Protein
Gentisate 1,2-dioxygenase
Function
Catalyzes the oxygen-dependent ring fission of gentisate between the carboxyl and proximal hydroxyl groups at positions 1 and 2 of the aromatic ring to form maleylpyruvate. No activity with cathechol and protecatechuate as substrates. Part of a 3-hydroxybenzoic acid-degradation pathway.
Similarity
Belongs to the gentisate 1,2-dioxygenase family.
Sequence
MAEQEPKELLEMSTDTERLLEENDLRPLWEVEKDFGNQFGGFEADIWKWEDIQASIDAIERDVPIADLPPGFQRRVAVPVNTGYRNAISNTIYVGVQTVSPGETAPAHRHGANALRFTIDGSEDMKTVVAGEEFPMRDNDLITTPQWEWHDHVNDGDETAAWLDVLDLPLVLDSLNARNTFENHELDRQPVTKSQGYWESQYGRARPFEDTKEDGIPGPFEGNCAATPPYRFSWKDTLQTLRQRAENDDPDPHDGYSLSYVNPATGQPPLFPTMSFRAQLLQEETDPHFHNAVDAYFVIEGEGATHVGDDVLEWSERDIFVIPPDEIHHHDPDGEAILLGMTDRPVFEAFNFYAEAEP