8IEQ | pdb_00008ieq

Chains	Family Name	Domain Identifier	Architecture	Possible Homology	Homology	Topology	Family	Provenance Source (Version)
D	DNA_topoisoIV	e8ieqD1	A: beta barrels	X: cradle loop barrel	H: RIFT-related	T: acid protease	F: DNA_topoisoIV	ECOD (v294.2)
C	DNA_topoisoIV	e8ieqC1	A: beta barrels	X: cradle loop barrel	H: RIFT-related	T: acid protease	F: DNA_topoisoIV	ECOD (v294.2)
B	DNA_topoisoIV	e8ieqB1	A: beta barrels	X: cradle loop barrel	H: RIFT-related	T: acid protease	F: DNA_topoisoIV	ECOD (v294.2)
A	DNA_topoisoIV	e8ieqA1	A: beta barrels	X: cradle loop barrel	H: RIFT-related	T: acid protease	F: DNA_topoisoIV	ECOD (v294.2)

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
A, B, C, D	Probable G-protein coupled receptor 156	G protein-coupled GABA receptor activity GABA receptor activity molecular transducer activity G protein-coupled receptor activity transmembrane signaling receptor activity signaling receptor activity	regulation of biological process signaling biological regulation cell-cell signaling cellular process gamma-aminobutyric acid signaling pathway cell communication cellular component organization stereocilium bundle organization cellular component organization or biogenesis	protein-containing complex plasma membrane protein complex membrane plasma membrane membrane protein complex cell periphery G protein-coupled receptor dimeric complex cellular anatomical structure plasma membrane signaling receptor complex G protein-coupled receptor complex signaling receptor complex G protein-coupled receptor heterodimeric complex

Chains	Accession	Name	Type
A, B, C, D	IPR017978	GPCR family 3, C-terminal	Domain
A, B, C, D	IPR041946	GPR156, 7TM domain	Domain
A, B, C, D	IPR002455	GPCR family 3, GABA-B receptor	Family

Chains	Drug Target	Associated Disease
A, B, C, D	: Q8NFN8	asthma osteosarcoma

Chains	External Link	Comment
A, B, C, D	PDBTM	Annotated as membrane protein by PDBTM

Chains	Resource Link	Group	Subgroup	Protein
A, B, C, D	mpstruc	TRANSMEMBRANE PROTEINS: ALPHA-HELICAL	G Protein-Coupled Receptors: Class C	GPR156 deafness autosomal recessive 121 (DFNB121), A/B/C/D tetramer

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.