Retinal oxidase is identical to aldehyde oxidase

FEBS Lett. 1993 Dec 27;336(2):272-4. doi: 10.1016/0014-5793(93)80818-f.


Retinal oxidase (EC and aldehyde oxidase (EC were compared with respect to their enzymatic and physiochemical properties. It was found that the molecular weights, subunits, optical spectra, chemical and immunological properties, cellular localization and substrate specificities of the two oxidases are identical on almost all points. The physiological function of aldehyde oxidase appears to be the synthesis of retinoic acid from retinal.

MeSH terms

  • Aldehyde Oxidase
  • Aldehyde Oxidoreductases / metabolism*
  • Animals
  • Kinetics
  • Liver / enzymology
  • Male
  • Rabbits
  • Retinal Dehydrogenase
  • Substrate Specificity


  • Aldehyde Oxidoreductases
  • Retinal Dehydrogenase
  • Aldehyde Oxidase