Pathway Leading to Correctly Folded β-Tubulin

*Department of Biochemistry noff et al., 1989; Ostermann et al., 1989; Martin et al., New York University Medical Center 1991; Gething and Sambrook, 1992; Gao et al., 1992; New York, NY 10016 Horwich et al., 1993; Lewis et al., 1996). †Flanders Interuniversity Institute for Biotechnology It has not provedpossible to obtain exchange-compeUniversity of Ghent tent tubulin following denaturation of native material B-9000 Ghent with reagents such as guanidine or urea. Rather, genetic Belgium (Ursic and Culbertson, 1991; Vinh and Drubin, 1994;