Table 3.
Structural statistics for the AsiA/EcSR4 complex
|
AsiA |
EcSR4 |
R.m.s. deviations from experimental restraintsa | ||
Intramolecular NOEs (825/448) | 0.045±0.004 Å | 0.05±0.004 Å |
Intermolecular NOEs (213) | 0.046±0.009 Å | |
φ, ψ (154/122) | 0.514±0.09° | 0.568±0.02° |
3JNHα b (−/47) | ND | 1.24±0.07 Hz |
1DNH c (53/66) | 0.84±0.04 Hz | 0.6±0.04 Hz |
1DCH c (61/49) | 1.7±0.09 Hz | 2.4±0.17 Hz |
Coordinate precision | ||
Backboned | 0.77±0.11 Å | 0.63±0.08 Å |
All non-hydrogend | 1.3±0.16 Å | 1.2±0.08 Å |
Quality factorse | ||
% Residues in the most favorable region of Ramachandran plot | 90.0% | 88.4% |
Bad contacts/structure |
0 |
0 |
aNumbers in parentheses indicate the total number of restraints for AsiA/EcSR4. No NOEs were included for atoms separated by three chemical bonds, with the exception of those involving backbone atoms. | ||
bND=not determined. | ||
cCalculated using the program XPLOR-NIH 2.91 (Schwieters and Clore, 2001). | ||
dResidues 2–71+76–84+86–89 for AsiA and residues 546–598 for EcSR4. | ||
eCalculated using the programs PROCHECK and PROCHECK_NMR (Laskowski et al, 1996) for the residues over which the coordinate precision was determined. |