# pathway 4-hydroxybenzoate step ligA # Cluster 1 139-149 amino acids (heteromeric) # metacyc::MONOMER-15116,BRENDA::G2IQQ4 P22635;; protocatechuate 4,5-dioxygenase alpha chain (EC 1.13.11.8);; protocatechuate 4,5-dioxygenase (subunit 2/2) (EC 1.13.11.8) Sphingobium sp. (strain NBRC 103272 / SYK-6);; Sphingobium sp. heteromeric # metacyc::MONOMER-3165,BRENDA::Q8RNY0 Q8RNY0;; protocatechuate 4,5-dioxygenase α subunit (EC 1.13.11.8; EC 1.13.11.57);; protocatechuate 4,5-dioxygenase (EC 1.13.11.8) Comamonas testosteroni;; Comamonas testosteroni heteromeric Cluster1 protocatechuate 4,5-dioxygenase alpha chain (EC 1.13.11.8);; protocatechuate 4,5-dioxygenase (subunit 2/2) (EC 1.13.11.8) curated:metacyc::MONOMER-15116 curated:metacyc::MONOMER-3165