Corrections and Clarifications

Corrections and Clarifications

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Science  30 Jul 1993:
Vol. 261, Issue 5121, pp. 535
DOI: 10.1126/science.261.5121.535

Abstract

In the report "Secondary and tertiary structural effects on protein NMR chemical shifts: An ab initio approach" by Angel C. de Dios et al. (4 June, p. 1491), the abscissas of figure 1, B and D, on page 1492 were inadvertently transposed during production. Figure 1B's abscissa should have read, "Cutoff radius (Å)," and figure 1D's abscissa should have read, "Experiment (ppm)."