SOLUTION NMR Experimental Data


Experimental Details
Sample Conditions
Sample Contents3.5-5 mM Nuclease-H124L U-50% 2H; 300 mM KCl; D2O
SolventD2O
Ionic Strength300 nM KCl
pH5.5
Pressureambient
Temperature (K)318
Experiment(s):E-COSY, and others, 2D NOESY
Sample Contents3.5-5 mM Nuclease-H124L U-95% 15N; 300 mM KCl; H2O
SolventH2O
Ionic Strength300 nM KCl
pH5.1
Pressureambient
Temperature (K)318
Experiment(s):MHQC-J, 3D 1H-15N NOESY-HMQC, 3D HMQC-NOESY-HMQC
Sample Contents3.5-5 mM Nuclease-H124L; 300 mM KCl; D2O
SolventD2O
Ionic Strength300 nM KCl
pH5.5
Pressureambient
Temperature (K)318
Experiment(s):DQF-COSY
Sample Contents3.5-5 mM Nuclease-H124L U-50% 2H; 300 mM KCl; H2O
SolventH2O
Ionic Strength300 nM KCl
pH5.1
Pressureambient
Temperature (K)318
Experiment(s):2D NOESY
Sample Contents3.5-5 mM Nuclease-H124L U-98% 13C; 300 mM KCl; H2O
SolventH2O
Ionic Strength300 nM KCl
pH5.1
Pressureambient
Temperature (K)318
Experiment(s):2D 1H-13C HMQC
Sample Contents3.5-5 mM Nuclease-H124L U-98% 13C U-99% 15N; 300 mM KCl; H2O
SolventH2O
Ionic Strength300 nM KCl
pH5.1
Pressureambient
Temperature (K)318
Experiment(s):HNCO
Spectrometer Information
Manufacturer Model Field Strength
n/a AM 600.0
Bruker AM 500.0
NMR Refinement
Method Distance, hydrogen bond and torsion angle constraints
Details 2261 constraints were used to calculate the structure. CA2+ is bound, but coordinates for the calcium are not provided.
NMR Ensemble Information
Conformer Selection Criteria structures with acceptable covalent geometry,structures with the least restraint violations
Conformers Calculated Total Number 90
Conformers Submitted Total Number 30
Computation: NMR Software
# Classification Software Name Author
1 refinement X-PLOR 3.1 Brunger
2 structure solution HBPLUS McDonald and Thornton
3 structure solution INSIGHTII 2.3 Biosym Technologies Inc
4 structure solution X-PLOR 3.1 Brunger
5 processing FELIX Biosym Technologies Inc