Table 3.

Comparison of NMR (2K07) and X-ray (3E2G and 2Z6P^d) Ufcl structures (r.m.s.d. values in [Å])

Atoms selected for r.m.s.d. calculationa	2K07 vs 3EVX	2K07 vs 2Z6Pd	3EVX vs 2Z6Pd
Backbone heavy atoms N, Cα, C’ of regular secondary structure elementsb	1.13	1.12	1.09
All heavy atoms of regular secondary structure elements	1.86	1.65	1.77
Backbone heavy atoms of regular secondary structure elementsb except for α1	0.90	0.76	0.56
All heavy atoms of regular secondary structure elements except for αl	1.63	1.43	1.38
Backbone heavy atoms N, Cα, C’ of residues 5-159	1.29	1.25	0.91
All heavy atoms of residues 5-159	1.89	1.78	1.61
All heavy atoms of best-defined side chainsc	1.09	1.03	0.83

^aPair-wise r.m.s.d. values calculated between the mean NMR coordinates and the X-ray structures.

^bResidues are given in Table 1.

^cResidues are given in Table 1.

^dStudy of Mizushima et al. [28].