STRUCTURE OF THE MERCURY-BOUND 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. | X-PLOR |
NMR Ensemble Information | |
---|---|
Conformer Selection Criteria | LOWEST ENERGY |
Conformers Calculated Total Number | 80 |
Conformers Submitted Total Number | 20 |
Computation: NMR Software | ||||
---|---|---|---|---|
# | Classification | Version | Software Name | Author |
1 | refinement | X-PLOR | 3.1 | BRUNGER |
2 | structure solution | X-PLOR |