Main Reaction: 2-ketoisovalerate >> L-Valine

Reference: PubMed ID: 19609521
Authors: Atsumi S, Wu TY, Eckl EM, Hawkins SD, Buelter T, Liao JC
Title: Engineering the isobutanol biosynthetic pathway in Escherichia coli by comparison of three aldehyde reductase/alcohol dehydrogenase genes.
Published: 2010 Jan

2-ketoisovalerate --> L-Valine