Species	Reference gene ID	Possible function	Papers / DOI
Arabidopsis	At4g02510	GTPase involved in protein precursor import into chloroplasts.	The major protein import receptor of plastids is essential for chloroplast biogenesis.; 2000; DOI: 10.1038/35003214; PMID: 10646606; https://pubmed.ncbi.nlm.nih.gov/10646606/ | Dimerization of Toc-GTPases at the chloroplast protein import machinery.; 2003; DOI: 10.1074/jbc.m305946200; PMID: 12869544; https://pubmed.ncbi.nlm.nih.gov/12869544/ | The roles of toc34 and toc75 in targeting the toc159 preprotein receptor to chloroplasts.; 2003; DOI: 10.1074/jbc.m307873200; PMID: 12951325; https://pubmed.ncbi.nlm.nih.gov/12951325/ | Functional specialization amongst the Arabidopsis Toc159 family of chloroplast protein import receptors.; 2004; DOI: 10.1105/tpc.104.023309; PMID: 15273297; https://pubmed.ncbi.nlm.nih.gov/15273297/ | AtToc90, a new GTP-binding component of the Arabidopsis chloroplast protein import machinery.; 2004; DOI: 10.1023/b:plan.0000036374.92546.51; PMID: 15284497; https://pubmed.ncbi.nlm.nih.gov/15284497/ | Deletion of core components of the plastid protein import machinery causes differential arrest of embryo development in Arabidopsis thaliana.; 2006; DOI: 10.1055/s-2005-873044; PMID: 16435266; https://pubmed.ncbi.nlm.nih.gov/16435266/
Arabidopsis	At2g16640	GTPase involved in protein precursor import into chloroplasts.	Functional specialization amongst the Arabidopsis Toc159 family of chloroplast protein import receptors.; 2004; DOI: 10.1105/tpc.104.023309; PMID: 15273297; https://pubmed.ncbi.nlm.nih.gov/15273297/ | Deletion of core components of the plastid protein import machinery causes differential arrest of embryo development in Arabidopsis thaliana.; 2006; DOI: 10.1055/s-2005-873044; PMID: 16435266; https://pubmed.ncbi.nlm.nih.gov/16435266/
Arabidopsis	At3g16620	GTPase involved in protein precursor import into chloroplasts.	Functional specialization amongst the Arabidopsis Toc159 family of chloroplast protein import receptors.; 2004; DOI: 10.1105/tpc.104.023309; PMID: 15273297; https://pubmed.ncbi.nlm.nih.gov/15273297/