
Domain Annotation: CATH
Gene Ontology: Gene Product Annotation
InterPro: Protein Family Classification

Domain Annotation: ECOD Classification ECOD Database Homepage

Chains	Family Name	Domain Identifier	Architecture	Possible Homology	Homology	Topology	Family	Provenance Source (Version)
A	SUI1	e2p04A1	A: beta barrels	X: Bromodomain-like	H: SH3	T: SH3	F: SUI1	ECOD (v294.2)
B	Pyr_redox_2	e2p04B1	A: beta barrels	X: HTH	H: Nudix	T: Nudix	F: Pyr_redox_2	ECOD (v294.2)

Domain Annotation: CATH CATH Database Homepage

Chain	Domain	Class	Architecture	Topology	Homology	Provenance Source (Version)
A	3.30.450.260	Alpha Beta	2-Layer Sandwich	Beta-Lactamase	Haem NO binding associated domain	CATH (4.3.0)
B	3.30.450.260	Alpha Beta	2-Layer Sandwich	Beta-Lactamase	Haem NO binding associated domain	CATH (4.3.0)

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
A, B	signal transduction histidine kinase	phosphorus-oxygen lyase activity cyclase activity lyase activity guanylate cyclase activity catalytic activity binding nucleoside phosphate binding nucleotide binding heterocyclic compound binding small molecule binding	-	-

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
A, B	IPR011645	Haem NO binding associated	Domain
A, B	IPR042463	Haem NO binding associated domain superfamily	Homologous Superfamily

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