Peptidylprolyl Isomerase/chemistry; Peptidylprolyl Isomerase/metabolism; Plant Proteins/chemistry; Plants/enzymology; Amino Acid Sequence; Arabidopsis Proteins; Base Sequence; Binding Sites; Blotting, Northern; Cloning, Molecular; Conserved Sequence; DNA, Complementary/metabolism; Databases, Factual; Dose-Response Relationship, Drug; Enzyme Inhibitors/pharmacology; Kinetics; Mitosis; Molecular Sequence Data; Mutation; NIMA-Interacting Peptidylprolyl Isomerase; Naphthoquinones/pharmacology; Peptidylprolyl Isomerase/genetics; Peptidylprolyl Isomerase/physiology; Phenotype; Phosphorylation; Protein Binding; Protein Structure, Tertiary; RNA/metabolism; Saccharomyces cerevisiae/chemistry; Saccharomyces cerevisiae Proteins; Sequence Homology, Amino Acid; Substrate Specificity; Temperature; Time Factors; Transgenes