trypsin
/ˈtrɪpsɪn
/noun [mass noun]
A digestive enzyme which breaks down proteins in the small intestine, secreted by the pancreas as trypsinogen.Many people take extra doses of naturally produced enzymes, such as lactase, pepsin and trypsin, in supplement form....
- When the two loops in trypsin were changed into chymotrypsin loops, the hybrid protein shows chymotrypsin-like cooperatvity.
- We found that both trypsin and elastase digestion eliminated counterbend formation.
Derivatives
tryptic
- For instance, the mean number of tryptic peptides per protein for E. coli is 28, but 42 for C. elegans, so the fragmentation patterns expected for a typical protein will the different in the different organisms.
- Accordingly, I started preparing and characterizing tryptic hemoglobin peptides that contained the highly visible heme group.
- In the first experiment, a fresh aliquot of intact actin was added to the tryptic digestion reaction of actin that has proceeded for 30 min.
Origin
Late 19th century: from Greek tripsis 'friction', from tribein 'to rub' (because it was first obtained by rubbing down the pancreas with glycerine), + -in1.