Species	Reference gene ID	Possible function	Papers / DOI
Arabidopsis	At5g06300	Cytokinin-activating enzyme working in the direct activation pathway.	No verified direct reference in this release
Arabidopsis	At2g37210	Cytokinin-activating enzyme working in the direct activation pathway.	No verified direct reference in this release
Arabidopsis	At2g28305	Cytokinin-activating enzyme working in the direct activation pathway.	Functional analyses of LONELY GUY cytokinin-activating enzymes reveal the importance of the direct activation pathway in Arabidopsis.; 2009; DOI: 10.1105/tpc.109.068676; PMID: 19837870; https://pubmed.ncbi.nlm.nih.gov/19837870/
Rice	Os03g0109300	Cytokinin-activating enzyme working in the direct activation pathway.	No verified direct reference in this release
Rice	Os10g0479500	Cytokinin-activating enzyme working in the direct activation pathway.	No verified direct reference in this release