CURRICULUM VITAE
Margaret Shun Cheung
617
Science & Research I Email:
mscheung@uh.edu
Department
of Physics Phone:
(713) 743-8358
Houston,
TX, 77204 http://www.phys.uh.edu/~mscheung/
EDUCATION
CURRENT RESEARCH POSITION
Assistant
Professor, September 2006-present
Department of Physics,
PAST RESEARCH POSITION
Alfred
P. Sloan Postdoctoral Fellow, 2003-2006
Effects of crowding and
confinement on protein-protein interaction
Institute for Physical Science and Technology
Advisor:
Prof. Devarajan Thirumalai
Graduate
Researcher, 1997-2003
Energy landscape aspect of protein folding dynamics
relevant to molecular functions
Department
of Physics and the Center for Theoretical Biological Physics
Advisor:
Prof. Jose¡¦ N. Onuchic
AWARDS AND HONORS
TEACHING
MENTORED STUDENTS
Shaoqing Zhang (graduate student, UH Physics, 2006-2007)
Buddhi Tilakaratne (graduate
student, UH Physics, 2007-2008)
Antonios Samiotakis (Ph.D. student, UH
Physics, 2007-present)
Qian Wang (Ph.D. student, UH Physics, 2008-present)
Jack
Liang (Ph.D. student, UH Physics, 2009-present)
Soniya Yambem (graduate student,
UH Physics, Summer 2008)
Marc
Gonzalez (undergrad, UH Physics, Summer 2007)
Byron
Hoffman (undergrad, UH Physics, Summer 2008)
Nathaniel
Morgan (undergrad, UH Physics, Fall 2008-Spring 2009)
Megan
Scoppa (undergrad, UH Biochemistry, Spring 2009-present)
Syed Razavi (undergrad, UH
Chemical and Biomolecular Engineering, Summer 2009-current)
Rizwan Tai (undergrad, UH Political Sci.
Summer 2009)
Faheem Shahid (undergrad, UH
Mechanical Engineering, Summer 2009)
Tyler
Quarton (undergrad, UH Biochemistry, Fall 2009-current)
Brian
Bush (undergrad, UH Physics, Fall 2009-current)
POSTDOCS
Dirar Homouz (Postdoc,
June 2007-May 2009)
GRANTS
Journal Publications before 2006:
1. M. S. Cheung, I. Daizadeh,
A. A. Stuchebrukhov, P. F. Heelis ¡§Pathways of Electron Transfer in E. coli DNA Photolyase¡¨, Biophys. J., 76, 1241-1249 (1999)
The prediction was later
experimentally verified (Aubert et al, Nature, 405, 586-590,
2000).
2. M. S.
Cheung, A. E. García,
J. N. Onuchic ¡§Protein
folding mediated by solvation: water expelling and
formation of the hydrophobic core occurs after the structure collapse¡¨ Proc.
Natl. Acad. Sci. U. S. A., 99, 685-690 (2002).
¡P This paper
has 152 citations since being published.
3. C. Guo, M. S. Cheung, H. Levine, D. A. Kessler ¡§Mechanisms underlying sequence-independent beta-sheet
formation¡¨ J. Chem. Phys. 116,
4353-4365 (2002).
4.
M. S. Cheung, J. M. Finke, B.
Callahan, J. N. Onuchic ¡§Exploring
the interplay of topology and secondary structural formation in the protein
folding problem¡¨ J. Phys. Chem., B, 107, 11193-11200 (2003).
5.
M.
S. Cheung, L. L. Chavez, J. N. Onuchic ¡§The Energy Landscape for Protein
Folding and Possible Connections to Function¡¨ Polymer, 45, 547-555 (2004).
6. A. Fernandez-Escamilla, M. S. Cheung, M. C. Vega, M. Wilmanns, J. N. Onuchic, L. Serrano ¡§Solvation in protein folding analysis,
combination of theoretical and experimental approaches¡¨ Proc. Natl. Acad. Sci. U. S. A., 101, 2834-2839 (2004).
