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Pathway Description
Phytanic Acid Peroxisomal Oxidation
Drosophila melanogaster
Category:
Metabolite Pathway
Sub-Category:
Metabolic
Created: 2018-08-10
Last Updated: 2019-09-12
Phytanic acid, a branched chain fatty acid, is an important component of fatty acid intake, occuring in meat, fish and dairy products. Due to its methylation, it cannot be a substrate for acyl-CoA dehydrogenase and cannot enter the mitochondrial beta oxidation pathway. Phytanic acid is instead activated to its CoA ester form by a CoA synthetase to phytanoyl-CoA, where it can begin the first cycle of alpha oxidation. Phytanoyl-CoA is a substrate for a specific alpha-hydroxylase (Phytanoyl-CoA hydroxylase), which adds a hydroxyl group to the α-carbon of phytanic acid, creating the 19-carbon homologue, pristanic acid. Pristanic acid then undergoes further metabolism through beta oxidation.
References
Phytanic Acid Peroxisomal Oxidation References
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This pathway was propagated using PathWhiz -
Pon, A. et al. Pathways with PathWhiz (2015) Nucleic Acids Res. 43(Web Server issue): W552–W559.
Propagated from SMP0000450
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