Table 1.

Characterization of the 20 NMR structures of the p56 dimer retained for structural analysis

NMR distance constraints
Total distance constraints	1380
Intraresidue	216
Sequential	268
Medium and long range	896
Intra-monomer	1260
Inter-monomer	120
RMSD (residues 8–55, 20 structures)
AMBER backbone RMSD (dimer)	1.17 ± 0.24
AMBER heavy atom RMSD (dimer)	1.88 ± 0.21
AMBER backbone RMSD (monomer)	1.02 ± 0.28
AMBER heavy atom RMSD (monomer)	1.77 ± 0.26
RMSD (residues 8–17, 23–43, 46–55, 20 structures)
AMBER backbone RMSD (dimer)	0.82 ± 0.13
AMBER heavy atom RMSD (dimer)	1.60 ± 0.14
AMBER backbone RMSD (monomer)	0.76 ± 0.15
AMBER heavy atom RMSD (monomer)	1.54 ± 0.20
Distance constraints violations (>0.2 Å)
Sum of violations	1.41 (1.11–1.69)
Maximum violation	0.17 (0.14–0.21)
AMBER energies (kcal/mol)
Restraint AMBER energy	7.5 (5.4–9.2)
Total AMBER energy	−1476 (−1255 to −1764)

RMSD values and violations are given in angstroms.