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The solution structure of a domain from the Neisseria meningitidis PilP pilot protein.
SOLUTION NMR
NMR Experiment
Experiment
Type
Sample Contents
Solvent
Ionic Strength
pH
Pressure
Temperature (K)
Spectrometer
1
15N-EDITED NOESY-HSQC
95% WATER/5% D2O, 20MM PHOSPHATE BUFFER, 1MM EDTA
20 mM
6.1
1.0 atm
303.0
2
13C- EDITED NOESY-HSQC
95% WATER/5% D2O, 20MM PHOSPHATE BUFFER, 1MM EDTA
20 mM
6.1
1.0 atm
303.0
3
HOMONUCLEAR 2D NOESY
95% WATER/5% D2O, 20MM PHOSPHATE BUFFER, 1MM EDTA
20 mM
6.1
1.0 atm
303.0
NMR Spectrometer Information
Spectrometer
Manufacturer
Model
Field Strength
1
Bruker
DRX
600
NMR Refinement
Method
Details
Software
CYANA2.1
REFINEMENT DETAILS CAN BE FOUND IN THE JRNL CITATION ABOVE. THE STRUCTURE OF PILP FRAGMENT 69-181 IS PRESENTED. THE LONGER PROTEIN CONSTRUCT (RESIDUES 20-181) HAS BEEN STUDIED BY NMR WHICH REVEALED THAT N-TERMINAL PART OF POLYPEPTIDE CHAIN IS FLEXIBLE AND UNFOLDED.
CYANA
NMR Ensemble Information
Conformer Selection Criteria
LOWEST TARGET FUNCTION
Conformers Calculated Total Number
100
Conformers Submitted Total Number
20
Representative Model
1 (n/a)
Additional NMR Experimental Information
Details
THE STRUCTURE WAS DETERMINED USING 3D AND HOMONUCLEAR 2D NMR SPECTROSCOPY ON (13C,15N), (15N)- LABELED AND UNLABELLED PILP.