Annotations: 4IAE

Chains	Family Name	Domain Identifier	Architecture	Possible Homology	Homology	Topology	Family	Provenance Source (Version)
B	HLH	e4iaeB1	A: alpha arrays	X: Suppressor of Fused, C-terminal domain	H: HTH	T: HLH, helix-loop-helix DNA-binding domain	F: HLH	ECOD (v295.2)
A	HLH	e4iaeA1	A: alpha arrays	X: Suppressor of Fused, C-terminal domain	H: HTH	T: HLH, helix-loop-helix DNA-binding domain	F: HLH	ECOD (v295.2)

Chain	Domain	Class	Architecture	Topology	Homology	Provenance Source (Version)
B	3.90.1520.10	Alpha Beta	Alpha-Beta Complex	H-NOX domain	H-NOX domain	CATH (4.3.0)
A	3.90.1520.10	Alpha Beta	Alpha-Beta Complex	H-NOX domain	H-NOX domain	CATH (4.3.0)

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
A, B	Alr2278 protein	cation binding ion binding binding metal ion binding small molecule binding	-	-

Chains	Accession	Name	Type
A, B	IPR038158	H-NOX domain superfamily	Homologous Superfamily
A, B	IPR024096	NO signalling/Golgi transport ligand-binding domain superfamily	Homologous Superfamily
A, B	IPR011644	Heme NO-binding	Domain

RCSB PDB Core Operations are funded by the U.S. National Science Foundation (DBI-2321666), the US Department of Energy (DE-SC0019749), and the National Cancer Institute, National Institute of Allergy and Infectious Diseases, and National Institute of General Medical Sciences of the National Institutes of Health under grant R01GM157729. RCSB PDB uses resources of the National Energy Research Scientific Computing Center (NERSC), a Department of Energy User Facility.

4IAE | pdb_00004iae