5SY1 | pdb_00005sy1

Structure of the STRA6 receptor for retinol uptake in complex with calmodulin

External Resource: Annotation

Domain Annotation: SCOP2 Classification
Domain Annotation: ECOD Classification
Protein Family Annotation
Gene Ontology: Gene Product Annotation
InterPro: Protein Family Classification
Membrane Protein Annotation: OPM
Membrane Protein Annotation: PDBTM
Membrane Protein Annotation: MemProtMD
Membrane Protein Annotation: mpstruc

Domain Annotation: SCOP2 Classification SCOP2 Database Homepage

Chains	Type	Family Name	Domain Identifier	Family Identifier	Provenance Source (Version)
D	SCOP2B Superfamily	EF-hand	8096508	3001983	SCOP2B (2022-06-29)
A [auth C]	SCOP2 Family	Calmodulin-like	8096507	4000924	SCOP2 (2022-06-29)
A [auth C]	SCOP2 Superfamily	EF-hand	8096508	3001983	SCOP2 (2022-06-29)

Domain Annotation: ECOD Classification ECOD Database Homepage

Chains	Family Name	Domain Identifier	Architecture	Possible Homology	Homology	Topology	Family	Provenance Source (Version)
C [auth B]	Plug	e5sy1B1	A: a/b three-layered sandwiches	X: Sulfite reductase hemoprotein (SiRHP), domains 2 and 4	H: Sulfite reductase hemoprotein (SiRHP), domains 2 and 4	T: Sulfite reductase hemoprotein (SiRHP), domains 2 and 4	F: Plug	ECOD (v294.1)
B [auth A]	Lipocalin_7	e5sy1A1	A: a/b three-layered sandwiches	X: cradle loop barrel	H: RIFT-related	T: Alanine racemase-C	F: Lipocalin_7	ECOD (v294.1)
D		e5sy1D1	A: a/b three-layered sandwiches	X: cradle loop barrel	H: RIFT-related	T: Alanine racemase-C	F:	ECOD (v294.1)
A [auth C]		e5sy1C1	A: a/b three-layered sandwiches	X: cradle loop barrel	H: RIFT-related	T: Alanine racemase-C	F:	ECOD (v294.1)

Protein Family Annotation Pfam Database Homepage

Chains	Accession	Name	Description	Comments	Source
B [auth A], C [auth B]	PF14752	Retinol binding protein receptor (RBP_receptor)	Retinol binding protein receptor	-	Family

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
B [auth A], C [auth B]	STRA6	protein binding binding calmodulin binding vitamin binding alcohol binding isoprenoid binding retinoid binding lipid binding retinol binding small molecule binding molecular adaptor activity molecular transducer activity signaling receptor activity retinal binding protein binding binding calmodulin binding vitamin binding alcohol binding isoprenoid binding retinoid binding lipid binding retinol binding small molecule binding molecular adaptor activity molecular transducer activity signaling receptor activity retinal binding alcohol transmembrane transporter activity retinol transmembrane transporter activity lipid transporter activity lipid transmembrane transporter activity vitamin transmembrane transporter activity transporter activity transmembrane transporter activity identical protein binding	localization transport macromolecule localization lipid localization lipid transport organic hydroxy compound transport establishment of localization terpenoid transport isoprenoid transport retinol transport developmental process multicellular organism development multicellular organismal process embryo development ending in birth or egg hatching localization transport macromolecule localization lipid localization lipid transport organic hydroxy compound transport establishment of localization terpenoid transport isoprenoid transport retinol transport developmental process multicellular organism development multicellular organismal process embryo development ending in birth or egg hatching chordate embryonic development anatomical structure development embryo development import into cell vitamin transport vitamin A transport vitamin A import into cell transmembrane transport lipid import into cell cellular process vitamin transmembrane transport	cell periphery cellular anatomical structure plasma membrane membrane
A [auth C], D	Calmodulin	cation binding ion binding binding calcium ion binding metal ion binding small molecule binding	-	protein-containing complex intracellular anatomical structure intracellular membraneless organelle actin cytoskeleton myosin complex intracellular organelle cellular anatomical structure cytoskeleton organelle membraneless organelle myosin II complex mitotic spindle spindle microtubule cytoskeleton

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
B [auth A], C [auth B]	IPR026612	Receptor for retinol uptake STRA6-like	Family
A [auth C], D	IPR050230	Calmodulin/Myosin light chain/Troponin C-like	Family
A [auth C], D	IPR018247	EF-Hand 1, calcium-binding site	Binding Site
A [auth C], D	IPR002048	EF-hand domain	Domain
A [auth C], D	IPR011992	EF-hand domain pair	Homologous Superfamily

Membrane Protein Annotation: OPM OPM Database Homepage

Chains	External Link	Type	Class	Superfamily	Family
B [auth A], C [auth B]	OPM	Transmembrane	Alpha-helical polytopic	Vitamin A receptor/transporter	Vitamin A receptor/transporter

Membrane Protein Annotation: PDBTM PDBTM Database Homepage

Chains	External Link	Comment
B [auth A], C [auth B]	PDBTM	Annotated as membrane protein by PDBTM

Membrane Protein Annotation: MemProtMD MemProtMD Database Homepage

Chains	External Link	Comment
B [auth A], C [auth B]	MemProtMD	Annotated as membrane protein by MemProtMD

Membrane Protein Annotation: mpstruc mpstruc Database Homepage

Chains	Resource Link	Group	Subgroup	Protein
B [auth A], C [auth B]	mpstruc	TRANSMEMBRANE PROTEINS: ALPHA-HELICAL	Novel Receptors	STRA6 retinol-uptake receptor in complex with calmodulin (CaM)

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.

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