ID   1.13.11.8
DE   protocatechuate 4,5-dioxygenase.
AN   protocatechuate 4,5-oxygenase.
CA   3,4-dihydroxybenzoate + O2 = 4-carboxy-2-hydroxy-cis,cis-muconate
CA   6-semialdehyde + H(+).
CC   -!- Formerly EC 1.13.1.8.
DR   P22635, PCYA_SPHSK ;  P22636, PCYB_SPHSK ;
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