Weight | 1 lbs |
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Dimensions | 9 × 5 × 2 in |
accession | Q61207 |
express system | HEK293 |
product tag | C-His |
purity | > 95% as determined by Tris-Bis PAGE |
background | Prosaposin (also known as SGP-1) is an intriguing multifunctional protein that plays roles both intracellularly, as a regulator of lysosomal enzyme function, and extracellularly, as a secreted factor with neuroprotective and glioprotective effects. |
molecular weight | The protein has a predicted MW of 60.86 kDa. Due to glycosylation, the protein migrates to 65-80 kDa based on Tris-Bis PAGE result. |
available size | 100 µg, 500 µg |
endotoxin | Less than 1EU per μg by the LAL method. |
Mouse PSAP/Prosaposin Protein 2352
$315.00 – $1,050.00
Summary
- Expression: HEK293
- Pure: Yes (SDS-PAGE)
- Amino Acid Range: Ser17-Asn557
Mouse PSAP/Prosaposin Protein 2352
protein |
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Size and concentration 100, 500µg and lyophilized |
Form Lyophilized |
Storage Instructions Valid for 12 months from date of receipt when stored at -80°C. Recommend to aliquot the protein into smaller quantities for optimal storage. Please minimize freeze-thaw cycles. |
Storage buffer Shipped at ambient temperature. |
Purity > 95% as determined by Tris-Bis PAGE |
target relevance |
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Prosaposin (also known as SGP-1) is an intriguing multifunctional protein that plays roles both intracellularly, as a regulator of lysosomal enzyme function, and extracellularly, as a secreted factor with neuroprotective and glioprotective effects. |
Protein names Prosaposin (Sulfated glycoprotein 1) (SGP-1) [Cleaved into: Saposin-A; Saposin-B-Val; Saposin-B; Saposin-C; Saposin-D] |
Gene names Psap,Psap Sgp1 |
Mass 10090Da |
Function [Prosaposin]: Behaves as a myelinotrophic and neurotrophic factor, these effects are mediated by its G-protein-coupled receptors, GPR37 and GPR37L1, undergoing ligand-mediated internalization followed by ERK phosphorylation signaling.; Saposin-A and saposin-C stimulate the hydrolysis of glucosylceramide by beta-glucosylceramidase (EC 3.2.1.45) and galactosylceramide by beta-galactosylceramidase (EC 3.2.1.46). Saposin-C apparently acts by combining with the enzyme and acidic lipid to form an activated complex, rather than by solubilizing the substrate.; Saposin-B stimulates the hydrolysis of galacto-cerebroside sulfate by arylsulfatase A (EC 3.1.6.8), GM1 gangliosides by beta-galactosidase (EC 3.2.1.23) and globotriaosylceramide by alpha-galactosidase A (EC 3.2.1.22). Saposin-B forms a solubilizing complex with the substrates of the sphingolipid hydrolases.; Saposin-D is a specific sphingomyelin phosphodiesterase activator (EC 3.1.4.12).; Saposins are specific low-molecular mass non-enzymatic proteins, they participate in the lysosomal degradation of sphingolipids, which takes place by the sequential action of specific hydrolases. |
Subellular location [Prosaposin]: Secreted. Note=Secreted as a fully glycosylated 70 kDa protein composed of complex glycans.; Lysosome . |
Structure Saposin-B is a homodimer. Prosaposin exists as a roughly half-half mixture of monomers and disulfide-linked dimers. Monomeric prosaposin interacts (via C-terminus) with sortilin/SORT1, the interaction is required for targeting to lysosomes. Interacts with GRN; facilitates lysosomal delivery of progranulin from the extracellular space and the biosynthetic pathway (PubMed:26370502). |
Target Relevance information above includes information from UniProt accession: Q61207 |
The UniProt Consortium |
Publications
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