Main Reaction: spermidine >> putrescine + 3-aminopropanal

Reference: PubMed ID: 27208290
Authors: Lou YR, Bor M, Yan J, Preuss AS, Jander G
Title: Arabidopsis NATA1 Acetylates Putrescine and Decreases Defense-Related Hydrogen Peroxide Accumulation.
Published: 2016 Jun

spermidine --> putrescine + 3-aminopropanal