Species	Reference gene ID	Possible function	Papers / DOI
Arabidopsis	At3g06960	Involved in lipid transfer from the endoplasmic reticulum (ER) to plastids.	Lipid trafficking between the endoplasmic reticulum and the plastid in Arabidopsis requires the extraplastidic TGD4 protein.; 2008; DOI: 10.1105/tpc.108.061176; PMID: 18689504; https://pubmed.ncbi.nlm.nih.gov/18689504/ | Lipid transport mediated by Arabidopsis TGD proteins is unidirectional from the endoplasmic reticulum to the plastid.; 2010; DOI: 10.1093/pcp/pcq053; PMID: 20410050; https://pubmed.ncbi.nlm.nih.gov/20410050/ | TGD4 involved in endoplasmic reticulum-to-chloroplast lipid trafficking is a phosphatidic acid binding protein.; 2012; DOI: 10.1111/j.1365-313x.2012.04900.x; PMID: 22269056; https://pubmed.ncbi.nlm.nih.gov/22269056/ | The phosphatidic acid binding site of the Arabidopsis trigalactosyldiacylglycerol 4 (TGD4) protein required for lipid import into chloroplasts.; 2013; DOI: 10.1074/jbc.m112.438986; PMID: 23297418; https://pubmed.ncbi.nlm.nih.gov/23297418/