preferred_name: peptidyl-proline hydroxylation to 4-hydroxy-L-proline
preferred_name_lc: peptidyl-proline hydroxylation to 4-hydroxy-l-proline
label: peptidyl-proline hydroxylation to 4-hydroxy-L-proline
label_lc: peptidyl-proline hydroxylation to 4-hydroxy-l-proline