Species	Reference gene ID	Possible function	Papers / DOI
Arabidopsis	At5g08280	Tetrapolymerization of the monopyrrole PBG into the hydroxymethylbilane pre-uroporphyrinogen in several discrete steps.	PORPHOBILINOGEN DEAMINASE deficiency alters vegetative and reproductive development and causes lesions in Arabidopsis.; 2013; DOI: 10.1371/journal.pone.0053378; PMID: 23308205; https://pubmed.ncbi.nlm.nih.gov/23308205/
Rice	Os02g0168800	Tetrapolymerization of the monopyrrole PBG into the hydroxymethylbilane pre-uroporphyrinogen in several discrete steps.	No verified direct reference in this release