2B0F
NMR Structure of the Human Rhinovirus 3C Protease (serotype 14) with covalently bound Ace-LEALFQ-ethylpropionate 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 | 0.75mM HRV14-3C with covalent inhibitor 20mM KH2PO4 15mM DTT 0.5mM EDTA 0.1mM DSS pH 6.5; 90% H2O, 10% D2O | 90% H2O/10% D2O | 20mM KH2PO4 | 6.5 | ambient | 25 | |
2 | 3D_15N-separated_NOESY | 0.75mM HRV14-3C with covalent inhibitor 20mM KH2PO4 15mM DTT 0.5mM EDTA 0.1mM DSS pH 6.5; 90% H2O, 10% D2O | 90% H2O/10% D2O | 20mM KH2PO4 | 6.5 | ambient | 25 | |
3 | 3D_13C-separated_NOESY | 0.75mM HRV14-3C with covalent inhibitor 20mM KH2PO4 15mM DTT 0.5mM EDTA 0.1mM DSS pD 6.5; 99.96% D2O | 99.96% D2O | 20mM KH2PO4 | 6.5 | ambient | 25 | |
4 | 2D NOESY | 0.75mM HRV14-3C with covalent inhibitor 20mM KH2PO4 15mM DTT 0.5mM EDTA 0.1mM DSS pD 6.5; 99.96% D2O | 99.96% D2O | 20mM KH2PO4 | 6.5 | ambient | 25 | |
5 | HNHA | 0.75mM HRV14-3C with covalent inhibitor 20mM KH2PO4 15mM DTT 0.5mM EDTA 0.1mM DSS pH 6.5; 90% H2O, 10% D2O | 90% H2O/10% D2O | 20mM KH2PO4 | 6.5 | ambient | 25 | |
6 | 15N HSQC | 0.75mM HRV14-3C with covalent inhibitor 20mM KH2PO4 15mM DTT 0.5mM EDTA 0.1mM DSS pD 6.5; 99.96% D2O | 99.96% D2O | 20mM KH2PO4 | 6.5 | ambient | 25 |
NMR Spectrometer Information | |||
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Spectrometer | Manufacturer | Model | Field Strength |
1 | Varian | INOVA | 500 |
NMR Refinement | ||
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Method | Details | Software |
simulated annealing molecular dynamics torsion angle dynamics RECOORD water refinement | X-PLOR |
NMR Ensemble Information | |
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Conformer Selection Criteria | back calculated data agree with experimental NOESY spectrum,structures with acceptable covalent geometry,structures with favorable non-bond energy,structures with the least restraint violations,structures with the lowest energy |
Conformers Calculated Total Number | 100 |
Conformers Submitted Total Number | 20 |
Representative Model | 1 (lowest energy) |
Additional NMR Experimental Information | |
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Details | H-bond donors determined from 15N HSQC exchanged into D2O. 3J HNHA couplings determined from HNHA. 13C-seperated NOESY collected in 99.96% D2O without wet water suppression to achieve cross strand beta-sheet HA-HA NOEs. |
Computation: NMR Software | ||||
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# | Classification | Version | Software Name | Author |
1 | structure solution | X-PLOR | XPLOR-NIH v.2.10 | Brunger |
2 | refinement | CNS | 1.1 | Brunger |