DUAL MODES OF MODIFICATION OF HEPATITIS A VIRUS 3C PROTEASE BY A SERINE DERIVED BETA-LACTONE: SELECTIVE CRYTSTALLIZATION AND HIGH RESOLUTION STRUCTURE OF THE HIS102 ADDUCT
DUAL MODES OF MODIFICATION OF HEPATITIS A VIRUS 3C PROTEASE BY A SERINE-DERIVED BETALACTONE: SELECTIVE CRYSTALLIZATION AND HIGH-RESOLUTION STRUCTURE OF THE HIS-102 ADDUCT