Electron Spin-Nuclear Spin Cross-Correlation Effects on Multiplet Splittings in Paramagnetic Proteins

Journal of Magnetic Resonance

Volumn 128, Issue 2, 1997, Pages 138-143

  Ghose, Ranajeet ^a   Prestegard, James H ^a  

^a YALE UNIVERSITY   (United States)

Author keywords

Cross correlation; Curie spin relaxation; Dipolar coupling; Dynamic frequency shift; Paramagnetic relaxation

Indexed keywords

PROTEIN;

ARTICLE; CHEMISTRY; ELECTRON SPIN RESONANCE; HUMAN;

ELECTRON SPIN RESONANCE SPECTROSCOPY; HUMANS; PROTEINS;

EID: 0031254235     PISSN: 10907807     EISSN: None     Source Type: Journal    
DOI: 10.1006/jmre.1997.1227     Document Type: Article

References (19)

1. J. R. Tolman, J. M. Flanagan, M. A. Kennedy, and J. H. Prestegard, Nuclear magnetic dipole interactions in field-oriented proteins: Information for structure determination in solution, Proc. Natl. Acad. Sci. USA 92, 9279-9283 (1995).
2. 15N-enriched human ubiquitin resulting from relaxation interference and residual dipolar coupling, J. Am. Chem. Soc. 118, 6264-6272 (1996);
3. CH splittings from magnetic-field dependence of J modulation in two-dimensional NMR spectra, J. Magn. Reson. 124, 512-515 (1997).
4. S. D. Emerson and G. N. La Mar, NMR determination of the orientation of the magnetic susceptibility tensor in cyanometmyoglobin: A new probe of steric tilt of bound ligand, Biochemistry 29, 1556-1566 (1990).
5. 1H couplings in proteins, J. Magn. Reson. 6112, 245-252 (1996).
6. 1H one-bond couplings in proteins using accordion heteronuclear-shift-correlation experiments, J. Magn. Reson. B 112, 269-274 (1996).
7. G. S. Harbison, Interference between J-couplings and cross-relaxation in solution NMR spectroscopy: Consequences for macromolecular structure determination, J. Am. Chem. Soc. 115, 3026-3027 (1993).
8. L. Banci, I. Bertini, and C. Luchinat, "Nuclear and Electron Relaxation," VCH, Weinheim (1991).
9. (a) R. E. London, D. M. LeMaster, and L. G. Werbelow, Unusual NMR multiplet structures of spin-1/2 nuclei coupled to spin-1 nuclei, J. Am. Chem. Soc. 116, 8400 (1994);
10. 2H-labeled compounds, J. Am. Chem. Soc. 116, 10196-10201 (1994).
11. I. Bertini, C. Luchinat, and D. Tarchi, Are true scalar proton-proton couplings ever measured in COSY spectra of paramagnetic molecules? Chem. Phys. Lett. 203, 445-449 (1993).
12. J. Qin, F. Delaglio, G. La Mar, and A. Bax, Distinguishing the effects of cross-correlation and J coupling in COSY spectra of paramagnetic proteins, J. Magn. Reson. B 102, 332-336 (1993).
13. R. R. Ernst, G. Bodenhausen, and A. Wokaun, "Principles of Nuclear Magnetic Resonance in One and Two Dimensions," Oxford Univ. Press, Oxford (1990).
14. R. Brüschweiler, Three-spin interaction in liquid state nuclear magnetic resonance, J. Chem. Phys. 105, 6164-6167 (1996).
15. (a) T. E. Bull, Cross-correlation and 2D NOE spectra, J. Magn. Reson. 72, 397-413 (1987);
16. (b)T. E. Bull, Relaxation in the rotating frame in liquids, Prog. NMR Spectrosc. 24, 377-410 (1992).
17. M. Goldman, Interference effects in the relaxation of a pair of unlike spin-1/2 nuclei, J. Magn. Reson. 60, 437-452 (1984).
18. 2 values in proteins, J. Magn. Reson. 97, 359-375 (1992).
19. R. BrÜschweiler, Cross-correlation-induced J coupling, Chem. Phys. Lett. 257, 119-122 (1996).