7. J. M.
Finke, M. S. Cheung, J. N. Onuchic. ¡§A structural model of polyglutamine
determined from a host-guest method combining experiments and landscape theory¡¨
Biophys. J. 87,
1900-1918 (2004).
8.
S. Yang, S. S. Cho, Y. Levy, M. S. Cheung, H.
Levine, P. G. Wolynes, J. N. Onuchic.
¡§Domain
swapping is a consequence of minimal frustration¡¨. Proc. Natl. Acad. Sci. U.
S. A., 101, 13786-13791 (2004).
9. M. S. Cheung, D. Klimov, D. Thirumalai. ¡§Molecular crowding enhances native state
stability and refolding rates¡¨. Proc. Natl. Acad. Sci. U. S.
A., 102, 4753-4758 (2005).
¡P This paper was highlighted by Journal of Cell Biology in the
10.
J. Chahine, M.
S. Cheung. ¡§Computational studies of the
reversible domain swapping of p13suc1¡¨, Biophys.
J. 89, 1-9 (2005).
11.
M. S. Cheung, D. Thirumalai.
¡§Nanopore-protein interactions dramatically alter
stability and yield of the native state in restricted spaces¡¨, J. Mol. Biol. 357, 632-643 (2006).
Journal publications after 2006:
12. M. E. Sardiu, M. S. Cheung, Y.-K. Yu. ¡§Cysteine-Cysteine
contact preference leads to target-focusing in protein folding¡¨, Biophys.. J. 93 1-14
(2007).
13.
M. S. Cheung, D. Thirumalai,
¡§Crowding and confinement effects on structures of the transition state
ensemble in proteins¡¨, J. Phys. Chem. B.111
8250-8257 (2007)..
14.
S.-Q.Zhang, M.
S. Cheung, ¡§Manipulating Biopolymer Dynamics by Anisotropic Nanoconfinement¡¨, Nano Letters, 7, 3438-3442 (2007).
¡P
This paper is in Research Highlights, Nature
Nanotechnology web
15.
L. Stagg, S.-Q.Zhang, M. S. Cheung, P. Wittung-Stafshede,
¡§Molecular crowding enhances native structure and stability of £\/£] protein flavodoxin¡¨, Proc. Natl. Acad. Sci.
U. S. A., 104, 18976-18981 (2007).
16.
D. Homouz, M. Perham, A. Samiotakis,
M. S. Cheung, P. Wittung-Stafshede.
¡§Crowded, cell-like environment induces shape changes in aspherical protein¡¨, Proc. Natl. Acad. Sci.
U. S. A.,105,
11754-11759 (2008).
¡P It was
featured in Chemical & Engineering News, Aug 18th 08, issue
¡P It was featured in Research Highlights in Nature (vol 454, p21, 2008).
¡P It was featured in Research Highlights of 2008 in
Nature.
17.
N. Kanna, J. Subhlok, E.
Gabriel, M. S. Cheung, D. Anderson, ¡§Redundancy tolerant communication
on volatile nodes¡¨, technical reports,UH-CS-08-17 (2008).
18.
D. Homouz, L. Stagg, P. Wittung-Stafshede, M. S. Cheung, ¡§Macromolecular
crowding modulates folding mechanism of £\/£] protein apoflavodoxin¡¨,
Biophys. J., 96, 671-680 (2009).
19. A. Samiotakis, P. Wittung-Stafshede, M. S. Cheung, ¡§Folding, stability and shape of proteins in crowded environments:
Experimental and computational approaches¡¨, Int. J. Mol. Sci.
10, 572-588 (2009).
20. A. Kudlay, M. S. Cheung, D. Thirumalai,
¡§Crowding effects on the structural transitions in a flexible helical homopolymer¡¨, Phys. Rev. Letts. 102, 118101 (2009).
21.
D. Homouz, H. Sanabria, M.
N. Waxham, M. S. Cheung, ¡§Modulation of calmodulin plasticity
by the effect of macromolecular crowding¡¨, J. Mol. Biol. 391, 933-943 (2009).
22.
D. Homouz, B. Hoffman, M. S. Cheung, ¡§Hydrophobic interactions of hexane in nanosized water droplets¡¨, J. Phys. Chem. B, 113, 12337-12342 (2009).
