Species	Reference gene ID	Possible function	Papers / DOI
Arabidopsis	At1g48600	Catalyzes N-methylation of phosphomonomethylethanolamine and phosphodimethylethanolamine, the two methylation steps required to convert phosphomonoethanolamine to phosphocholine.	Identification of phosphomethylethanolamine N-methyltransferase from Arabidopsis and its role in choline and phospholipid metabolism.; 2010; DOI: 10.1074/jbc.m110.112151; PMID: 20650897; https://pubmed.ncbi.nlm.nih.gov/20650897/
Arabidopsis	At3g18000	Involved in phosphocholine biosynthesis.	The xipotl mutant of Arabidopsis reveals a critical role for phospholipid metabolism in root system development and epidermal cell integrity.; 2004; DOI: 10.1105/tpc.103.018648; PMID: 15295103; https://pubmed.ncbi.nlm.nih.gov/15295103/ | NMT1 and NMT3  N -Methyltransferase Activity Is Critical to Lipid Homeostasis, Morphogenesis, and Reproduction.; 2018; DOI: 10.1104/pp.18.00457; PMID: 29777000; https://pubmed.ncbi.nlm.nih.gov/29777000/ | Phosphoethanolamine N-methyltransferase 1 contributes to maintenance of root apical meristem by affecting ROS and auxin-regulated cell differentiation in Arabidopsis.; 2019; DOI: 10.1111/nph.16028; PMID: 31246280; https://pubmed.ncbi.nlm.nih.gov/31246280/
Arabidopsis	At1g73600	Involved in phosphocholine biosynthesis.	NMT1 and NMT3  N -Methyltransferase Activity Is Critical to Lipid Homeostasis, Morphogenesis, and Reproduction.; 2018; DOI: 10.1104/pp.18.00457; PMID: 29777000; https://pubmed.ncbi.nlm.nih.gov/29777000/