Table 1.

Statistics for the 20 NMR-derived conformers that represent the solution structure of HsSen15(36–157)

Experimental constraints (per monomer)
Distance constraints
Long (intramolecuar)	431
Long (intermolecular)	55
Medium [1<(i–j)≤5]	401
Sequential [2 (i–j)=1]	519
Intraresidue [i=j]	852
Dihedral angle constraints (ϕ and Ψ)	163
Hydrogen bonds	46
DNH residual dipolar couplings	94
Target function ( Å2)	2.68 ± 0.49
Average atomic R.M.S.D. to the mean structure (Å)
Dimer (residues 10–122 of the construct)
Backbone ( Cα, C′, N, O)	1.09 ± 0.19
Heavy atoms	1.45 ± 0.15
Monomer I (residues 10–122 of the construct)
Backbone ( Cα, C′, N, O)	0.78 ± 0.12
Heavy atoms	1.21 ± 0.10
Monomer II (residues 10–122 of the construct)
Backbone ( Cα, C′, N, O)	0.82 ± 0.12
Heavy atoms	1.25 ± 0.10
Deviations from idealized covalent geometry
Bond (Å)	0.018 ± 0.001
Angles (°)	1.901 ± 0.089
Impropers (°)	1.744 ± 0.091
R.M.S.D. from experimental distance constraints (Å)	0.019 ± 0.003
R.M.S.D. from experimental dihedral constraints (Å)	0.468 ± 0.064
Ramachandran statistics (% of all residues)
Most favored	84.23 ± 1.63
Additionally allowed	12.72 ± 1.61
Generously allowed	2.47 ± 0.90
Disallowed	0.58 ± 0.47