Ad Astra Awards
Ad Astra Journal
Science library
White book
University rankings
Who's who
Theses and dissertations
Ad Astra association
Press releases
Funding opportunities
>> Românã

Gabriel Cornilescu

University of Wisconsin - Madison, Madison, WI, USA

Institution web page:
Personal web page:
Send email

Born: 1969

Interests: Structural Biology, Protein and DNA Structure Determination using Nuclear Magnetic Resonance, NMR Techniques Development


Jan. 2010 - present: Associate Researcher, University of Wisconsin, Nuclear Magnetic Resonance Facility at Madison (NMRFAM)

August 2002 - Jan. 2010: Academic Research Assistant, University of Wisconsin, Nuclear Magnetic Resonance Facility at Madison (NMRFAM)

Oct. 2003 - Feb. 2004: Group Leader - NMR Section of the Center for Eukaryotic Structural Genomics (CESG)

Oct. 2000 - July 2002: Pharmacology Research Associate Training (PRAT) Fellow, Laboratory of Chemical-Physics, Biomolecular NMR Section, NIDDK, National Institutes of Health, Bethesda, MD

Feb. 1997 - Aug. 2000: Ph.D. Fellow, Laboratory of Chemical-Physics, Biomolecular NMR Section, NIDDK, National Institutes of Health, Bethesda, MD

Aug. 1995 - Jan.1997: Teaching Assistant, NMR Facility, Chemistry and Biochemistry Department, University of Maryland College Park

Jun. 1993 - Aug. 1995: Research Assistant, NMR Laboratory, C. D. Nenitescu Institute for Organic Chemistry, Romanian Academy, Bucharest, Romania


Sep. 1995 - Aug. 2000: University of Maryland College Park, Chemical Physics Program
Degree: Ph.D. (Aug. 2000)

Sep. 1988 - Jun. 1993: University of Bucharest, Physics Dept., Atomic and Molecular Physics
Degree: M.S. (Jan. 1994)


Oct. 2000: Pharmaceutical Research Associate Training Fellowship, NIH.

Feb. 1997 - Jul. 2000: National Institutes of Health Predoctoral Intramural Research Training Fellowship Award

Jul. 1999: European Science Foundation Conference Grant, NMR in Molecular Biology, Granada, Spain

Aug. 1995 - Jan 1997: Tuition Remission at University of Maryland College Park


Systems: UNIX (SGI, Sun), Linux
Programming: Tcl/Tk, C
Applications: NmrPipe, Xplor-NIH, CYANA, PIPP, Pymol, Molmol, Xfit, XMGRACE


English, French, Romanian


- Determination of the NMR structures of a phytochrome chromophore-binding domain in both ground and light excited states (collaboration with R. Vierstra's group)

- New fast NMR methods: "HIFI-C" (NMR reduced dimensionality method applied to scalar and dipolar coupling measurements)

- Measurement of protein backbone chemical shifts and RDCs in six different alignment media for site specific CSA tensor determination (collaboration with Ad Bax), other collaboration projects

- Measurement of RDCs and refining an RNA structure with RDCs (collaboration with S. Butcher's group)

- Structure elucidation of a homodimeric protein and other structural proteomics targets from Arabidopsis thaliana

- NMR structural study (including protein expression and purification) of a protein-protein complex

Detail: The complex between the A domain of the mannitol specific enzyme II (IIAmtl) and the histidine-containing phosphocarrier protein (HPr) of the bacterial PTS system.

- Hydrogen Bonds Through Scalar Coupling

Detail: Identification of the hydrogen bonding network in a protein by measurement of the weak (0.15-0.8 Hz) scalar couplings. Correlation with the hydrogen bond lengths (calculated from the X-ray structure).

- Protein backbone CSA (Chemical Shift Anisotropy) tensors

Detail: Measurement of backbone amide 1H, 15N and carbonyl 13C CSA tensor components and orientation using weakly aligned proteins in a liquid crystalline medium.

