1.13.11.3	3,4-dihydroxybenzoate + O2	-	
1.13.11.3	3,4-dihydroxybenzoate + O2	100% activity	
1.13.11.3	additional information	benzoate induces expression of protocatechuate 3,4-dioxygenase	
1.13.11.3	additional information	enzyme involved in last ring fission in naphtalene degradation, intermediates confirm proceeding through protocatechuic acid via ortho-claevage pathway	
1.13.11.3	additional information	strain KB2 degrades 13 mM 3,4-dihydroxybenzoate, 10 mM benzoic acid and 12 mM phenol within 24 h of incubation	
1.13.11.3	additional information	the enzyme is active on a wide range of phenyl compounds, in contrast to the high specificity of similar enzymes from other sources	
1.13.11.3	protocatechuate + O2	-	
1.13.11.3	protocatechuic acid + O2	-