glycolate + L-cysteinyl-[protein] + H(+) => S-(1-hydroxy-2-oxoethyl)-L-cysteinyl-[protein] + H2O
glycolate + l-cysteinyl-[protein] + h(+) => s-(1-hydroxy-2-oxoethyl)-l-cysteinyl-[protein] + h2o
glycolate + L-cysteinyl-[protein] + H(+) => S-(1-hydroxy-2-oxoethyl)-L-cysteinyl-[protein] + H2O
glycolate + l-cysteinyl-[protein] + h(+) => s-(1-hydroxy-2-oxoethyl)-l-cysteinyl-[protein] + h2o