1FM1
SOLUTION STRUCTURE OF THE CATALYTIC FRAGMENT OF HUMAN COLLAGENASE-3 (MMP-13) COMPLEXED WITH A HYDROXAMIC ACID INHIBITOR
SOLUTION NMR
NMR Experiment | ||||||||
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Experiment | Type | Sample Contents | Solvent | Ionic Strength | pH | Pressure | Temperature (K) | Spectrometer |
1 | 3D_13C-separated_NOESY | 1 mM of U-15N,13C MMP-13 in an equimolar complex with WAY-151693 in a buffer containing 10 mM deuterated Tris-Base, 100 mM NaCl, 5 mM CaCl2, 0.1 mM ZnCl2, 2 mM NaN3, 10 mM deuterated DTT, in 100% D2O at pH 6.5 and 35C | 100% D2O | 10 mM deuterated Tris-Base, 100 mM NaCl, 5 mM CaCl2, 0.1 mM ZnCl2, 2 mM NaN3, 10 mM deuterated DTT | 6.5 | ambient | 308 | |
2 | 3D_15N-separated_NOESY | 1 mM of U-15N MMP-13 in an equimolar complex with WAY-151693 in a buffer containing 10 mM deuterated Tris-Base, 100 mM NaCl, 5 mM CaCl2, 0.1 mM ZnCl2, 2 mM NaN3, 10 mM deuterated DTT, in 90% H2O, 10% D2O at pH 6.5 and 35C | 90% H2O/10% D2O | 10 mM deuterated Tris-Base, 100 mM NaCl, 5 mM CaCl2, 0.1 mM ZnCl2, 2 mM NaN3, 10 mM deuterated DTT | 6.5 | ambient | 308 | |
3 | HNHA | 1 mM of U-15N,13C MMP-13 in an equimolar complex with WAY-151693 in a buffer containing 10 mM deuterated Tris-Base, 100 mM NaCl, 5 mM CaCl2, 0.1 mM ZnCl2, 2 mM NaN3, 10 mM deuterated DTT, in 90% H2O, 10% D2O at pH 6.5 and 35C | 90% H2O/10% D2O | 10 mM deuterated Tris-Base, 100 mM NaCl, 5 mM CaCl2, 0.1 mM ZnCl2, 2 mM NaN3, 10 mM deuterated DTT | 6.5 | ambient | 308 | |
4 | 3D_C13-edited/filtered-NOESY | 1 mM of U-15N,13C MMP-13 in an equimolar complex with WAY-151693 in a buffer containing 10 mM deuterated Tris-Base, 100 mM NaCl, 5 mM CaCl2, 0.1 mM ZnCl2, 2 mM NaN3, 10 mM deuterated DTT, in 100% D2O at pH 6.5 and 35C | 100% D2O | 10 mM deuterated Tris-Base, 100 mM NaCl, 5 mM CaCl2, 0.1 mM ZnCl2, 2 mM NaN3, 10 mM deuterated DTT | 6.5 | ambient | 308 |
NMR Spectrometer Information | |||
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Spectrometer | Manufacturer | Model | Field Strength |
1 | Bruker | AMX-2 | 600 |
NMR Refinement | ||
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Method | Details | Software |
distance geometry simulated annealing | structures calculated were based on 3280 experimental NMR restraints, consisting of 2415 approximate interproton distance restraints, 47 distance restraints between MMP-13 and WAY-151693, 5 intramolecular distance restraints for WAY-151693, 88 distance restraints for 44 backbone hydrogen bonds, 391 torsion angle restraints, 103 3JNHa restraints 123 Ca restraints and 108 Cb restraints. The structure was also refined using a conformational database. | XwinNMR |
NMR Ensemble Information | |
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Conformer Selection Criteria | structures with acceptable covalent geometry,structures with favorable non-bond energy,structures with the least restraint violations,structures with the lowest energy,target function |
Conformers Calculated Total Number | 100 |
Conformers Submitted Total Number | 30 |
Additional NMR Experimental Information | |
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Details | The structure was determined using triple-resonance and isotope filtered NMR spectroscopy. |
Computation: NMR Software | ||||
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# | Classification | Version | Software Name | Author |
1 | collection | XwinNMR | 2.0 | Bruker |
2 | processing | NMRPipe | 1.7 | Delaglio |
3 | structure solution | X-PLOR | 3.84 | Brunger |
4 | data analysis | PIPP | 4.2.8 | Garrett |
5 | refinement | X-PLOR | 3.84 | Brunger |