Cysteine sulfenic acid (-SOH) intermediate; for peroxidase activity
O-(5'-phospho-DNA)-tyrosine intermediate
High-affinity heme uptake system protein IsdE
O-(3'-phospho-DNA)-tyrosine intermediate
Interaction with polymerase core subunit RpoC
Proton acceptor; for phosphorylation activity. Proton donor; for dephosphorylation activity
Cysteine sulfenic acid (-SOH) intermediate
Important for interaction with partner proteins
Phosphocysteine intermediate; for EIIB activity
Gly-cisPro motif, important for rejection of L-amino acids
2-(S-cysteinyl)pyruvic acid O-phosphothioketal
Schiff-base intermediate with acetaldehyde