Species	Reference gene ID	Possible function	Papers / DOI
Arabidopsis	At5g42810	May phosphorylate Ins(1,3,4,5,6)P₅ at position 2 to produce phytate, Ins(1,2,3,4,5,6)P₆.	Generation of phytate-free seeds in Arabidopsis through disruption of inositol polyphosphate kinases.; 2005; DOI: 10.1073/pnas.0504172102; PMID: 16107538; https://pubmed.ncbi.nlm.nih.gov/16107538/ | Characterization of an Arabidopsis inositol 1,3,4,5,6-pentakisphosphate 2-kinase (AtIPK1).; 2006; DOI: 10.1042/bj20051331; PMID: 16223361; https://pubmed.ncbi.nlm.nih.gov/16223361/
Rice	Os04g0661200	Phosphorylates Ins(1,3,4,5,6)P5 at position 2 to form Ins(1,2,3,4,5,6)P6 (InsP6 or phytate).	No verified direct reference in this release
Rice	UniProt: B8AVX5	Phosphorylates Ins(1,3,4,5,6)P5 at position 2 to form Ins(1,2,3,4,5,6)P6 (InsP6 or phytate).	No verified direct reference in this release