Nucleolar peptidyl-prolyl cis-trans isomerase (PPIase)%3B FK506 binding protein%3B affects expression of multiple genes via its role in nucleosome assembly%3B phosphorylated by casein kinase II (Cka1p-Cka2p-Ckb1p-Ckb2p) and dephosphorylated by Ptp1p%3B PPIase domain acts as a transcriptional repressor when tethered to DNA by lexA%2C and repressor activity is dependent on PPIase activity%3B FPR3 has a paralog%2C FPR4%2C that arose from the whole genome duplication