1J5I
Solution Structure of a Novel Chromoprotein Derived from Apo-Neocarzinostatin and a Synthetic Chromophore
SOLUTION NMR
NMR Experiment | ||||||||
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Experiment | Type | Sample Contents | Solvent | Ionic Strength | pH | Pressure | Temperature (K) | Spectrometer |
1 | 3D 1H-1H-15N TOCSY | 1.0 mM u-15N 1, 1.0 mM 2, 25 mM phosphate pH 5.0, 0.1 mM TSP, 0.005% sodium azide w/v | 80% H2O 10% D2O 10% d4-MeOH | 25 mM sodium phosphate | 5.0 | ambient | 308 | |
2 | 3D 1H-1H-15N NOESY | 1.0 mM u-15N 1, 1.0 mM 2, 25 mM phosphate pH 5.0, 0.1 mM TSP, 0.005% sodium azide w/v | 80% H2O 10% D2O 10% d4-MeOH | 25 mM sodium phosphate | 5.0 | ambient | 308 | |
3 | 3D HNHA | 1.0 mM u-15N 1, 1.0 mM 2, 25 mM phosphate pH 5.0, 0.1 mM TSP, 0.005% sodium azide w/v | 80% H2O 10% D2O 10% d4-MeOH | 25 mM sodium phosphate | 5.0 | ambient | 308 | |
4 | 3D HNHB | 1.0 mM u-15N 1, 1.0 mM 2, 25 mM phosphate pH 5.0, 0.1 mM TSP, 0.005% sodium azide w/v | 80% H2O 10% D2O 10% d4-MeOH | 25 mM sodium phosphate | 5.0 | ambient | 308 | |
5 | 2D 1H-15N HSQC | 1.0 mM u-15N 1, 1.0 mM 2, 25 mM phosphate pH 5.0, 0.1 mM TSP, 0.005% sodium azide w/v | 80% H2O 10% D2O 10% d4-MeOH | 25 mM sodium phosphate | 5.0 | ambient | 308 | |
6 | 2D 1H-1H NOESY | 1.0 mM u-15N 1, 1.0 mM 2, 25 mM phosphate pH 5.0, 0.1 mM TSP, 0.005% sodium azide w/v | 80% H2O 10% D2O 10% d4-MeOH | 25 mM sodium phosphate | 5.0 | ambient | 308 |
NMR Spectrometer Information | |||
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Spectrometer | Manufacturer | Model | Field Strength |
1 | Varian | INOVA | 600 |
2 | Varian | UNITYPLUS | 500 |
NMR Refinement | ||
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Method | Details | Software |
Simulated annealing with torsion angle dynamics | RESTRAINTS FOR STRUCTURE CALCULATION: INTERMOLECULAR NOES 20, INTRARESIDUE NOES 173, SEQUENTIAL NOES (I, I + 1) 227, MEDIUM-RANGE NOES (I, I+2 - I+4) 115, LONG-RANGE NOES (I, I>5) 295, PSI ANGLE RESTRAINTS 39, HYDROGEN BONDS 74, DISULPHIDE BONDS 12. | VNMR |
NMR Ensemble Information | |
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Conformer Selection Criteria | structures with favorable non-bond energy |
Conformers Calculated Total Number | 100 |
Conformers Submitted Total Number | 44 |
Representative Model | 1 (lowest energy) |
Computation: NMR Software | ||||
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# | Classification | Version | Software Name | Author |
1 | collection | VNMR | 6.1c | Varian |
2 | processing | NMRPipe | sgi6x | Delaglio, F., Grzesiek, S., Vuister, G. W., Zhu, G., Pfeifer, J., and Bax, A. |
3 | analysis | XEASY | 1.3.13 | Bartels, C., Xia, T. H., Billeter, M., Guntert, P., and Wurthrich, K. |
4 | refinement | DYANA | Guntert, Mumenthaler, Wurthrich |