neurotensin + H2O <=> neurotensin-(1-12) + L-leucine
neurotensin + h2o <=> neurotensin-(1-12) + l-leucine
neurotensin + H2O <=> neurotensin-(1-12) + L-leucine
neurotensin + h2o <=> neurotensin-(1-12) + l-leucine