neurotensin-(1-7) + L-arginine => neurotensin-(1-8) + H2O
neurotensin-(1-7) + l-arginine => neurotensin-(1-8) + h2o
neurotensin-(1-7) + L-arginine => neurotensin-(1-8) + H2O
neurotensin-(1-7) + l-arginine => neurotensin-(1-8) + h2o