Xaa-L-Pro dipeptide + H2O <=> an L-alpha-amino acid + L-proline
xaa-l-pro dipeptide + h2o <=> an l-alpha-amino acid + l-proline
Xaa-L-Pro dipeptide + H2O <=> an L-alpha-amino acid + L-proline
xaa-l-pro dipeptide + h2o <=> an l-alpha-amino acid + l-proline