Main Reaction: Ribulose 5-phosphate + Formaldehyde >> 3-Hexulose-6-phosphate

Reference: PubMed ID: 18838820
Authors: Ishikawa K, Gunji Y, Yasueda H, Asano K
Title: Improvement of L-lysine production by Methylophilus methylotrophus from methanol via the Entner-Doudoroff pathway, originating in Escherichia coli.
Published: 2008 Oct

Ribulose 5-phosphate + Formaldehyde --> 3-Hexulose-6-phosphate