Species	Reference gene ID	Possible function	Papers / DOI
Arabidopsis	At5g48820	Binds and inhibits CYCD2-1/CDKA-1 complex kinase activity.	No verified direct reference in this release
Arabidopsis	At3g19150	Binds and inhibits CYCD2-1/CDKA-1 complex kinase activity.	Cyclin D1 and p22ack1 play opposite roles in plant growth and development.; 2004; DOI: 10.1016/j.bbrc.2004.08.233; PMID: 15464981; https://pubmed.ncbi.nlm.nih.gov/15464981/ | Overexpression of Arabidopsis ACK1 alters leaf morphology and retards growth and development.; 2005; DOI: 10.1016/j.bbrc.2005.03.056; PMID: 15809079; https://pubmed.ncbi.nlm.nih.gov/15809079/ | Targeted degradation of the cyclin-dependent kinase inhibitor ICK4/KRP6 by RING-type E3 ligases is essential for mitotic cell cycle progression during Arabidopsis gametogenesis.; 2008; DOI: 10.1105/tpc.108.059741; PMID: 18552199; https://pubmed.ncbi.nlm.nih.gov/18552199/
Arabidopsis	At2g32710	Binds and inhibits CYCD2-1/CDKA-1 complex kinase activity.	No verified direct reference in this release
Arabidopsis	At1g49620	Binds and inhibits CYCD2-1/CDKA-1 complex kinase activity.	Arabidopsis KRPs have distinct inhibitory activity toward cyclin D2-associated kinases, including plant-specific B-type cyclin-dependent kinase.; 2006; DOI: 10.1016/j.febslet.2005.12.018; PMID: 16376885; https://pubmed.ncbi.nlm.nih.gov/16376885/
Rice	Os10g0471700	Cyclin-dependent kinase inhibitor 4.	No verified direct reference in this release