- TALOS (Torsion Angles Likeness Optimized by Shifts)

Detail: TALOS: A database based program for predicting protein backbone dihedral angles using NMR chemical shifts and residue homology. (the corresponding paper was cited more than 1200 times as of June 2008)

- Correlation betweeen one-bond Ca-Cb scalar couplings and protein backbone conformation

ResearcherID: H-3113-2011

Selected publications:
• Cornilescu, G., Ulijasz A. T., Cornilescu, C. C., Zhang, J., Rivera, M., Markley, J. L., Vierstra, R. D. . Structural basis for the photoconversion of a phytochrome to the activated Pfr form. Nature, 463, pp. 250-254, 2010.
• Gabriel Cornilescu, Andrew T. Ulijasz, Claudia C. Cornilescu, John L. Markley, and Richard D. Vierstra. SOLUTION STRUCTURE OF A CYANOBACTERIAL PHYTOCHROME GAF DOMAIN IN THE RED LIGHT-ABSORBING GROUND STATE. J Mol Biol. , 383(2), pp. 403-413, 2008.
• Cornilescu, G., Bahrami, A., Tonelli, M., Markley, J. L. , Eghbalnia, H. R., . " HIFI-C: a robust and fast method for determining NMR couplings from adaptive 3D to 2D projections. J. Biomol. NMR, 38, pp. 341-351, 2007.
• Sashital, D. G., Cornilescu, G., and Butcher, S. E., . " U2-U6 RNA folding reveals a group II intron-like domain and a four-helix junction" . Nature Struct. Mol. Biol. , 11(12), pp. 1237-1242, 2004.
• Cornilescu, G., Cornilescu, C. C., Zhao, Q., Frederick, R. O., Peterson, F. C., Thao, S., Markley, J. L., . Letter to the Editor: Solution structure of a homodimeric hypothetical protein, At5g22580, a structural genomics target from Arabidopsis thaliana. J. Biomol. NMR, 29, pp. 387-390, 2004.
• Cornilescu, G., Lee, B. R., Cornilescu, C. C., Wang, G., Peterkofsky, A., Clore, G. M. . " Solution structure of the phosphoryl transfer complex between the cytoplasmic A domain of the mannitol transporter II mannitol and HPr of the Escherichia coli phosphotransferase system" . J. Biol. Chem. , 277, pp. 42289-4229, 2002.
• Cornilescu, G., Bax, A. . " Measurement of Proton, Nitrogen, and Carbonyl Chemical Shielding Anisotropies in a Protein Dissolved in a Dilute Liquid Crystalline Phase" . J. Am. Chem. Soc. , 122, pp. 10143-1015, 2000.
• Cornilescu, G., Bax, A., Case, D. A. . " Large variations in one-bond (13)C(alpha)-(13)C(beta) J couplings in polypeptides correlate with backbone conformation" . J. Am. Chem. Soc. , 122, pp. 2168-2171, 2000.
• Cornilescu, G., Ramirez, B. E., Frank, M. K., Clore, G. M., Gronenborn, A. M., Bax, A. . " Correlation between 3hJNC' and hydrogen bond length in proteins" . J. Am. Chem. Soc. , 121, pp. 6275-6279, 1999.
• Cornilescu, G., Hu, J. -S., Bax, A. . " Identification of the hydrogen bonding network in a protein by scalar couplings" . J. Am. Chem. Soc. , 121, pp. 2949-2950, 1999.
• Cornilescu, G., Delaglio, F., Bax, A. . " Protein backbone angle restraints from searching a database for chemical shift and sequence homology" . J. Biomol. NMR, 13, pp. 289-302, 1999.
• Cornilescu, G., Marquardt, J. L., Ottiger, M., Bax, A., . " Validation of Protein Structure from Anisotropic Carbonyl Chemical Shifts in a Dilute Liquid Crystalline Phase" . J. Am. Chem. Soc. , 120, pp. 6836-6837, 1998.

Theses and dissertations:
• Gabriel Cornilescu. Relationships between NMR parameters and protein structure: Evaluation of isotropic chemical shifts, chemical shift anisotropy tensors, and scalar coupling through covalent and hydrogen bonds. 2000.


© Ad Astra 2001-2013