3.4.21.99	137255	Evidence for the participation of two sperm proteases, spermosin and acrosin, in fertilization of the ascidian, Halocynthia roretzi: inhibitory effects of leupeptin analogs on enzyme activities and fertilization	Dev. Biol.	105	Halocynthia roretzi	
3.4.21.99	137256	Localization, expression, and the role in fertilization of spermosin, an ascidian sperm trypsin-like protease	Biochem. Biophys. Res. Commun.	222	Halocynthia roretzi	
3.4.21.99	137254	Purification and characterization of two types of trypsin-like enzymes from sperm of the ascidian (Prochordata) Halocynthia roretzi. Evidence for the presence of spermosin, a novel acrosin-like enzyme	J. Biol. Chem.	259	Halocynthia roretzi	
3.4.21.99	665085	Spermosin	Handbook of proteolytic enzymes (Barrett, A. J. , Rawlings, N. D. , Woessner, J. F. , eds. ) Academic Press	2	Halocynthia roretzi	
3.4.21.99	651146	Spermosin, a trypsin-like protease from ascidian sperm: cDNA cloning, protein structures and functional analysis	Eur. J. Biochem.	269	Halocynthia roretzi	
3.4.21.99	137257	Substrate specificity of ascidian sperm trypsin-like proteases, spermosin and acrosin	Mol. Reprod. Dev.	45	Halocynthia roretzi	
3.4.21.99	137258	Timing of action of sperm proteases in ascidian fertilization	Experientia	42	Halocynthia roretzi