Peroxisomal trans-2-enoyl-CoA reductase is involved in phytol degradation

J. Gloerich, J. P. N. Ruiter, D. M. van den Brink, R. Ofman, S. Ferdinandusse, R. J. A. Wanders

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Abstract

Phytol is a naturally occurring precursor of phytanic acid. The last step in the conversion of phytol to phytanoyl-CoA is the reduction of phytenoyl-CoA mediated by an, as yet, unidentified enzyme. A candidate for this reaction is a previously described peroxisomal trans-2-enoyl-CoA reductase (TER). To investigate this, human TER was expressed in E. coli as an MBP-fusion protein. The purified recombinant protein was shown to have high reductase activity towards trans-phytenoyl-CoA, but not towards the peroxisomal beta-oxidation intermediates C24:1-CoA and pristenoyl-CoA. In conclusion, our results show that human TER is responsible for the reduction of phytenoyl-CoA to phytanoyl-CoA in peroxisomes
Original languageEnglish
Pages (from-to)2092-2096
JournalFEBS letters
Volume580
Issue number8
DOIs
Publication statusPublished - 2006

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