label: L-methionyl-[protein] + [thioredoxin]-disulfide + H2O = L-methionyl-(R)-S-oxide-[protein] + [thioredoxin]-dithiol
label_lc: l-methionyl-[protein] + [thioredoxin]-disulfide + h2o = l-methionyl-(r)-s-oxide-[protein] + [thioredoxin]-dithiol