Immunogen sequence: TNSTFVQALV EHVKEECDRL GPGMADICKN YISQYSEIAI QMMMHMQPKE ICALVGFCDE VKEMPMQTLV PAKVASKNVI PALELVEPIK KHEVPAKSDV YCEVCEFLVK EVTKLIDNNK TEKEILDAFD KMCSKLPKSL SEE
PSAP is a highly conserved glycoprotein which is a precursor for 4 cleavage products: saposins A, B, C, and D. Each domain of the precursor protein is approximately 80 amino acid residues long with nearly identical placement of cysteine residues and glycosylation sites. Saposins A-D localize primarily to the lysosomal compartment where they facilitate the catabolism of glycosphingolipids with short oligosaccharide groups. The precursor protein exists both as a secretory protein and as an integral membrane protein and has neurotrophic activities.
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Protein Aliases: A1 activator; Cerebroside sulfate activator; Co-beta-glucosidase; Component C; CSAct; Dispersin; GLBA; Glucosylceramidase activator; Proactivator polypeptide; Prosaposin; Protein A; Protein C; SAP-1; SAP-2; Saposin-A; Saposin-B; Saposin-B-Val; Saposin-C; Saposin-D; Sphingolipid activator protein 1; Sphingolipid activator protein 2; sphingolipid activator protein-1; Sulfatide/GM1 activator
Gene Aliases: GLBA; PSAP; SAP1
UniProt ID: (Human) P07602
Entrez Gene ID: (Human) 5660