1WAT | pdb_00001wat

Chains	Domain Info	Class	Fold	Superfamily	Family	Domain	Species	Provenance Source (Version)
B	d1watb_	All alpha proteins	Four-helical up-and-down bundle	Aspartate receptor, ligand-binding domain	Aspartate receptor, ligand-binding domain	Aspartate receptor, ligand-binding domain	(Salmonella enterica subsp. enterica serovar Typhimurium ) [TaxId: 90371 ],	SCOPe (2.08)
A	d1wata_	All alpha proteins	Four-helical up-and-down bundle	Aspartate receptor, ligand-binding domain	Aspartate receptor, ligand-binding domain	Aspartate receptor, ligand-binding domain	(Salmonella enterica subsp. enterica serovar Typhimurium ) [TaxId: 90371 ],	SCOPe (2.08)

Chains	Type	Family Name	Domain Identifier	Family Identifier	Provenance Source (Version)
B	SCOP2B Superfamily	Chemoreceptors, ligand-binding domain	8018623	3001511	SCOP2B (2022-06-29)
A	SCOP2B Superfamily	Chemoreceptors, ligand-binding domain	8018623	3001511	SCOP2B (2022-06-29)

Chains	Family Name	Domain Identifier	Architecture	Possible Homology	Homology	Topology	Family	Provenance Source (Version)
B	Apolipoprotein	e1watB1	A: alpha arrays	X: Urease, gamma-subunit	H: Flavivirus capsid protein C	T: Flavivirus capsid protein C	F: Apolipoprotein	ECOD (v295)
A	Apolipoprotein	e1watA1	A: alpha arrays	X: Urease, gamma-subunit	H: Flavivirus capsid protein C	T: Flavivirus capsid protein C	F: Apolipoprotein	ECOD (v295)

Chain	Domain	Class	Architecture	Topology	Homology	Provenance Source (Version)
B	1.20.120.30	Mainly Alpha	Up-down Bundle	Four Helix Bundle (Hemerythrin (Met), subunit A)	Aspartate receptor, ligand-binding domain	CATH (4.3.0)
A	1.20.120.30	Mainly Alpha	Up-down Bundle	Four Helix Bundle (Hemerythrin (Met), subunit A)	Aspartate receptor, ligand-binding domain	CATH (4.3.0)

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
A, B	ASPARTATE RECEPTOR	molecular transducer activity transmembrane signaling receptor activity signaling receptor activity	chemotaxis response to stimulus taxis response to chemical response to external stimulus locomotion cellular response to stimulus regulation of biological process regulation of cellular process signaling biological regulation cellular process signal transduction cell communication	cell periphery cellular anatomical structure plasma membrane membrane

Chains	Accession	Name	Type
A, B	IPR051310	MCP_chemotaxis	Unknown
A, B	IPR003122	Chemotaxis methyl-accepting receptor Tar-related, ligand-binding	Domain
A, B	IPR004090	Chemotaxis methyl-accepting receptor	Family
A, B	IPR003660	HAMP domain	Domain
A, B	IPR004091	Chemotaxis methyl-accepting receptor, methyl-accepting site	PTM
A, B	IPR004089	Methyl-accepting chemotaxis protein (MCP) signalling domain	Domain
A, B	IPR035440	Methyl-accepting chemotaxis protein, four helix bundle domain superfamily	Homologous Superfamily

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.