Cyclophilin members falling insamemolecular weight category and subtype were grouped together in the phylogenetic tree indicatingtheir co-evolutionin rice and Arabidopsis. The outermost circle depicts the domain architecture of cyclophilin members of rice and Arabidopsis. The membrane-bound cyclophilin members (having a characteristic transmembrane domain) of rice and Arabidopsis and those localized in nucleus (possessing nuclear localized signals (NLS))(Tables1and2)identifiedusingWOLFPSORT(http:// wolfpsort.org/) and Nucpred (http://www.sbc.su.se/) have also beenshownintheoutercircle.TheTPRcontainingcyclophilin members include AtCYP40, OsCYP40b, and OsCYP40a (Supplementary Fig. II, outer circle).