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Spinkl

Gene
Spinkl
Protein
Serine protease inhibitor kazal-like protein, minor form
Organism
Mus musculus
Length
90 amino acids
Function
Does not function as an inhibitor of trypsin, chymotrypsin, subtilisin or elastase. Binds sperm and enhances sperm motility. May act as a decapacitation factor, suppresses BSA-stimulated sperm capacitation and blocks sperm-oocyte interactions in vitro.
Mass
10.542 kDa
Sequence
MSSTWIKFLFILTLVLLPYSVFSVNIFAGPENVIKEPNCTMYKSKSECSNIAENPVCADDRNTYYNECYFCIEKVVEKLKYRYHGICIYK