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STRUCTURE OF THE REDUCED FORM OF MERP, THE PERIPLASMIC PROTEIN FROM THE BACTERIAL MERCURY DETOXIFICATION SYSTEM, NMR, 20 STRUCTURES
SOLUTION NMR
NMR Experiment
Experiment
Type
Sample Contents
Solvent
Ionic Strength
pH
Pressure
Temperature (K)
Spectrometer
1
HMQC-NOESY
6.5
300
2
HMQC-TOCSY
6.5
300
3
HNCA
6.5
300
4
HNCOCA
6.5
300
5
CBCACONH
6.5
300
NMR Spectrometer Information
Spectrometer
Manufacturer
Model
Field Strength
1
Bruker
DMX500
500
2
Bruker
DMX600
600
3
Bruker
DMX750
750
NMR Refinement
Method
Details
Software
DISTANCE GEOMETRY SIMULATED ANNEALING
REFINEMENT DETAILS CAN BE FOUND IN THE JRNL CITATION ABOVE. IN SUMMARY, INITIAL CALCULATIONS WERE STARTED FROM A LINEAR POLYPEPTIDE TEMPLATE WITH RANDOM BACKBONE ANGLES. AN ITERATIVE REFINEMENT WAS EMPLOYED USING ADDITIONAL RESTRAINTS AS THE QUALITY OF THE STRUCTURES IMPROVED AND AMBIGUITIES IN THE DATA WERE RESOLVED.