Office: 2362 NPB
352.392.4716

Lab: 1012 NPB
352.392.4716

sjhagen@ufl.edu



































Stephen Hagen

Professor and Associate Chair


Education

PhD Princeton University (1989)

Research Group

Biological Physics

Research Interest

Research interests include molecular biophysics, time-resolved spectroscopic studies of protein conformational dynamics and the early stages of protein folding.

Selected Publications

Linlin Qiu and S.J. Hagen. “A limiting speed for protein folding at low solvent viscosity”. J. Am Chem. Soc.;126: 3398-3399 (2004).

T. Green, O. Ganesh, K. Perry, L. Smith, L.H. Phylip, T.M. Logan, S.J. Hagen, B.M. Dunn, and A.S. Edison. “IA3, an aspartic proteinase inhibitor from Saccharomyces cerevisiae, is intrinsically unstructured in solution”. Biochemistry (2004). [DOI: 10.1021/bi034823n].

Christopher D. Snow, Linlin Qiu, Deguo Du, Feng Gai, Stephen J. Hagen, and Vijay S. Pande. “Tryptophan Zipper Folding Kinetics via Molecular Dynamics and Temperature-Jump Spectroscopy”. Proc. Natl. Acad. Sci. USA (2004). [DOI 10.1073/pnas.0305260101]

L. Qiu, C. Zachariah, and S.J. Hagen. “Fast chain contraction during protein folding: 'Foldability' and collapse dynamics”. Phys. Rev. Lett.; 90 (16) (2003). [DOI 10.1103/PhysRevLett.90.168103]

L.L. Qiu, S.A. Pabit, A.E. Roitberg, & S.J. Hagen. “Smaller and faster: The 20-residue Trp-cage folds in 4 microseconds”. J. Am. Chem. Soc. Communications; 124: 12952-12953 (2002)

S.A. Pabit and S.J. Hagen. “A laminar-flow fluid mixer for fast fluorescence kinetics studies”. Biophysical Journal; 83: 2872-2878 (2002).