Main Reaction: alanine >> porphobilinogen

Reference: PubMed ID: 22735778
Authors: He R, Wakimoto T, Takeshige Y, Egami Y, Kenmoku H, Ito T, Wang B, Asakawa Y, Abe I
Title: Porphyrins from a metagenomic library of the marine sponge Discodermia calyx.
Published: 2012 Sep

alanine --> porphobilinogen