Table 2.

Accuracy of main chain only modeling under 1.0 Å Cα restraints

	RMSD [Å]
Target	Average Cαa	Best main chain	Average main chainb	Mean model Cαc	Mean model main chaind
1A6M	0.69 (0.02)	0.69	0.75 (0.02)	0.36	0.41
1CEM	0.69 (0.01)	0.73	0.76 (0.01)	0.32	0.39
1CRN	0.64 (0.04)	0.68	0.83 (0.07)	0.30	0.49
1CTF	0.66 (0.03)	0.64	0.76 (0.04)	0.31	0.41
1IGD	0.67 (0.03)	0.69	0.79 (0.05)	0.34	0.45
1LKS	0.68 (0.02)	0.71	0.78 (0.04)	0.30	0.41
1NIF	0.70 (0.01)	0.77	0.81 (0.02)	0.33	0.44
1PHP	0.69 (0.01)	0.73	0.77 (0.02)	0.31	0.39
1TPH	0.69 (0.01)	0.74	0.78 (0.02)	0.31	0.40
1UBQ	0.66 (0.03)	0.71	0.81 (0.04)	0.27	0.41
2ALP	0.69 (0.01)	0.78	0.84 (0.03)	0.31	0.45
2PRK	0.69 (0.01)	0.74	0.80 (0.02)	0.32	0.42
2WRP	0.68 (0.03)	0.69	0.74 (0.03)	0.35	0.41
3APP	0.69 (0.01)	0.75	0.80 (0.02)	0.32	0.42
3PTE	0.70 (0.01)	0.77	0.81 (0.02)	0.33	0.45
4ENL	0.70 (0.01)	0.76	0.81 (0.02)	0.34	0.45
4GCR	0.68 (0.02)	0.72	0.81 (0.04)	0.29	0.41
5CNA	0.70 (0.01)	0.79	0.84 (0.02)	0.34	0.49
5CPA	0.70 (0.01)	0.79	0.84 (0.02)	0.33	0.48
5NLL	0.69 (0.02)	0.76	0.82 (0.03)	0.34	0.49
6PTI	0.65 (0.04)	0.68	0.78 (0.05)	0.31	0.44
7PCY	0.68 (0.02)	0.74	0.84 (0.05)	0.33	0.47
7RSA	0.68 (0.02)	0.77	0.85 (0.04)	0.31	0.51
8ABP	0.70 (0.01)	0.77	0.80 (0.02)	0.34	0.47
8TLN	0.69 (0.01)	0.73	0.79 (0.02)	0.32	0.41
Average	0.68 (0.02)	0.73 (0.04)	0.80 (0.03)	0.32 (0.02)	0.44 (0.04)

^a Ensemble average Cα RMSD.

^b Ensemble average main chain RMSD.

^c Cα RMSD of the unregularized mean model derived from the ensemble.

^d Main chain RMSD of the unregularized mean model derived from the ensemble.