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saposin B; sphingolipid activator protein-1; SAP-1; dispersin; sulfatide/GM1 activator
Function:
- saposin-B stimulates the hydrolysis of
a) galactocerebroside sulfate by arylsulfatase A,
b) GM1 gangliosides by beta-galactosidase
c) globotriaosylceramide by alpha-galactosidase A
- saposin-B forms a solubilizing complex with the substrates of the sphingolipid hydrolases
Structure: homodimer
General
saposin
References
UniProt :accession P07602