2 μg（R: reducing conditions）
Human SCARB1/SR-BI Protein, His tag
Human SCARB1/SR-BI Protein, His tag
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Product Details
Product Details
Product Specification
| Species | Human |
| Synonyms | Scavenger receptor class B member 1, SRB1, CD36 and LIMPII analogous 1 (CLA-1), CD36 antigen-like 1, Collagen type I receptor, thrombospondin receptor-like 1, SR-BI, CD36, CD36L1, CLA1 |
| Accession | Q8WTV0 |
| Amino Acid Sequence | Protein sequence (Q8WTV0, Ser34-His442, with C-His tag) SLIKQQVLKNVRIDPSSLSFNMWKEIPIPFYLSVYFFDVMNPSEILKGEKPQVRERGPYVYREFRHKSNITFNNNDTVSFLEYRTFQFQPSKSHGSESDYIVMPNILVLGAAVMMENKPMTLKLIMTLAFTTLGERAFMNRTVGEIMWGYKDPLVNLINKYFPGMFPFKDKFGLFAELNNSDSGLFTVFTGVQNISRIHLVDKWNGLSKVDFWHSDQCNMINGTSGQMWPPFMTPESSLEFYSPEACRSMKLMYKESGVFEGIPTYRFVAPKTLFANGSIYPPNEGFCPCLESGIQNVSTCRFSAPLFLSHPHFLNADPVLAEAVTGLHPNQEAHSLFLDIHPVTGIPMNCSVKLQLSLYMKSVAGIGQTGKIEPVVLPLLWFAESGAMEGETLHTFYTQLVLMPKVMH |
| Expression System | HEK293 |
| Molecular Weight | Predicted MW: 48.1 kDa Observed MW: 72-95 kDa |
| Purity | ＞95% by SDS-PAGE |
| Endotoxin | <0.1EU/μg |
| Conjugation | Unconjugated |
| Tag | with C-His tag |
| Physical Appearance | Lyophilized Powder |
| Storage Buffer | Lyophilized from a 0.2 μm filtered solution of 0.2M PBS, pH7.4. |
| Reconstitution | Reconstitute no more than 1 mg/mL according to the size in deionized water after rapid centrifugation. |
| Stability & Storage | 12 months from date of receipt, -20 to -70 °C as supplied. |
Background
Scavenger receptor class B type 1 (SRB1) also known as SR-BI is a protein that in humans is encoded by the SCARB1 gene. SR-BI functions as a receptor for high-density lipoprotein. SR-BI is an integral membrane protein found in numerous cell types/tissues, including enterocytes, the liver and adrenal gland. It is best known for its role in facilitating the uptake of cholesteryl esters from high-density lipoproteins in the liver. This process drives the movement of cholesterol from peripheral tissues towards the liver, where cholesterol can either be secreted via the bile duct or be used to synthesise steroid hormones. This movement of cholesterol is known as reverse cholesterol transport and is a protective mechanism against the development of atherosclerosis, which is the principal cause of heart disease and stroke. SR-BI is crucial in carotenoid and vitamin E uptake in the small intestine. SR-B1 is upregulated in times of vitamin A deficiency and downregulated if vitamin A status is in the normal range. SCARB1 along with CD81 is the receptor for the entry of the Hepatitis C virus into liver cells.
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