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scavenger receptor class B member 1 (SRB1, CD36 antigen-like 1, CD36 & LIMP2 analogous 1, CLA-1, collagen type I receptor - thrombospondin receptor-like 1, SCARB1, CD36L1, CLA1, CLA2)
Function:
- probable HDL receptor
- receptor for phospholipids, cholesterol ester, lipoproteins, phosphatidylserine & apoptotic cells
- facilitates the flux of free & esterified cholesterol between cell surface & HDL & to a lesser extent, apoB-containing lipopoteins
- involved in the phagocytosis of apoptotic cells, via phosphatidylserine binding
- C-terminal region binds to PDZK1 (putative)
Structure:
- N-glycosylated
- belongs to the CD36 family
Compartment:
- cell membrane
- predominantly localized to aveolae
Alternative splicing: named isoforms=4
Expression:
- widely expressed
Polymorphism:
- the Ser-2 variant is associated with higher plasma triglyceride concentration in subjects with heterozygous familial hypercholesterolemia
Pathology:
- receptor for hepatitis C virus glycoprotein E2
- role in HCV attachment &/or cell entry by interacting with HCV E1/E2 glycoproteins heterodimer
- variant in SCARB1 raises HDL cholesterol & increases risk of coronary heart disease [2]
Related
CD36; platelet glycoprotein 4; platelet glycoprotein IV; GPIV; glycoprotein IIIb; GPIIIB; leukocyte differentiation antigen CD36; PAS IV; PAS-4; platelet collagen receptor; fatty acid translocase; FAT; Thrombospondin receptor (GP3B, GP4)
General
glycoprotein
scavenger receptor
transmembrane 2 protein
Properties
SIZE: MW = 61 kD
entity length = 552 aa
COMPARTMENT: cellular membrane
MOTIF: cytoplasmic domain {1-11}
transmembrane domain {12-32}
exoplasmic loop {33-443}
MOTIF: N-glycosylation site {N102}
N-glycosylation site {N108}
N-glycosylation site {N173}
N-glycosylation site {N212}
N-glycosylation site {N227}
N-glycosylation site {N255}
N-glycosylation site {N310}
N-glycosylation site {N330}
N-glycosylation site {N383}
transmembrane domain {444-464}
cytoplasmic domain {465-552}
Database Correlations
OMIM 601040
UniProt Q8WTV0
Pfam PF01130
References
- UniProt :accession Q8WTV0
- Zanoni P et al
Rare variant in scavenger receptor BI raises HDL cholesterol
and increases risk of coronary heart disease.
Science. 2016 March 11 351(6278):1166-71
PMID: 26965621
http://science.sciencemag.org/content/351/6278/1166