Species	Reference gene ID	Possible function	Papers / DOI
Arabidopsis	At1g26190	Exhibits pyrophosphatase activity with stronger affinity for pyrophosphate (PPi), moderate affinity for ATP and ADP, and weak affinity for tripolyphosphate (PPPi).	Arabidopsis triphosphate tunnel metalloenzyme2 is a negative regulator of the salicylic acid-mediated feedback amplification loop for defense responses.; 2014; DOI: 10.1104/pp.114.248757; PMID: 25185123; https://pubmed.ncbi.nlm.nih.gov/25185123/ | Triphosphate Tunnel Metalloenzyme Function in Senescence Highlights a Biological Diversification of This Protein Superfamily.; 2017; DOI: 10.1104/pp.17.00700; PMID: 28733390; https://pubmed.ncbi.nlm.nih.gov/28733390/
Arabidopsis	At1g73980	Exhibits pyrophosphatase activity with stronger affinity for pyrophosphate (PPi), moderate affinity for ATP and ADP, and weak affinity for tripolyphosphate (PPPi).	No verified direct reference in this release