Reports

Ultrastructural demonstration of trypsin-like protease in acrosomes of sea urchin sperm

Science  18 Jul 1980:
Vol. 209, Issue 4454, pp. 398-400
DOI: 10.1126/science.6992277

Abstract

Two independent cytochemical techniques were used to demonstrate that a trypsin-like protease is bound to the acrosomal tubule of the sea urchin sperm. The enzyme is associated with binding on the reacted acrosome and presumably functions in the early phases of fertilization.

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