Source: | Rabbit | Gene Id: | 5660 |
Isotype: | IgG | Swiss Prot: | P07602 |
purity: | Affinity purification |
Background: |
The PSAP gene encodes prosaposin, a precursor of four small nonenzymatic glycoproteins termed 'sphingolipid activator proteins' (SAPs) that assist in the lysosomal hydrolysis of sphingolipids. After proteolytic processing of the presaposin protein, these 4 released polypeptides are functional activators. Saposin A is encoded by residues 60 to 143 of PSAP, saposin B by 195 to 275, saposin C by 311 to 390, and saposin D by 405 to 487. They are four 12-14 kDa heatstable glycoproteins. Saposins A-D localize primarily to the lysosomal compartment where they facilitate the catabolism of glycosphingolipids with short oligosaccharide groups. Saposins A-D are required for the hydrolysis of certain sphingolipids by specific lysosomal hydrolases. (PMID: 2001789) Defects in PSAP are the cause of Gaucher disease, Tay-Sachs disease, and metachromatic leukodystrophy (PubMed: 2060627, PMID: 15773042). This PSAP antibody (10801-1-AP) is expected to recognize both saposin A and B. |
Reactivity | Human, Mouse, Rat |
Tested applications | WB IHC IF |
Clonality | Polyclonal Antibody |
Calculated MW | 58kDa |
Recommended Dilutions |
WB 1:500 - 1:2000
IHC 1:50 - 1:200
IF 1:50- 1:200
|
Immunogen | A recombinant protein of human PSAP |
Storage | Store at -20oC or -80oC. Avoid freeze / thaw cycles. Buffer: PBS with 0.02% sodium azide, 50% glycerol, pH7.3. |
Synonym | FLJ00245, GLBA, MGC110993, SAP1 |
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