Main Reaction: Putrescine >> homospermidine

Reference: PubMed ID: 12562768
Authors: Ober D, Harms R, Witte L, Hartmann T
Title: Molecular evolution by change of function. Alkaloid-specific homospermidine synthase retained all properties of deoxyhypusine synthase except binding the eIF5A precursor protein.
Published: 2003 Apr 11

Putrescine --> homospermidine