1E9T
High resolution solution structure of human intestinal trefoil factor
SOLUTION NMR
NMR Experiment | ||||||||
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Experiment | Type | Sample Contents | Solvent | Ionic Strength | pH | Pressure | Temperature (K) | Spectrometer |
1 | NOESY | 25 MM POTASSIUM PHOSPHATE AND 100 MM POTASSIUM CHLORIDE | 6.0 | 1 atm | 308 | |||
2 | ROESY | 25 MM POTASSIUM PHOSPHATE AND 100 MM POTASSIUM CHLORIDE | 6.0 | 1 atm | 308 | |||
3 | TOCSY AND DQF-COSY | 25 MM POTASSIUM PHOSPHATE AND 100 MM POTASSIUM CHLORIDE | 6.0 | 1 atm | 308 |
NMR Spectrometer Information | |||
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Spectrometer | Manufacturer | Model | Field Strength |
1 | Varian | UNITY | 500 |
2 | Varian | UNITYPLUS | 500 |
NMR Refinement | ||
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Method | Details | Software |
SIMULATED ANNEALING COMBINED WITH TORSION ANGLE DYNAMICS | AFTER THE FINAL DYANA CALCULATIONS, 85 SATISFACTORILY CONVERGED HITF STRUCTURES WERE OBTAINED FROM 100 RANDOM STARTING CONFORMATIONS. THE CONVERGED STRUCTURES CONTAIN NO DISTANCE CONSTRAINT OR VAN DER WAALS VIOLATIONS GREATER THAN 0.5 A AND NO DIHEDRAL ANGLE VIOLATIONS GREATER THAN 5 DEGREES, WITH AN AVERAGE VALUE FOR THE DYANA TARGET FUNCTION OF 4.33. | DYANA |
NMR Ensemble Information | |
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Conformer Selection Criteria | CONSISTENCY WITH THE NMR STRUCTURAL DATA |
Conformers Calculated Total Number | 100 |
Conformers Submitted Total Number | 85 |
Representative Model | 1 (n/a) |
Additional NMR Experimental Information | |
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Details | THE STRUCTURE WAS DETERMINED FROM 2D 1H NMR DATA ACQUIRED FROM SAMPLES OF HITF |
Computation: NMR Software | ||||
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# | Classification | Version | Software Name | Author |
1 | refinement | DYANA | GUNTERT,WUTHRICH | |
2 | structure solution | XEASY | ||
3 | structure solution | DYANA |