¡P
Byron Hoffman was an undergraduate from the Department
of Physics, UH.
23.
L. Stagg, A. Samiotakis, M. S. Cheung, P. Wittung-Stafshede, ¡§Residue
specific analysis of frustration in folding landscape of repeat beta/alpha
protein apoflavodoxin¡¨,
submitted (2009).
24.
Q. Wang, G. Hong, G. R. Johnson, R. Pachter, M. S. Cheung, ¡§ Molecular mechanisms of
peptide translocation across micelles: A case study of cell-penetrating peptide
and antimicrobial peptide", submitted (2009)
Membership in Professional Societies:
American Physical Society, Physics Teacher Education Coalition, American Chemical Society, Protein Society and Biophysical Society.
Departmental Services:
Website committee (Fall 2006-), graduate studies committee (Spring 2007-), high-school outreach
programs (Spring 2008-), and faculty search committee (Fall 2008, Spring 2009).
Other Activities:
Invited talks and Seminar:
¡P
¡§Pathways of
electron transfer in E. coli DNA Photolyase¡¨, invited talk.
¡P
¡§Studying protein dynamics using
minimalist model with desolvation effect¡¨, invited
talk. The 221st National
Meeting for the American Chemical Society,
¡P
¡§Protein folding
with desolvation effect¡¨, Biocomplexity
seminar. Physics Department,
¡P
¡§Solvation in protein folding analysis, combination of
theoretical and experimental approaches¡¨, CSCAMM (Center for scientific
computational and mathematical modeling) seminar.
¡P
¡§Exploring the
protein folding funnel landscape: theory meets experiments¡¨, invited talk,
ISCANA (International Symposium on Clusters and Nano
Assemblies: Physical and Biological Systems),
¡P
¡§Solvation in protein folding analysis, combination of
theoretical and experimental approaches¡¨, invited talk. The 48th
annual meeting for the Biophysical Society,
¡P
¡§Life in a crowd:
macromolecular crowding and confinement effects on protein interactions in
living systems¡¨, invited talk, Department of Physics,
¡P
¡§Life in a crowd:
macromolecular crowding and confinement effects on protein interactions in
living systems¡¨, Biophysics seminar, Institute for Physical Science and
Technology, University of Maryland, College Park, MD, November 2005.
¡P
¡§Life in a crowd:
macromolecular crowding and confinement effects on protein interactions in
living systems¡¨, invited talk, Department of Chemistry,
¡P
¡§Life in a crowd:
macromolecular crowding and confinement effects on protein interactions in
living systems¡¨, invited talk, Department of Chemistry,
¡P
¡§Life in a crowd:
macromolecular crowding and confinement effects on protein interactions in
living systems¡¨, invited talk, Department of Chemistry,
¡P
¡§Life in a crowd:
macromolecular crowding and confinement effects on protein interactions in
living systems¡¨, invited talk, Department of Physics,
¡P
¡§Life in a crowd:
macromolecular crowding and confinement effects on protein interactions in
living systems¡¨, invited talk, Dana-Farber Cancer Institute and Department of
Biostatistics, Harvard University School of Public Health, MA, January 2006.
¡P
¡§Life in a crowd:
macromolecular crowding and confinement effects on protein interactions in
living systems¡¨, invited talk, Department of Physics and Astronomy,
¡P
¡§Life in a crowd:
macromolecular crowding and confinement effects on protein interactions in
living systems¡¨, invited talk, Center for Bioinformatics, Department of Molecular
Biosciences, and Department of Chemistry, University of Kansas, KS, February
2006.
¡P
¡§Life in a crowd:
macromolecular crowding and confinement effects on protein interactions in
living systems¡¨, invited talk, Department of Chemistry and Department of
Computer Science, University of California at Irvine, CA, February 2006.
¡P
¡§Life in a crowd:
macromolecular crowding and confinement effects on protein interactions in
living systems¡¨, invited talk, Department of Bioengineering,
¡P
¡§Life in a crowd:
macromolecular crowding and confinement effects on protein interactions in
living systems¡¨, invited talk, Department of Physics, University of California
at Berkeley, CA, February 2006.
