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Egg-lysin

UniProtKB accession:  Q01381
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Go to UniProtKB:  Q01381
UniProtKB description:  Creates a 3 um hole in the egg vitelline layer through which the sperm passes. Does not have enzyme activity (By similarity). Species-specific interaction between the sperm protein lysin and the egg protein VERL exposes a basic surface on lysin that may dissociate the egg vitelline layer via electrostatic repulsion. Plays a role in ensuring species-specific fertilization (PubMed:10698629).
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