This enzyme belongs to the family of oxidoreductases, specifically those acting on the CH-OH group of donor with NAD+ or NADP+ as acceptor. The systematic name of this enzyme class is lactaldehyde:NADP+ oxidoreductase. Other names in common use include lactaldehyde dehydrogenase (NADP+), and Gre2.
Murata K, Fukuda Y, Simosaka M, Watanabe K, Saikusa T, Kimura A (1985). "Metabolism of 2-oxoaldehyde in yeasts. Purification and characterization of NADPH-dependent methylglyoxal-reducing enzyme from Saccharomyces cerevisiae". Eur. J. Biochem. 151 (3): 631–636. PMID3896793. doi:10.1111/j.1432-1033.1985.tb09151.x.
Johnston M, Chitnis PR, Kohl DH (2003). "Associating protein activities with their genes: rapid identification of a gene encoding a methylglyoxal reductase in the yeast Saccharomyces cerevisiae". Yeast. 20 (6): 545–554. PMID12722185. doi:10.1002/yea.979.