MetaCyc Pathway: protocatechuate degradation II (ortho-cleavage pathway) in Pseudomonas putida KT2440

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Reactions and Genes Vanillic Acid (C)
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Protocatechuate 3,4-dioxygenase:
protocatechuate + dioxygen→3-carboxy-cis,cis-muconate + 2 H+ (EC 1.13.11.3)
PP_4655 -5.1
PP_4656 -6.8
3-carboxy-cis,cis-muconate cycloisomerase (in reverse):
3-carboxy-cis,cis-muconate + H+→(2-carboxy-2,5-dihydro-5-oxofuran-2-yl)-acetate (EC 5.5.1.2)
PP_1379 -7.6
4-carboxymuconolactone decarboxylase:
(2-carboxy-2,5-dihydro-5-oxofuran-2-yl)-acetate + H+→(4,5-dihydro-5-oxofuran-2-yl)-acetate + CO2 (EC 4.1.1.44)
PP_1381 -5.5
PP_3648 -0.1
3-oxoadipate enol-lactonase:
(4,5-dihydro-5-oxofuran-2-yl)-acetate + H2O→3-oxoadipate + H+ (EC 3.1.1.24)
PP_1380 -5.3
PP_3645 -0.2
PP_4540 -0.2

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Candidate genes for each reaction are identified from best hits to MetaCyc; by matching EC numbers (which are assigned by TIGRFam, SEED, or best hits to KEGG); or by matching SEED roles to KEGG reactions to MetaCyc reactions. See the "Protein" tab of each gene for more information