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LRPAP1/A2MRAP  Protein, Antibody, ELISA Kit, cDNA Clone

Description: Active  
Expression host: Human Cells  
  • Slide 1
11100-H08H-50
11100-H08H-100
50 µg 
100 µg 
Add to Cart
Description: Active  
Expression host: Human Cells  
  • Slide 1
50281-M08H-50
50281-M08H-100
50 µg 
100 µg 
Add to Cart

LRPAP1/A2MRAP Related Pathways

    LRPAP1/A2MRAP Related Protein, Antibody, cDNA Gene, and ELISA Kits

    LRPAP1/A2MRAP Related Protein, Antibody, cDNA Gene, and ELISA Kits

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    LRPAP1/A2MRAP Summary & Protein Information

    LRPAP1/A2MRAP Related Information

    LRPAP1/A2MRAP Background

    Gene Summary: LRPAP1 is involved with trafficking of certain members of the LDL receptor family including LRP1 and LRP2.It is a glycoprotein that binds to the alpha-2-macroglobulin receptor, as well as to other members of the low density lipoprotein receptor family. It acts to inhibit the binding of all know ligands for these receptors, and may prevent receptor aggregation and degradation in the endoplasmic reticulum, thereby acting as a molecular chaperone. It may be under the regulatory control of calmodulin, since it is able to bind calmodulin and be phosphorylated by calmodulin-dependent kinase II.
    General information above from NCBI
    Subunit structure: Present on cell surface forming a complex with the alpha- 2-macroglobulin receptor heavy and light chains. Binds LRP1B; binding is followed by internalization and degradation.
    Subcellular location: Endoplasmic reticulum. Cytoplasm. Cell surface. Note=Intracellular and associated with cell surface receptors. Found in the endoplasmic reticulum.
    Post-translational: N-glycosylated.
    Involvement in disease: Note=In complex with the alpha-2-MR or gp330, it may have some role in the pathogenesis of membrane glomerular nephritis.
    Sequence similarity: Belongs to the alpha-2-MRAP family.C
    General information above from UniProt

    Receptor-associated protein (RAP) is a molecular chaperone for low density lipoprotein receptor-related protein (LRP), which plays a key role in cholesterol metabolism. The lipoprotein receptor-related protein (LRP) is an endocytic receptor for several ligands, such as alpha2-macroglobulin (alpha2 M) and apolipoprotein E. LRP is involved in the clearance of lipids from the bloodstream and is expressed in the atherosclerotic plaque. The LRP-associated protein (LRPAP in humans, RAP in mice) acts as a chaperone protein, stabilizing the nascent LRP peptide in the endoplasmic reticulum and Golgi complex. Alpha-2-macroglobulin receptor-associated protein, also known as low density lipoprotein receptor-related protein-associated protein 1, RAP and LRPAP1, is a 39 kDa protein and a member of the alpha-2-MRAP family. It is a receptor antagonist that interacts with several members of the low density lipoprotein (LDL) receptor gene family. Upon binding to these receptors, LRPAP1 inhibits all ligand interactions with the receptors. LRPAP1 is present on cell surface forming a complex with the alpha-2-macroglobulin receptor heavy and light chains. It binds with LRP1B and the binding is followed by internalization and degradation. LRPAP1 interacts with LRP1/alpha-2-macroglobulin receptor and LRP2 (previously called glycoprotein 330), and may be involved in the pathogenesis of membrane glomerular nephritis. LRPAP1 together with LRP2 forms the Heymann nephritis antigenic complex. LRP2 is expressed in epithelial cells of the thyroid, where it can serve as a receptor for the protein thyroglobulin. Intron 5 insertion/deletion polymorphism of RAP gene (LRPAP1) has been implicated in other diseases sharing etiology with gallstone disease (GSD). The LRPAP1 insertion/deletion polymorphism influences cholesterol homeostasis and may confer risk for gallstone disease and gallbladder carcinoma (GBC) incidence usually parallels with the prevalence of cholelithiosis. The genetic variations at the LRPAP1 locus may modulate Alzheimer disease (AD) phenotype beyond risk for disease. In addition, the variation at the LRPAP1 gene could contribute to the risk of developing an early episode of myocardial infarction (MI).

    LRPAP1/A2MRAP Alternative Name

    RAP,MRAP,A2RAP,HBP44,MYP23,A2MRAP,alpha-2-MRAP, [homo-sapiens]
    A2MRAP,A2RAP,HBP44,LRPAP1,MGC138272,MRAP,RAP,RP11-529E10.3, [human]
    AA617339,AI790446,AU042172,C77774,HBP44,LRPAP1,RAP, [mouse]
    RAP,HBP44,C77774,AA617339,AI790446,AU042172, [mus-musculus]

    LRPAP1/A2MRAP Related Studies

  • Gonzlez P, et al. (2002) Variation in the lipoprotein receptor-related protein, alpha2-macroglobulin and lipoprotein receptor-associated protein genes in relation to plasma lipid levels and risk of early myocardial infarction. Coron Artery Dis. 13(5): 251-4.
  • Schutte DL, et al. (2003) A LRPAP1 intronic insertion/deletion polymorphism and phenotypic variability in Alzheimer disease. Res Theory Nurs Pract. 17(4): 301-19?
  • Pandey SN, et al. (2006) Lipoprotein receptor associated protein (LRPAP1) insertion/deletion polymorphism: association with gallbladder cancer susceptibility. Int J Gastrointest Cancer. 37(4): 124-8.
  • Dixit M, et al. (2006) Association of low density lipoprotein receptor related protein-associated protein (LRPAP1) gene insertion/deletion polymorphism with gallstone disease.J Gastroenterol Hepatol. 21(5): 847-9.
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