Tryptophyl-tyrosyl-methioninium (Tyr-Met) (with Trp-77)
Cysteine sulfenic acid (-SOH) intermediate; for peroxidase activity
Schiff-base intermediate with acetaldehyde
Schiff-base intermediate with D-ribose 5-phosphate
O-(5'-phospho-DNA)-tyrosine intermediate
Removed in mature form; by autocatalysis