The cytosolic-binding protein for the immunosuppressant FK-506 is both a ubiquitous and highly conserved peptidyl-prolyl cis-trans isomerase - Siekierka, J J; Wiederrecht, G; Greulich, H; Boulton, D; Hung, S H; Cryan, J; Hodges, P J; Sigal, N H (J Biol Chem, 1990)