A flavoprotein. Acts on the 1,4-lactones of L-galactonic, D-altronic, L-fuconic, D-arabinic and D-threonic acids; not identical with EC 188.8.131.52 L-gulonolactone oxidase. (cf. EC 184.108.40.206 galactonolactone dehydrogenase).
Bleeg, H.S. and Christensen, F. Biosynthesis of ascorbate in yeast. Purification of L-galactono-1,4-lactone oxidase with properties different from mammalian L-gulonolactone oxidase. Eur. J. Biochem.127 (1982) 391–396. [PMID: 6754380]
[EC 220.127.116.11 created 1984 as EC 18.104.22.168, transferred 2006 to EC 22.214.171.124]