Recombinant Human Scavenger receptor class B member 1(SCARB1),partial,Baculovirus

Code CSB-BP845139HU
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Product Details

Purity >85% (SDS-PAGE)(SDS-PAGE)
Target Names SCARB1
Uniprot No. Q8WTV0
Alternative Names CD36 and LIMPII analogous 1; CD36; CD36 Antigen like 1; CD36 antigen-like 1; CD36L1; CLA 1; CLA-1; CLA1; Collagen type I receptor; HDLQTL6; MGC138242; SCARB1; Scavebger Receptor Class B Member 1; Scavenger receptor class B member 1; Scavenger Receptor Class B Type 1; SCRB1_HUMAN; SR BI; SR-BI; SRB1; SRBI; Thrombospondin receptor like 1; thrombospondin receptor-like 1
Species Homo sapiens (Human)
Source Baculovirus
Protein Length Partial
Tag Info N-terminal His-tagged and C-terminal Myc-tagged
N-terminal His-tagged
Tag-Free
Form Liquid or Lyophilized powder
Note: We will preferentially ship the format that we have in stock, however, if you have any special requirement for the format, please remark your requirement when placing the order, we will prepare according to your demand.
Buffer If the delivery form is liquid, the default storage buffer is Tris/PBS-based buffer, 5%-50% glycerol.
Note: If you have any special requirement for the glycerol content, please remark when you place the order.
If the delivery form is lyophilized powder, the buffer before lyophilization is Tris/PBS-based buffer, 6% Trehalose, pH 8.0.
Troubleshooting
and FAQs
Protein FAQs
Storage Condition Store at -20°C/-80°C upon receipt, aliquoting is necessary for mutiple use. Avoid repeated freeze-thaw cycles.
Shelf Life The shelf life is related to many factors, storage state, buffer ingredients, storage temperature and the stability of the protein itself.
Generally, the shelf life of liquid form is 6 months at -20°C/-80°C. The shelf life of lyophilized form is 12 months at -20°C/-80°C.
Lead Time Basically, we can dispatch the products out in 1-3 working days after receiving your orders. Delivery time may differ from different purchasing way or location, please kindly consult your local distributors for specific delivery time.
Note: All of our proteins are default shipped with normal blue ice packs, if you request to ship with dry ice, please communicate with us in advance and extra fees will be charged.
Notes Repeated freezing and thawing is not recommended. Store working aliquots at 4°C for up to one week.
Datasheet & COA Please contact us to get it.

