2M7W
Independently verified structure of gp41-M-MAT, a membrane associated MPER trimer from HIV-1 gp41
SOLUTION NMR
NMR Experiment | ||||||||
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Experiment | Type | Sample Contents | Solvent | Ionic Strength | pH | Pressure | Temperature (K) | Spectrometer |
1 | 2D 1H-15N HSQC | 2 mM protein, 50 mM sodium phosphate, 100 mM [U-99% 2H] DPC | 90% H2O/10% D2O | 6.0 | ambient | 303 | ||
2 | 3D HNCA | 2 mM protein, 50 mM sodium phosphate, 100 mM [U-99% 2H] DPC | 90% H2O/10% D2O | 6.0 | ambient | 303 | ||
3 | 3D HNCACB | 2 mM protein, 50 mM sodium phosphate, 100 mM [U-99% 2H] DPC | 90% H2O/10% D2O | 6.0 | ambient | 303 | ||
4 | 3D HN(CO)CA | 2 mM protein, 50 mM sodium phosphate, 100 mM [U-99% 2H] DPC | 90% H2O/10% D2O | 6.0 | ambient | 303 | ||
5 | 3D 1H-15N NOESY | 2 mM protein, 50 mM sodium phosphate, 100 mM [U-99% 2H] DPC | 90% H2O/10% D2O | 6.0 | ambient | 303 |
NMR Spectrometer Information | |||
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Spectrometer | Manufacturer | Model | Field Strength |
1 | Bruker | AVANCE | 950 |
2 | Varian | INOVA | 800 |
3 | Varian | INOVA | 600 |
NMR Refinement | ||
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Method | Details | Software |
complete search, simulated annealing | DISCO USED TO COMPUTE MPER QUATERNARY STRUCTURE, XPLOR-NIH USED TO COMPUTE MPER SUBUNIT STRUCTURE AND LINKER/FOLDON TRIMER STRUCTURES AND ALSO FOR FULL-LENGTH REFINEMENT. | DISCO |
NMR Ensemble Information | |
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Conformer Selection Criteria | structures with the least restraint violations |
Conformers Calculated Total Number | 200 |
Conformers Submitted Total Number | 18 |
Representative Model | 1 (fewest violations) |
Computation: NMR Software | ||||
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# | Classification | Version | Software Name | Author |
1 | structure solution | DISCO | 1 | Martin, Yan, Bailey-Kellogg, Zhou, and Donald |
2 | structure solution | X-PLOR NIH | 2.33 | Schwieters, Kuszewski, Tjandra and Clore |
3 | refinement | X-PLOR NIH | 2.33 | Schwieters, Kuszewski, Tjandra and Clore |