¡P
¡§Life in a crowd:
macromolecular crowding and confinement effects on protein interactions in
living systems¡¨, invited talk, Department of Physics, Virginia Tech, VA,
February 2006.
¡P
¡§Life in a crowd:
macromolecular crowding and confinement effects on protein interactions in
living systems¡¨, invited talk, Department of Physics, Massachusetts Institute
of Technology, MA, February 2006.
¡P
¡§Life in a crowd: macromolecular crowding
and confinement effects on protein interactions in living systems¡¨, invited
talk, Department of Physics, George
¡P
¡§Life in a crowd:
macromolecular crowding and confinement effects on protein interactions in
living systems¡¨, invited talk, American Physical Society March Meeting,
¡P
¡§Life in a crowd:
macromolecular crowding and confinement effects on protein interactions in
living systems¡¨, invited talk, The 51st annual meeting for the
Biophysical Society, Baltimore, MD, March 2007.
¡P
¡§Life in a crowd:
macromolecular crowding and confinement effects on protein interactions in
living systems¡¨, invited talk, Keck Seminar, Rice University, Houston, TX, March
2007.
¡P
¡§Manipulating
Biopolymer Dynamics by Anistropic Nanoconfinement¡¨,
invited speaker in Nano Summit 2007: Rising Stars of
Texas, Texas A&M,
¡P
¡§Manipulating
biopolymer dynamics by anisotropic nanoconfinement¡¨,
invited talk, Department of Physics and Engineering, Monterrey Tech,
¡P
¡§Life in a crowd:
macromolecular crowding and confinement effects on protein interactions in
living systems¡¨, invited talk, Mechanical Engineering, University of Houston,
Houston, TX, November, 2007.
¡P
¡§Simulating
protein folding dynamics in crowded and porous media¡¨, invited speaker, Gordon
Research Conference on Protein Folding Dynamics,
¡P
¡§Simulating
protein folding dynamics in crowded and porous media¡¨, colloquium talk, Physics
and Physical Sciences, University of Houston at Clear Lake, Houston, TX, January 2008.
¡P
¡§Simulating
protein folding dynamics in crowded and porous media¡¨, colloquium talk,
Department of Physics, University of Houston, Houston, TX, February
2008.
¡P
¡§Simulating
protein folding dynamics in crowded and porous media¡¨, invited speaker, 16th
Texan Folders Meeting,
¡P
¡§Mesoscopic modeling of biomolecules¡¨,
TcSUH bi-weekly seminars,
¡P
¡§Protein dynamics
and conformational changes in crowded, cell-like environment¡¨, Colloquium, Department
of Chemistry,
¡P
¡§Protein dynamics
and conformational changes in crowded, cell-like environment¡¨, Biophysics
seminar, Department of Physics,
¡P
¡§HPC for soft and living matter¡¨, Supercomputing 08,
¡P
¡§Protein dynamics
and conformational changes in crowded, cell-like environment¡¨, Informal seminar,
Center for Extracellular Matrix Biology, Institute of
Biosciences and Technology, Houston, TX, January 2009.
¡P
¡§Protein dynamics
and conformational changes in crowded, cell-like environment¡¨, Colloquium, Department
of Biochemistry and Molecular Biology, University of Texas Medical Branch, Galveston,
TX, March 2009.
¡P
¡§How soft matter
becomes living matter? What matters
lies in a crowd¡¨ Tutorial Session in Opportunities in Biological
Physics,
¡P
¡§Crowded,
cell-like environment induces shape changes in aspherical
protein¡¨, Invited speaker, Focus Session,
¡P
¡§Life in a Crowd¡¨,
Colloquium, Department of Physics,
¡P
¡§Modulation of Calmodulin
Plasticity by the Effect of Macromolecular Crowding¡¨, TcSUH bi-weekly seminars,
¡P
¡§Crowded,
cell-like environment induces shape changes in aspherical
protein¡¨, Colloquium, Department of Biology and Biochemistry,