Important for interaction with partner proteins
Cysteine sulfenic acid (-SOH) intermediate
Cysteine sulfenic acid (-SOH) intermediate; for peroxidase activity
Interaction with polymerase core subunit RpoC
Proton acceptor; for phosphorylation activity. Proton donor; for dephosphorylation activity
2-(S-cysteinyl)pyruvic acid O-phosphothioketal