MetaCyc Pathway: icosapentaenoate biosynthesis II (6-desaturase, mammals) in Desulfovibrio vulgaris Miyazaki F

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Reactions and Genes MoYLS4 with Vancomycin 0.5 mg/ml
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Long-chain-fatty-acid--CoA ligase:
α-linolenate + ATP + coenzyme A→α-linolenoyl-CoA + AMP + diphosphate
(EC 6.2.1.3)
DvMF_0256 +1.1
DvMF_2243 +1.1
DvMF_2357 -0.6
Linoleoyl-CoA desaturase:
α-linolenoyl-CoA + 2 a ferrocytochrome b5 + dioxygen + 2 H+→stearidonoyl-CoA + 2 a ferricytochrome b5 + 2 H2O
(EC 1.14.19.3)
No genes
stearidonoyl-CoA + malonyl-CoA + H+→(8Z,11Z,14Z,17Z)-3-oxoicosatetraenoyl-CoA + CO2 + coenzyme A
No genes
(8Z,11Z,14Z,17Z)-3-oxoicosatetraenoyl-CoA + NAD(P)H + H+→(3R,8Z,11Z,14Z,17Z)-3-hydroxyicosatetraenoyl-CoA + NAD(P)+ (EC 1.1.1.330)
No genes
(3R,8Z,11Z,14Z,17Z)-3-hydroxyicosatetraenoyl-CoA→(2E,8Z,11Z,14Z,17Z)-icosapentaenoyl-CoA + H2O (EC 4.2.1.134)
No genes
(2E,8Z,11Z,14Z,17Z)-icosapentaenoyl-CoA + a reduced two electron carrier→(8Z,11Z,14Z,17Z)-icosatetraenoyl-CoA + an oxidized electron carrier (EC 1.3.1.93)
No genes
(8Z,11Z,14Z,17Z)-icosatetraenoyl-CoA + 2 a ferrocytochrome b5 + dioxygen + 2 H+→(5Z,8Z,11Z,14Z,17Z)-icosapentaenoyl-CoA + 2 a ferricytochrome b5 + 2 H2O (EC 1.14.19.44)
No genes

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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