ATLANTIC SALMON (SALMO SALAR L.) SKIN CONTAINS A NOVEL KININOGEN AND ANOTHER CYSTEINE PROTEINASE INHIBITOR

作者: Anne Ylönen , Ari Rinne , Jukka Herttuainen , Jarl Bøgwald , Mikko Järvinen

DOI: 10.1046/J.1432-1327.1999.00950.X

关键词:

摘要: We describe the purification and characterization of two novel cysteine proteinase inhibitors found in Atlantic salmon skin. One these, kininogen, has a molecular mass 52 kDa as determined by matrix-assisted laser desorption/ionization time-of-flight MS, is multiply charged with pI values 4.0, 4.2 4.6 shows homology to kininogens including bradykinin motif. The other, salarin, weight 43 kDa, 5.1 weak proteinases. Both proteins are N- O-glycosylated inhibit papain ficin but not trypsin.

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