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Solution structure of the N-terminal domain of the Shigella type III secretion protein MxiG
SOLUTION NMR
NMR Experiment
Experiment
Type
Sample Contents
Solvent
Ionic Strength
pH
Pressure
Temperature (K)
Spectrometer
1
HN(CO)CA
25MM NAPI, 1MM DTT, 5% D2O
6.8
298.0
2
CBCA(CO)NH
25MM NAPI, 1MM DTT, 5% D2O
6.8
298.0
3
CBCANH
25MM NAPI, 1MM DTT, 5% D2O
6.8
298.0
4
HNCO
25MM NAPI, 1MM DTT, 5% D2O
6.8
298.0
5
CC(CO)NH
25MM NAPI, 1MM DTT, 5% D2O
6.8
298.0
6
H(CCCO)NH
25MM NAPI, 1MM DTT, 5% D2O
6.8
298.0
7
15N-NOESY-HSQC
25MM NAPI, 1MM DTT, 5% D2O
6.8
298.0
8
13C-NOESY
25MM NAPI, 1MM DTT, 5% D2O
6.8
298.0
9
CLEANEX-PM
25MM NAPI, 1MM DTT, 5% D2O
6.8
298.0
10
LONG-RANGE HNCO
25MM NAPI, 1MM DTT, 5% D2O
6.8
298.0
11
HNHA
25MM NAPI, 1MM DTT, 5% D2O
6.8
298.0
NMR Spectrometer Information
Spectrometer
Manufacturer
Model
Field Strength
1
Bruker
AVANCE
500
NMR Refinement
Method
Details
Software
simulated annealing
REFINEMENT DETAILS CAN BE FOUND IN THE JRNL CITATION ABOVE
DYANA
NMR Ensemble Information
Conformer Selection Criteria
LOWEST TARGET FUNCTION
Conformers Calculated Total Number
350
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 AND 15N LABELED MXIG N-TERMINAL DOMAIN. NOESY EXPERIMENTS PROVIDED THE INPUT DISTANCE RESTRAINTS, WHILST A LONG-RANGE HNCO EXPERIMENT INDICATED HYDROGEN BONDS. DIHEDRAL ANGLE RESTRAINTS WERE CALCULATED FROM A HNHA EXPERIMENT AND PREDICTED BY TALOSPLUS