preferred_name: peptidyl-D-alanine racemization via peptidyl-L-serine
preferred_name_lc: peptidyl-d-alanine racemization via peptidyl-l-serine
label: peptidyl-D-alanine racemization via peptidyl-L-serine
label_lc: peptidyl-d-alanine racemization via peptidyl-l-serine