Table 1. Occurrence of proteases in the digestive tract (% of cases, N = 22).

Proteases (kDa)	Crop content	Style sac content	Coiled gut content	Midgut glandtissue	Salivary gland tissue	Coiled gut tissue
28±1	0	9	100	9	0	0
29±1	0	0	0	0	0	95
30±2	100	100	100	72	0	0
70±2	0	0	0	0	77	0
125±5	82	41	0	0	100	0
145±5	0	0	86	0	0	0
198±5	0	0	64	0	0	0