Species	Reference gene ID	Possible function	Papers / DOI
Arabidopsis	At3g11410	Major negative regulator of abscisic acid (ABA) responses during seed germination and cold acclimation.	Antisense inhibition of protein phosphatase 2C accelerates cold acclimation in Arabidopsis thaliana.; 2001; DOI: 10.1046/j.1365-313x.2001.01048.x; PMID: 11439132; https://pubmed.ncbi.nlm.nih.gov/11439132/ | Physical and functional interaction of the Arabidopsis K(+) channel AKT2 and phosphatase AtPP2CA.; 2002; DOI: 10.1105/tpc.000943; PMID: 12034902; https://pubmed.ncbi.nlm.nih.gov/12034902/ | ABA-hypersensitive germination3 encodes a protein phosphatase 2C (AtPP2CA) that strongly regulates abscisic acid signaling during germination among Arabidopsis protein phosphatase 2Cs.; 2006; DOI: 10.1104/pp.105.070128; PMID: 16339800; https://pubmed.ncbi.nlm.nih.gov/16339800/ | The protein phosphatase AtPP2CA negatively regulates abscisic acid signal transduction in Arabidopsis, and effects of abh1 on AtPP2CA mRNA.; 2006; DOI: 10.1104/pp.105.070318; PMID: 16361522; https://pubmed.ncbi.nlm.nih.gov/16361522/ | ABA-Hypersensitive Germination1 encodes a protein phosphatase 2C, an essential component of abscisic acid signaling in Arabidopsis seed.; 2007; DOI: 10.1111/j.1365-313x.2007.03107.x; PMID: 17461784; https://pubmed.ncbi.nlm.nih.gov/17461784/ | ABI1 and PP2CA phosphatases are negative regulators of Snf1-related protein kinase1 signaling in Arabidopsis.; 2013; DOI: 10.1105/tpc.113.114066; PMID: 24179127; https://pubmed.ncbi.nlm.nih.gov/24179127/
Arabidopsis	At1g07430	Involved in the negative regulation of the K(+) potassium channel AKT1 by its dephosphorylation, antagonistically to CIPK proteins (e.g. CIPK23).	No verified direct reference in this release
Arabidopsis	At5g59220	Acts as a negative regulator of abscisic acid (ABA) signaling for stomatal closure in leaves, and controls water loss during leaf senescence.	An ABA-regulated and Golgi-localized protein phosphatase controls water loss during leaf senescence in Arabidopsis.; 2012; DOI: 10.1111/j.1365-313x.2011.04821.x; PMID: 22007837; https://pubmed.ncbi.nlm.nih.gov/22007837/ | An abscisic acid-AtNAP transcription factor-SAG113 protein phosphatase 2C regulatory chain for controlling dehydration in senescing Arabidopsis leaves.; 2012; DOI: 10.1104/pp.111.190876; PMID: 22184656; https://pubmed.ncbi.nlm.nih.gov/22184656/ | Selective inhibition of clade A phosphatases type 2C by PYR/PYL/RCAR abscisic acid receptors.; 2012; DOI: 10.1104/pp.111.188623; PMID: 22198272; https://pubmed.ncbi.nlm.nih.gov/22198272/ | Unique drought resistance functions of the highly ABA-induced clade A protein phosphatase 2Cs.; 2012; DOI: 10.1104/pp.112.202408; PMID: 22829320; https://pubmed.ncbi.nlm.nih.gov/22829320/
Arabidopsis	At2g29380	Probable protein phosphatase 2C 24.	No verified direct reference in this release
Rice	Os05g0457200	Probable protein phosphatase 2C 49.	No verified direct reference in this release