Species	Reference gene ID	Possible function	Papers / DOI
Arabidopsis	At4g24490	May catalyze geranylgeranylation of Rab proteins.	Arabidopsis Rab Geranylgeranyltransferases Demonstrate Redundancy and Broad Substrate Specificity in Vitro.; 2016; DOI: 10.1074/jbc.m115.673491; PMID: 26589801; https://pubmed.ncbi.nlm.nih.gov/26589801/
Arabidopsis	At5g41820	Catalyzes the transfer of a geranylgeranyl moiety from geranylgeranyl diphosphate to both cysteines of Rab proteins with the C-terminal sequence -CCXX, CXXX, -XCCX and -XCXC, such as RABA1A, RABA2A, RABF2A and RABG2 (By similarity).	Arabidopsis Rab Geranylgeranyltransferases Demonstrate Redundancy and Broad Substrate Specificity in Vitro.; 2016; DOI: 10.1074/jbc.m115.673491; PMID: 26589801; https://pubmed.ncbi.nlm.nih.gov/26589801/