GenomeNet

>xtr:548509 K01312 trypsin [EC:3.4.21.4] | (RefSeq) prss1, trp1, try1, trypsin; protease, serine, 1 (A)
MKFLIVLVLLGAAVAFEDDDKIVGGFTCTKNAVPYQVSLNAGYHFCGGSLINSQWVVSAA
HCYKSRIQVRLGEHNIAVNEGTEQFIESQKVIKHPSYNSRNLDNDIMLIKLSTTARLSSN
IQSVPLPSACASAGTNCLISGWGNTLSSGTNYPDLLQCLNAPILTASECSNSYPGEITNN
MFCAGFLAGGKDSCQGDSGGPVVCNGQLQGVVSWGYGCAQRNYPGVYTKVCNYVSWIQNT
IAAN

BLAST