Recombinant Human LRP-1 Cluster IV Fc Chimera Protein, CF Summary
Additional Information
This item is in process of being discontinued.
Details of Functionality
Measured by its binding ability in a functional ELISA. In a Human IgG Fc Antibody (Catalog # G-102-C) coated plate, Recombinant Human LRP‑1 Cluster IV Fc Chimera binds Recombinant
Human LRPAP (Catalog # 4296-LR)
with an ED50 of 0.25‑1.25 ng/mL.
Source
Chinese Hamster Ovary cell line, CHO-derived human LRP-1 Cluster IV protein
Human LRP1-C4 (Ser3332-Asp3779) Accession # Q07954
>90%, by SDS-PAGE visualized with Silver Staining and quantitative densitometry by Coomassie® Blue Staining.
Endotoxin Note
<0.10 EU per 1 μg of the protein by the LAL method.
Applications/Dilutions
Dilutions
Binding Activity
Theoretical MW
76.7 kDa. Disclaimer note: The observed molecular weight of the protein may vary from the listed predicted molecular weight due to post translational modifications, post translation cleavages, relative charges, and other experimental factors.
SDS-PAGE
110-120 kDa, reducing conditions
Publications
Read Publications using 5395-L4 in the following applications:
Use a manual defrost freezer and avoid repeated freeze-thaw cycles.
12 months from date of receipt, -20 to -70 °C as supplied.
1 month, 2 to 8 °C under sterile conditions after reconstitution.
3 months, -20 to -70 °C under sterile conditions after reconstitution.
Buffer
Lyophilized from a 0.2 μm filtered solution in PBS with Trehalose.
Purity
>90%, by SDS-PAGE visualized with Silver Staining and quantitative densitometry by Coomassie® Blue Staining.
Reconstitution Instructions
Reconstitute at 100 μg/mL in PBS.
Notes
This product is produced by and ships from R&D Systems, Inc., a Bio-Techne brand.
Alternate Names for Recombinant Human LRP-1 Cluster IV Fc Chimera Protein, CF
LRP1 Cluster IV
LRP-1 Cluster IV
Background
LDL receptor-related protein 1 (LRP-1), also known as CD91 and the alpha 2-macroglobulin receptor, is a type I membrane protein in the LDL receptor superfamily. It is expressed on neurons, hepatocytes, adipocytes, vascular smooth muscle cells, fibroblasts, keratinocytes, macrophages, and megakaryocytes. LRP-1 is important for the clearance of a large number of circulating molecules involved in fatty acid metabolism and complexes of serine proteases with their inhibitors (1-4). LRP-1 also associates directly or through intracellular scaffold proteins with other membrane associated proteins on the same cell. This allows LRP-1 to modulate the activity or internalization of PDGF R beta , NMDA receptor subunits, TGF-beta receptors, Frizzled-1, various integrins, and the prion protein PrPc. Human LRP-1 is an N-glycosylated and sialylated molecule that is cleaved in the Golgi to produce an 85 kDa transmembrane beta chain and a 515 kDa alpha chain that associates noncovalently with the beta chain but does not itself cross the membrane (11, 12). The alpha chain of LRP-1 contains 31 LDLR class A repeats, 34 LDLR class B repeats, and 22 EGF-like repeats (13). The LDLR domains are clustered in four regions throughout the protein (13). Cluster IV (aa 3332-3779) contains eleven LDLR class A repeats (14). Within this region, human LRP-1 shares 99% aa sequence identity with mouse and rat LRP-1. A shed soluble form of LRP-1 circulates in the serum and retains ligand binding properties (15). Cluster IV contains binding sites for Apolipoprotein E, LPL, and LRPAP/RAP, alpha 2-macroglobulin, Coagulation Factor VIII light chain, Lactoferrin, PAI-1, tPA-PAI-1 complexes, Pro-uPA, and TFPI (14).
Lillis, A.P. et al. (2008) Physiol. Rev. 88:887.
Galliano, M.-F. et al. (2008) PloS ONE 3:e2729.
Bouchard, B.A. et al. (2007) J. Thromb. Haemost. 6:638.
Sendra, J. et al. (2008) Cardiovasc. Res. 78:581.
Takayama, Y. et al. (2005) J. Biol. Chem. 280:18504.
Martin, A.M. et al. (2008) J. Biol. Chem. 283:12004.
Cabello-Verugio, C. and E. Brandan (2007) J. Biol. Chem. 282:18842.
Zilberberg, A. et al. (2004) J. Biol. Chem. 279:17535.
Taylor, D.R. and N.M. Hooper (2007) Biochem. J. 402:17.
Parkyn, C.J. et al. (2007) J. Cell Sci. 121:773.
Herz, J. et al. (1990) EMBO J. 9:1769.
Strickland, D.K. et al. (1990) J. Biol. Chem. 265:17401.
Herz, J. et al. (1988) EMBO J. 7:4119.
Neels, J.G. et al. (1999) J. Biol. Chem. 274:31305.
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