SOLUTION NMR Experimental Data


Experimental Details
Sample Conditions
Sample Contents3.5 mM (in monomer) U-15N,13C, 50 mM sodium phosphate buffer, 0.02% sodium azide
Solvent90% H2O, 10% D2O
Ionic Strength50 mM sodium phosphate, 0.02% sodium azide
pH5.45
Pressure1 atm
Temperature (K)313
Experiment(s):3D_13C-separated_NOESY, 4D_13C/15N-separated_NOESY
Sample Contents2.89 mM (in monomer) U-15N, 50 mM sodium phosphate buffer, 0.02% sodium azide
Solvent90% H2O, 10% D2O
Ionic Strength50 mM sodium phosphate, 0.02% sodium azide
pH5.45
Pressure1 atm
Temperature (K)313
Experiment(s):3D_15N-separated_NOESY, HNHA
Sample Contents3.5 mM (in monomer) U-15N,13C, 50 mM sodium phosphate buffer, 0.02% sodium azide
Solvent100% D2O
Ionic Strength50 mM sodium phosphate, 0.02% sodium azide
pH5.45
Pressure1 atm
Temperature (K)313
Experiment(s):4D_13C-separated_NOESY
Sample Contents1.4 mM (in monomer) 1:1 mixture unlabelled:U-15N,13C, 50 mM sodium phosphate buffer, 0.02% sodium azide
Solvent100% D2O
Ionic Strength50 mM sodium phosphate, 0.02% sodium azide
pH5.45
Pressure1 atm
Temperature (K)313
Experiment(s):3D_12C-filtered_13C-separated_NOESY
Spectrometer Information
Manufacturer Model Field Strength
Bruker DMX 500.0
Bruker DMX 600.0
Bruker DMX 750.0
Bruker DRX 800.0
NMR Refinement
Method simulated annealing
Details NMR constraints (per monomer) 822 NOE-derived distance restraints (534 intramonomer, 288 intermonomer) 42 distance restraints from hydrogen bonds (20 intramonomer, 22 intermonomer) 30 J-coupling restraints, 33 Residual dipolar couplings (HN) 66 backbone dihedral angle restraints 31 sidechain dihedral angle restraints
NMR Ensemble Information
Conformer Selection Criteria structures with least restraint violations and phi, psi angles of residue 46 in allowed region of Ramachrandran plot
Conformers Calculated Total Number 100
Conformers Submitted Total Number 21
Representative Model Choice Rationale
1 minimized average structure
Additional NMR Experimental Information
1 T1,T2, and heteronuclear NOEs collected. Dipolar couplings (N-H) were collected as well. Dipolar coupling and chemical shifts from residues with heteronuclear NOE below 0.6 were not used.
Computation: NMR Software
# Classification Software Name Author
1 structure solution CNS 1.0 Brunger
2 refinement X-PLOR 4.0 Brunger
3 collection XWINNMR 2.6 Bruker Corp.
4 data analysis pipp 4.3.2 Dan Garrett
5 processing NMRPipe 2.2 Frank Delaglio