New luciferin-based probe substrates for human CYP26A1

Shishir Sharma, Jingyao Liu, Xue Zhang, Sangeeta Shrestha Sharma, Erik J. Sorensen, Matthias Bureik

Research output: Contribution to journalArticlepeer-review

7 Scopus citations


Activity of human CYP26A1 towards six proluciferin probe substrates and their ester derivatives was monitored. These included three monofluorobenzyl ether isomers and three five-membered heterocycles. Overall, luciferin substrates with a free acid group gave higher activities than the ester compounds. Also, luciferin derivatives with six-ring structures were better metabolized than those with five-rings. The best substrates identified in this study are Luciferin 6′ 3-fluorobenzyl ether (Luciferin-3FBE) and its methyl ester (Luciferin-3FBEME). Taken together, we describe eleven new probe substrates for CYP26A1 and demonstrate for the first time that CYP26A1 does not only accept acid substrates but can also metabolize esters.

Original languageEnglish (US)
Article number100861
JournalBiochemistry and Biophysics Reports
StatePublished - Dec 2020

All Science Journal Classification (ASJC) codes

  • Biophysics
  • Biochemistry


  • CYP enzymes
  • Esters
  • Fission yeast
  • Luminescent probe
  • Retinoic acid


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