The subtilisin-like protease AprV2 is required for virulence and uses a novel disulphide-tethered exosite to bind substrates. oleh Ruth M Kennan, Wilson Wong, Om P Dhungyel, Xiaoyan Han, David Wong, Dane Parker, Carlos J Rosado, Ruby H P Law, Sheena McGowan, Shane B Reeve, Vita Levina, Glenn A Powers, Robert N Pike, Stephen P Bottomley, A Ian Smith, Ian Marsh, Richard J Whittington, James C Whisstock, Corrine J Porter, Julian I Rood