Cysteine sulfenic acid (-SOH) intermediate; for peroxidase activity
Proton acceptor; for glutaminase activity
Phosphocysteine intermediate; for EIIB activity
O-(5'-phospho-DNA)-tyrosine intermediate
2-(S-cysteinyl)pyruvic acid O-phosphothioketal
Tat pathway signal sequence domain protein
O-(3'-phospho-DNA)-tyrosine intermediate
Schiff-base intermediate with acetaldehyde
Interaction with polymerase core subunit RpoC