angiotensin-(1-5) + L-histidyl-L-proline => angiotensin-(1-7) + H2O
angiotensin-(1-5) + l-histidyl-l-proline => angiotensin-(1-7) + h2o
angiotensin-(1-5) + L-histidyl-L-proline => angiotensin-(1-7) + H2O
angiotensin-(1-5) + l-histidyl-l-proline => angiotensin-(1-7) + h2o