Abstract
AbstractThe assignments of several 1H lines in the spectrum of the lac repressor DNA‐binding domain (or “headpiece”) are documented. These new assignments complement those obtained in a previous study [E.R.P. Zuiderweg, R. Kaptein, and K. Wüthrich (1983) Eur. J. Biochem. 137, 279] and were made from pure absorption phase two‐dimensional nuclear Overhauser enhancement (2D NOE) spectra and 1H 2D double‐quantum spectra of this protein. Based on the complete set of resonance assignments, a large number of interresidue NOEs are identified; these are documented and their relation with distance constraints is discussed. The identification of these NOEs is a prerequiste for the determination of the spatial structure of this protein, for which no crystallographic data are available.
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