1995
  1. Snijder,E.J., Wassenaar,A.L., Spaan,W.J. and Gorbalenya,A.E. \<br\>The arterivirus Nsp2 protease. An unusual cysteine protease with primary structure similarities to both papain-like and chymotrypsin-like proteases\<br\>J Biol Chem (1995) 270, 16671-16676. PubMed  Europe PubMed DOI