beta-casomorphin-7 + H2O => beta-casomorphin-6 + L-isoleucine
beta-casomorphin-7 + h2o => beta-casomorphin-6 + l-isoleucine
beta-casomorphin-7 + H2O => beta-casomorphin-6 + L-isoleucine
beta-casomorphin-7 + h2o => beta-casomorphin-6 + l-isoleucine