Dimeric Structure of full-length CrgA, a Cell Division Protein from Mycobacterium tuberculosis, in Lipid Bilayers
SOLID-STATE NMR
| NMR Experiment | ||||||||
|---|---|---|---|---|---|---|---|---|
| Experiment | Type | Sample Contents | Solvent | Ionic Strength | pH | Pressure | Temperature (K) | Spectrometer |
| 1 | 2D 1H-15N PISEMA | 200 mg/L [U-15N]-Ala CrgA-Ala, 200 mg/L [U-15N]-Val CrgA-Val, 200 mg/L [U-15N]-Leu, [U-15N]-Thr CrgA-Leu,Thr, 200 mg/L [U-15N]-Met CrgA-Met, 200 mg/L [U-15N]-Phe CrgA-Phe, 200 mg/L [U-15N]-Trp CrgA-Trp, 200 mg/L [U-15N]-Gly CrgA-Gly, 200 mg/L [U-15N]-Ile CrgA-Ile, 200 mg/L [U-15N]-Tyr CrgA-Tyr | Aqueous solution | 5 mM | 8.0 | 1 atm | 289 | Bruker AVANCE 600 |
| 2 | 2D 1H-15N PISEMA | 1 g/L [U-15N]-NH4Cl CrgA-Arg, 1 g/L [U-15N]-NH4Cl CrgA-Asn,Lys,Ser | Aqueous solution | 5 mM | 8.0 | 1 atm | 289 | Bruker AVANCE 600 |
| 3 | 2D 13C-13C DARR | 200 mg/L [U-13C]-Met,[U-13C]-Ala CrgA-Met,Ala, 200 mg/L [U-13C]-Leu,[U-13C]-Tyr CrgA-Leu,Tyr, 200 mg/L [U-13C]-Phe CrgA-Phe, 200 mg/L [U-13C]-Met CrgA-Met, 200 mg/L [U-13C]-Val CrgA-Val, 200 mg/L [U-13C]-Lys CrgA-Lys | Aqueous solution | 5 mM | 8.0 | 1 atm | 265 | Bruker AVANCE 600 |
| NMR Spectrometer Information | |||
|---|---|---|---|
| Spectrometer | Manufacturer | Model | Field Strength |
| 1 | Bruker | AVANCE | 600 |
| 2 | Bruker | AVANCE | 600 |
| NMR Refinement | ||
|---|---|---|
| Method | Details | Software |
| molecular dynamics | The authors state that the N-Ca-C bond angle of Thr20 in chain B is 160 deg, much higher than the ideal 110 deg due to strain at this type-VI turn. | NAMD |
| NMR Ensemble Information | |
|---|---|
| Conformer Selection Criteria | structures with the least restraint violations |
| Conformers Calculated Total Number | 13 |
| Conformers Submitted Total Number | 10 |
| