Two-Dimensional NMR Studies of Staphylococcal Nuclease: Evidence for Conformational Heterogeneity from Hydrogen-1, Carbon-13, and Nitrogen-15 Spin System Assignments of the Aromatic Amino Acids in the Nuclease H124L-Thymidine 3',5'-Bisphosp - Wang, Jinfeng; Hinck, Andrew P.; Loh, Stewart N.; Markley, John L. (Biological Magnetic Resonance Bank, 1995)