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Tryptophan repressor with L75F mutation in its apo form (no L- tryptophan bound)
SOLUTION NMR
NMR Experiment
Experiment
Type
Sample Contents
Solvent
Ionic Strength
pH
Pressure
Temperature (K)
Spectrometer
1
1H-15N HSQC
500 MM NACL, 50 MM NAH2PO4, AND 90% H2O/10% D2O PH 5.7
5.7
318.0
2
HNCACB
500 MM NACL, 50 MM NAH2PO4, AND 90% H2O/10% D2O PH 5.7
5.7
318.0
3
CBCA(CO) NH
500 MM NACL, 50 MM NAH2PO4, AND 90% H2O/10% D2O PH 5.7
5.7
318.0
4
C(CO)NH
500 MM NACL, 50 MM NAH2PO4, AND 90% H2O/10% D2O PH 5.7
5.7
318.0
5
HBHA(CO)NH
500 MM NACL, 50 MM NAH2PO4, AND 90% H2O/10% D2O PH 5.7
5.7
318.0
6
HC(CO)NH
500 MM NACL, 50 MM NAH2PO4, AND 90% H2O/10% D2O PH 5.7
5.7
318.0
7
1H NOESY
500 MM NACL, 50 MM NAH2PO4, AND 90% H2O/10% D2O PH 5.7
5.7
318.0
NMR Spectrometer Information
Spectrometer
Manufacturer
Model
Field Strength
1
Bruker
DMX
600
NMR Refinement
Method
Details
Software
CNS-XPLOR
REFINEMENT DETAILS CAN BE FOUND IN THE JRNL CITATION ABOVE. THE 20 MODELS IN THE DEPOSITED CO-ORDINATE FILE HAVE SUPERIMPOSED C-ALPHA TRACES OF ONLY THE SECONDARY STRUCTURE FORMING RESIDUES. THIS IS BECAUSE IT IS MORE INFORMATIVE TO ALIGN ONLY THE STABLE SEGMENTS THAN COMPLETE BACKBONES OF APO-L75F-TRPR PROTEIN DUE TO ITS FLEXIBLE NATURE.
CNS
NMR Ensemble Information
Conformer Selection Criteria
LEAST RESTRAINT VIOLATION
Conformers Calculated Total Number
40
Conformers Submitted Total Number
20
Representative Model
1 (n/a)
Additional NMR Experimental Information
Details
THE STRUCTURE WAS DETERMINED USING TRIPLE-RESONANCE NMR SPECTROSCOPY ON 13C, 15N-LABELED APO-L75F-TRPR