Article ID | Journal | Published Year | Pages | File Type |
---|---|---|---|---|
2050833 | FEBS Letters | 2006 | 5 Pages |
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 β-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.
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Authors
J. Gloerich, J.P.N. Ruiter, D.M. van den Brink, R. Ofman, S. Ferdinandusse, R.J.A. Wanders,