Removed in mature form; by autocatalysis
Cysteine sulfenic acid (-SOH) intermediate; for peroxidase activity
Schiff-base intermediate with D-ribose 5-phosphate
Proton acceptor; for processing activity
Schiff-base intermediate with substrate; via pyruvic acid
Involved in ionization of N3 of dUMP, leading to its activation
Proton acceptor; for FBP phosphatase activity
Proton donor/acceptor; for FBP aldolase activity
Schiff-base intermediate with DHAP; for FBP aldolase activity
O-(3'-phospho-DNA)-tyrosine intermediate
Cysteine sulfenic acid (-SOH) intermediate