SOLUTION NMR Experimental Data


Experimental Details
Sample Conditions
Sample Contents2.0 mM 15N-labeled ChBD-ChiA1 in 10 mM KH2PO4-K2HPO4 (pH 6.0) and 10 mM deuterated dithiothreitol (DTT)
Solvent90% H2O, 10% D2O
Ionic Strength10
pH6.0
Pressureambient
Temperature (K)310
Experiment(s):3D_15N-separated_NOESY, HMQC-J
Sample Contents1.2 mM 15N-labeled ChBD-ChiA1 in 100 mM KH2PO4-K2HPO4 (pH 6.0) and 10 mM deuterated DTT
Solvent99.8% D2O
Ionic Strength100
pH6.0
Pressureambient
Temperature (K)310
Experiment(s):2D NOESY
Spectrometer Information
Manufacturer Model Field Strength
Bruker DRX 800.0
Bruker DRX 500.0
NMR Refinement
Method simulated annealing
Details The structures are based on 493 NOE-based distance, 20 hydrogen bond, and 33 dihedral angle constraints.
NMR Ensemble Information
Conformer Selection Criteria structures with the lowest energy
Conformers Calculated Total Number 100
Conformers Submitted Total Number 30
Representative Model Choice Rationale
1 closest to the average
Additional NMR Experimental Information
1 This structure was determined using a uniformly 15N-labeled ChBD-ChiA1. Stereospecific assignments of the methyl groups of the leucine and valine residues were achieved with 15% fractionally 13C-labeled ChBD-ChiA1 dissolved in 99.8% D2O.
Computation: NMR Software
# Classification Software Name Author
1 data analysis Molmol 2.3 Koradi
2 data analysis nmrPipp 4.2.4 Garrett
3 collection XWINNMR 2.0 Bruker
4 processing NMRPipe 1.7 Delaglio
5 structure solution DYANA 1.5 Guentert
6 refinement X-PLOR 3.851 Brunger