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Target Background

Function
Receptor for different ligands such as phospholipids, cholesterol ester, lipoproteins, phosphatidylserine and apoptotic cells. Receptor for HDL, mediating selective uptake of cholesteryl ether and HDL-dependent cholesterol efflux. Also facilitates the flux of free and esterified cholesterol between the cell surface and apoB-containing lipoproteins and modified lipoproteins, although less efficiently than HDL. May be involved in the phagocytosis of apoptotic cells, via its phosphatidylserine binding activity.; (Microbial infection) Acts as a receptor for hepatitis C virus in hepatocytes and appears to facilitate its cell entry. Binding between SCARB1 and the hepatitis C virus glycoprotein E2 is independent of the genotype of the viral isolate.; (Microbial infection) Mediates uptake of M.fortuitum, E.coli and S.aureus.; (Microbial infection) Facilitates the entry of human coronavirus SARS-CoV-2 by acting as an entry cofactor through HDL binding.
Gene References into Functions
  1. The data obtained showed that not only cigarette, but also the other environmental stressors reduced SR-B1 expression in epidermal cutaneous tissues and that this effect might be involved in impaired wound healing. PMID: 29102450
  2. Findings suggested that polymorphism rs5888 had negative association with coronary heart disease, especially in male. [review] PMID: 30103009
  3. We demonstrate that 4F and Cl/NO2-HDL act on scavenger receptor type I (SR-B1) using human aorta endothelial cells (HAEC) and SR-B1 ((-/-)) mouse aortic endothelial cells. PMID: 29277016
  4. Our results demonstrate that SR-BI functions as an oncogene and promotes progression of clear cell renal cell carcinoma (ccRCC). SR-BI may serve as a potential prognostic biomarker and therapeutic target for ccRCC. PMID: 29357836
  5. SCARB1 gene polymorphisms may serve as a potential predictor of treatment responses in chronic hepatitis C patients receiving interferon-based therapy PMID: 27561198
  6. The S112F single amino acid mutation in SR-BI inhibited the infectivity of hepatitis C virus derived from cell culture in a cell culture model by downregulating the expression of the SR-BI protein. PMID: 28811710
  7. The cell surface receptor SR-BI (scavenger receptor class B member 1), is essential for hepatitis C virus (HCV) entry into hepatocytes. Variations in the gene coding this receptor influence infectivity and viral load. We analyzed these variations to gain a better understanding of inter-individual differences over the course of HCV infection. PMID: 28363797
  8. The SCARB1AA genotype decreased cardiovascular risk and carrying GA genotype and G allele increased the risk of CAD. AA genotype carriers had higher levels of big-sized HDL subfraction. PMID: 28882953
  9. These findings provide new insights into the role of SR-B1 in cellular cholesterol homeostasis and suggest molecular links between SR-B1-dependent lipid sensing and cell cholesterol and lipid droplet dynamics PMID: 29196159
  10. Liposomes modified with both apolipoproteins A-I and E were internalized in HepG2 cells in FBS-depleted culture medium at the same levels as unmodified liposomes in FBS-containing culture medium, which indicates that apolipoproteins A-I and E were the major serum components involved in liposomal binding to SR-B1 or LDLR (or both). PMID: 28888368
  11. Here we show that inhibition of SR-B1 reduced cell survival, migration and invasion, and cholesterol content in NB cell lines. Additionally analysis of SR-B1 levels in NB patient biopsies using the R2: Genomics Analysis and Visualization Platform showed that high SR-B1 expression correlated with decreased overall and event-free survival. PMID: 29128352
  12. the cigarette smoke (CS)-induced loss of SRB1 induced an alteration of sebocytes lipid content, also demonstrated by cholesterol quantification in SRB1 siRNA experiments. In conclusion, exposure to CS, induced SRB1 post-translational modifications in sebocytes and this might affect sebocytes/skin functionality PMID: 27865981
  13. Our analyses revealed no apparent differences in protein expression profiles of SRBs in central and peripheral regions of human donor tissues, indicating that carotenoid-binding proteins rather than transporters are likely to mediate selective accumulation of carotenoids into the macula. PMID: 28947101
  14. Low SRB1 expression is associated with non-alcoholic steatohepatitis but is unchanged in hepatocellular carcinoma. PMID: 28941732
  15. SCARB1 rs5888 and environmental oxidative stress have a prominent role in age-related macular degeneration(ARMD) susceptibility, early ARMD progression to advanced stage disease and even in the outcome of the disease-an area of macular lesion. PMID: 27428740
  16. SCARB1 gene variants are associated with a new lipid phenotype, characterized by high levels of both HDL cholesterol and Lp(a). SCARB1 exonic variants often result in diminished function of translated SR-B1 via reduced binding/intracellular transport of Lp(a). PMID: 27651445
  17. Data suggest that activation of SR-BI by APOAI down-regulates sphingosine 1-phosphate/S1PR2-mediated inflammation in vascular endothelial cells by activating the PI3K/Akt signaling pathway; oxidized-LDL does the opposite. (APOA1 = apolipoprotein A-I; SR-BI/SCARB1 = scavenger receptor class B type I; S1PR2 = sphingosine 1-phosphate receptor 2; PI3K = phosphatidylinositol 3-kinase; Akt = proto-oncogene c-akt) PMID: 28181168
  18. Sustained virologic response was significantly associated with SCARB1 rs10846744 in chronic hepatitis C patients, treated with pegylated interferon-alpha and ribavirin. PMID: 28827115
  19. Model recombinant HDL (rHDL) particles formed in vitro with S1P incorporated into the particle initiated the internalization of S1PR1, whereas rHDL without supplemented S1P did not, suggesting that S1P transported in HDL can selectively activate S1PR1. PMID: 27881715
