Fig. S1 (a) Physical map showing the T-DNA insertion into the Arabidopsis thaliana genomic region encoding protein serine/threonine phosphatase 5 (PP5); (b) immunoblot analysis showing the abundance of AtPP5 in protein extracts from wild type (WT), Atpp5, Atpp5OEPP5 and Atpp5OEH290N (left).

Fig. S2 Homogeneity of purified recombinant Arabidopsis thaliana protein serine/threonine phosphatase 5 (AtPP5) protein was confirmed by electrophoresis and matrix-assisted laser desorption ionization time-of-flight (MALDI-TOF) mass spectrometry.

Fig. S3 Multiple functions of Arabidopsis thaliana protein serine/threonine phosphatase 5 (AtPP5).

Table S1 Oligonucleotide primers used in this study

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