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Recombinant Human ANGPTL4 protein, His-tagged

Cat.No.: ANGPTL4-268H
Product Overview: Recombinant Human ANGPTL4(Gly26-Arg161) fused with 3xGSL and a C-terminal 6-His tag was expressed in CHO.
Description: Angiopoietin-like 4 (ANGPTL4), also known as FIAF, FARP, and PGAR, is a 55 kDa glycoprotein secreted by the liver and fat tissue. It is structurally related to the angoipoietins and contains an N-terminal coiled coil domain and a C-terminal fibrinogen-like domain which can be proteolytically separated in vivo. Within the N-terminal region, it shares approximately 67% aa sequence identity with mouse and rat ANGPTL4. The coiled coil domain, which is not glycosylated, mediates the formation of variable sized disulfide-linked oligomers. This domain directly inhibits lipoprotein lipase, resulting in increased circulating triglyceride levels. In human, the N-terminal fragment and full length ANGPTL4 physically associate with HDL. In mouse, however, full length ANGPTL4 associates with HDL, while the N-terminal fragment associates with LDL. Circulating ANGPTL4 is decreased in type II diabetics with a subsequent loss of its normal plasma glucose lowering activity. Its expression in adipose tissue is induced by fasting and suppressed by feeding . In hypoxic areas, ANGPTL4 is induced in both vascular endothelial cells and tumor cells. The N-terminal fragment can function as an angiogenesis inhibitor. In contrast, the C-terminal fragment modulates cell adhesion through interactions with heparan sulfate proteoglycans, Integrins beta 1 and beta 5, Vitronectin, and Fibronectin, thereby promoting keratinocyte migration and wound healing. ANGPTL4 additionally enhances the survival of hematopoietic and mesenchymal stem cells. The expression of an undersialylated form of ANGPTL4 in renal podocytes contributes to proteinuria and nephrotic syndrome.
Source: CHO
Species: Human
Tag : His
Predicted N Terminal: Gly26
Form: Lyophilized from a 0.2 μm filtered solution in MOPS, NaCl and CHAPS.
Bio-activity: Measured by its ability to promote the expansion of E16 rat liver mononuclear cells in vitro, in the presence of Recombinant Mouse SCF/c‑kit Ligand, Recombinant Mouse Thrombopoietin/Tpo, and Recombinant Mouse Flt‑3 Ligand. The ED50 for this effect is typically 25-125 ng/mL in the presence of a cross-linking antibody, Mouse Anti-polyHistidine Monoclonal Antibody.
Molecular Mass: Predicted Molecular Mass: 17 (unlabeled) kDa
Endotoxin: <0.1 EU per 1 μg of the protein by the LAL method.
Purity: >85%, by SDS-PAGE visualized with Silver Staining and quantitative densitometry by Coomassie® Blue Staining.
Storage: Use a manual defrost freezer and avoid repeated freeze-thaw cycles.
12 months from date of receipt, -20 to -70 centigrade as supplied.
1 month, 2 to 8 centigrade under sterile conditions after reconstitution.
3 months, -20 to -70 centigrade under sterile conditions after reconstitution.
Reconstitution: Reconstitute at 100 μg/mL in PBS.
Gene Name: ANGPTL4 angiopoietin-like 4 [ Homo sapiens ]
Official Symbol: ANGPTL4
Synonyms: ANGPTL4; angiopoietin-like 4; angiopoietin-related protein 4; angiopoietin related protein 4; ARP4; fasting induced adipose factor; FIAF; hepatic angiopoietin related protein; hepatic fibrinogen/angiopoietin related protein; HFARP; NL2; peroxisome proliferator activated receptor (PPAR) gamma induced angiopoietin related protein; PGAR; pp1158; PPARG angiopoietin related protein; angiopoietin-like protein 4; fasting-induced adipose factor; hepatic angiopoietin-related protein; hepatic fibrinogen/angiopoietin-related protein; peroxisome proliferator-activated receptor (PPAR) gamma induced angiopoietin-related protein; ANGPTL2;
Gene ID: 51129
mRNA Refseq: NM_001039667
Protein Refseq: NP_001034756
UniProt ID: Q9BY76

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Optional requirements on this protein    +Expand
C-fusion    N-fusion   Non-tagged
His    GST   Fc   Others
<1.0 eu/μg    <0.1 eu/μg   <0.01 eu/μg   Not required
Monomer Isolation    Dimer Isolation    Not required
>80% by SDS-PAGE    >90% by SDS-PAGE   >95% by SDS-PAGE   Others

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