2-(S-cysteinyl)pyruvic acid O-phosphothioketal
Involved in ionization of N3 of dUMP, leading to its activation
O-(3'-phospho-DNA)-tyrosine intermediate
Cysteine sulfenic acid (-SOH) intermediate; for peroxidase activity
O-(5'-phospho-DNA)-tyrosine intermediate
Interaction with polymerase core subunit RpoC