Main Reaction: NO2 + N2 + Ureids + Urea >> NH3

Reference: PubMed ID: 26779231
Authors: Sobieszczuk-Nowicka E, Kubala S, Zmienko A, Małecka A, Legocka J
Title: From Accumulation to Degradation: Reprogramming Polyamine Metabolism Facilitates Dark-Induced Senescence in Barley Leaf Cells.
Published: 2016 Jan 6

NO2 + N2 + Ureids + Urea --> NH3