  20. Data implicate that scavenger receptor class B member 1 (SR-B1) as a target in chronic lymphocytic leukemia (CLL) and high-density lipoproteins nanoparticles (HDL NPs) as targeted monotherapy for CLL. PMID: 28061439
  21. SCARB1 gene polymorphisms may contribute to genetic susceptibility to coronary heart disease. C allele of rs10846744 and the C allele of rs2278986 may serve as risk and protective factors for CHD, respectively. PMID: 28552715
  22. VEGF-A was found to be a prerequisite for the localization of scavenger receptor BI in the plasma membrane of endothelial cells and is a regulatory factor of transendothelial transport of HDL but not LDL. PMID: 28360088
  23. our findings implied that scavenger receptor class B type 1 might serve as a diagnostic and independent prognostic biomarker in clear cell renal cell carcinoma. PMID: 28466781
  24. data support an SR-B1 nibbling mechanism that is similar to that of streptococcal serum opacity factor, which also selectively removes CE and releases apoAI, leaving an apoAII-rich remnant. PMID: 28373285
  25. Using mass spectrometry and site directed mutagenesis, a new Sp1 phosphorylation site Ser702 was defined to be associated with Sp1-HDAC1 interaction and may be important in SR-BI activation, shedding light on the knowledge of delicate mechanism of hepatic HDL receptor SR-BI gene modulation by LDL. PMID: 27320013
  26. down-regulation of SR-BI by endoplasmic reticulum stress in hepatic cells might contribute to the unfavorable effects of metabolic disorders on cholesterol homeostasis and cardiovascular diseases PMID: 27666478
  27. We confirmed associations with papillary thyroid cancer and SNPs in FOXE1/HEMGN, SERPINA5 (rs2069974), FTO (rs8047395), EVPL (rs2071194), TICAM1 (rs8120) and SCARB1 (rs11057820) genes. We found associations with SNPs in FOXE1, SERPINA5, FTO, TICAM1 and HSPA6 and and follicular thyroid cancer PMID: 27207655
  28. We engineered a library of infectious HCV with all codons represented at most positions in the ectodomain of the E2 gene. Nine variants showed reduced dependence on scavenger receptor class B type I (SR-BI) for infection. PMID: 27630236
  29. The data from this ex vivo study suggests that up-regulated SR-B1 protein expression is associated with malignant behaviors of breast cancer and that SR-B1 is an independent predictor for poor survival in breast cancer patients. PMID: 27067809
  30. ApoA-I induces S1P release from endothelial cells through ABCA1 and SR-BI in a positive feedback manner. PMID: 27377933
  31. As proof-of-concept, human serum exosomes were found to express SR-B1, and HDL NPs can be used to label and isolate them. PMID: 26964503
  32. Shear stress regulates endothelial cell function through SR-B1-eNOS signaling pathway. PMID: 27225585
  33. Data indicate that high scavenger receptor class B type I (SR-BI) expression was an independent unfavorable prognostic factor for overall survival (OS), and that high SR-BI expression could be used as a potential prognostic marker in breast cancer patients. PMID: 26456958
  34. CLA1 transport activity is necessary for the acquisition of host phosphatidylcholine by C. trachomatis. PMID: 26381674
  35. the single nucleotide polymorphism (rs5888) within SCARB1 is independently associated with premature coronary artery disease in a sex-dependent manner. PMID: 26754576
  36. SR-B1 and targeted HDL NPs provide a fundamental advance in studying cholesterol-dependent cellular uptake mechanisms. PMID: 26511855
  37. contributes to LDL transcytosis PMID: 26334034
  38. PGG enhances expression of SR-BI and ABCA1 in J774 and THP-1 macrophages PMID: 26322417
  39. hSR-BII, and to a lesser extent hSR-BI, significantly increase LPS-induced inflammation and contribute to LPS-induced tissue injury in the liver and kidney, two major organs susceptible to LPS toxicity. PMID: 26936883
  40. Intestinal activation of LXR reduces the production of chylomicrons by a mechanism dependent on the apical localization of SR-B1. PMID: 26602218
  41. resistance to HCV in HIV+ patients may be related to genetic variation in SCARB1 or OCLN PMID: 26571379
  42. Nrf2 activation and the expression and oxidative posttranslational modification of SRB1 are impacted in CDKL5 related Rett syndrome. PMID: 26006105
  43. These results suggest that EPA inhibits intestinal beta-carotene absorption by down regulation of SR B1 expression via PPARalpha dependent mechanism and provide an evidence for dietary modulation of intestinal beta-carotene absorption. PMID: 26577021
  44. Data show consistent association of scavenger receptor class B member 1 (SCARB1) variants with high-density lipoprotein cholesterol (HDL-C) across various association analyses, suggesting the role of SCARB1 in lipoprotein-lipid regulatory mechanism. PMID: 26563154
  45. SCARB1 P376L is associated specifically with elevated HDL cholesterol level and risk of coronary heart disease. PMID: 26965621
  46. Propofol up-regulates expression of ABCA1, ABCG1, and SR-B1 through the PPARgamma/LXRalpha pathway in THP-1 macrophage-derived foam cells. PMID: 25600616
  47. SCARB1 missense rs4238001 is statistically significantly associated with incident CHD. PMID: 25993026
  48. Hepatic SR-BI is associated with type 2 diabetes but unrelated to human and murine non-alcoholic fatty liver disease. PMID: 26431876
  49. These observations confirm the role of CD81 in liver-stage malaria and question that of scavenger receptor class B member 1. PMID: 25656410
  50. Variants of SCARB1 and VDR Involved in Complex Genetic Interactions May Be Implicated in the Genetic Susceptibility to Clear Cell Renal Cell Carcinoma. PMID: 25945350

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Subcellular Location Cell membrane; Multi-pass membrane protein. Membrane, caveola; Multi-pass membrane protein. Note=Predominantly localized to cholesterol and sphingomyelin-enriched domains within the plasma membrane, called caveolae.
Protein Families CD36 family
Tissue Specificity Widely expressed.
Database Links

HGNC: 1664

OMIM: 601040

KEGG: hsa:949

STRING: 9606.ENSP00000261693

UniGene: Hs.731377

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