Table 1.

Summary of characteristics from putative protease sequences from the Schistosoma mansoni genome.

Protease class	Num. protease sequences	Num. protease families	Proteases with predicted transmembrane helices		Proteases with signal sequence
			TMHMM	TUPS
Aspartic	11	3	3	5	4
Cysteine	68	14	1	29	13
Metallo	100	19	19	46	11
Serine	60	15	12	34	16
Threonine	16	3	1	6	1
Totals	255	54	36	120	45