SOLUTION NMR Experimental Data


Experimental Details
Sample Conditions
Sample ContentsU-15N; 1.1-1.5mM NtrC receiver domain(1-124); 50mM sodium phosphate buffer(pH6.75); 50mM NaCl; 4.4mM BeCl2, 7.2mM MgCl2, 29mM NaF; 95% H2O, 5% D2O
Solvent95% H2O, 5% D2O
Ionic Strength50mM NaCl, 4.4mM BeCl2, 7.2mM MgCl2, 29mM NaF
pH6.75
Pressureambient
Temperature (K)303
Experiment(s):3D_15N-separated_NOESY
Sample ContentsU-15N, 13C;1.1-1.5mM NtrC receiver domain(1-124); 50mM sodium phosphate buffer(pH6.75); 50mM NaCl; 4.4mM BeCl2, 7.2mM MgCl2, 29mM NaF; 95% H2O, 5% D2O
Solvent95% H2O, 5% D2O
Ionic Strength50mM NaCl, 4.4mM BeCl2, 7.2mM MgCl2, 29mM NaF
pH6.75
Pressureambient
Temperature (K)303
Experiment(s):4D_13C/15N-separated_NOESY, 4D_13C-separated_NOESY, 3D_13C-separated_NOESY, HNCA-J, CBCA(CO)NH, HNHA
Sample Contents10% 13C;1.1-1.5mM NtrC receiver domain(1-124); 50mM sodium phosphate buffer(pH6.75); 50mM NaCl; 4.4mM BeCl2, 7.2mM MgCl2, 29mM NaF; 95% H2O, 5% D2O
Solvent95% H2O, 5% D2O
Ionic Strength50mM NaCl, 4.4mM BeCl2, 7.2mM MgCl2, 29mM NaF
pH6.75
Pressureambient
Temperature (K)303
Experiment(s):13C,1H-HSQC
Sample ContentsU-15N; 1.1-1.5mM NtrC receiver domain(1-124); 50mM sodium phosphate buffer(pH6.75); 50mM NaCl; 4.4mM BeCl2, 7.2mM MgCl2, 29mM NaF; 95% H2O, 5% D2O; 30mg/ml phage pf1
Solvent95% H2O, 5% D2O
Ionic Strength50mM NaCl, 4.4mM BeCl2, 7.2mM MgCl2, 29mM NaF
pH6.75
Pressureambient
Temperature (K)303
Experiment(s):IPAP-HSQC
Spectrometer Information
Manufacturer Model Field Strength
Bruker DRX 500.0
Bruker AMX 600.0
NMR Refinement
Method distance geometry, torsion angle dynamics, simulated annealing, ENERGY MINIMIZATION
Details 3 additional constraints from crystal structure of BeF3-activated CheY were used for structure calculation.
NMR Ensemble Information
Conformers Submitted Total Number 1
Representative Model Choice Rationale
1 minimized average structure
Additional NMR Experimental Information
1 MINIMIZED AVERAGE STRUCTURE OF BERYLLOFLUORIDE-ACTIVATED NTRC RECEIVER DOMAIN: MODEL STRUCTURE INCORPORATING ACTIVE 3 SITE CONTACTS.
Computation: NMR Software
# Classification Software Name Author
1 refinement MOLMOL n/a
2 refinement CNS 1.0 Brunger et. al.
3 data analysis NMRVIEW Johnson
4 processing FELIX n/a
5 structure solution CNS 1.0 Brunger
6 structure solution DYANA 1.5 Guntert