Cysteine sulfenic acid (-SOH) intermediate
Schiff-base intermediate with substrate; via pyruvic acid
Cysteine sulfenic acid (-SOH) intermediate; for peroxidase activity
Phosphatidylserine decarboxylase alpha chain
Phosphatidylserine decarboxylase beta chain
Proton acceptor; for phosphorylation activity. Proton donor; for dephosphorylation activity