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ACROBiosystems Human LDL R (High Purity) Protein, Strep Tag

Marke:  ACROBiosystems LDR-H5281-250UG

Additional Details : Gewicht : 0.00001kg

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Artikelnummer. 15827237

  • 1013.29 CHF / 250 Mikrogramm

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Low-Density Lipoprotein (LDL) Receptor is also known as LDLR, FH, FHC, LDLCQ2, and is a mosaic protein of ~840 amino acids (after removal of signal peptide) that mediates the endocytosis of cholesterol-rich LDL. It is a cell-surface receptor that recognizes the apoprotein B100 which is embedded in the phospholipid outer layer of LDL particles. The receptor also recognizes the apoE protein found in chylomicron remnants and VLDL remnants (IDL). It belongs to the Low density lipoprotein receptor gene family. LDL receptor complexes are present in clathrin-coated pits (or buds) on the cell surface, which when bound to LDL-cholesterol via adaptin, are pinched off to form clathrin-coated vesicles inside the cell. This allows LDL-cholesterol to be bound and internalized in a process known as endocytosis and prevents the LDL just diffusing around the membrane surface. This occurs in all nucleated cells (not erythrocytes), but mainly in the liver which removes ~70% of LDL from the circulation. Synthesis of receptors in the cell is regulated by the level of free intracellular cholesterol; if it is in excess for the needs of the cell then the transcription of the receptor gene will be inhibited. LDL receptors are translated by ribosomes on the endoplasmic reticulum and are modified by the Golgi apparatus before travelling in vesicles to the cell surface. LDL is directly involved in the development of atherosclerosis, due to accumulation of LDL-cholesterol in the blood. Atherosclerosis is the process responsible for the majority of cardiovascular diseases.
This protein carries a twin strep tag at the C-terminus. The protein has a calculated MW of 87.8 kDa. The protein migrates as 130-145 kDa under reducing (R) condition (SDS-PAGE) due to glycosylation.


87.8 kDa
250 µg
Ala 22 - Arg 788
PBS, pH7.4
Less than 1.0 EU / µg by the LAL method.
Bio-Markers and CD Antigens
>95% as determined by SDS-PAGE
Human LDL R, Strep Tag (LDR-H5281) is expressed from human 293 cells (HEK293). It contains AA Ala 22 - Arg 788 (Accession # NP_000518.1).
Strep Tag
Sicherheitsdatenblatt (SDS)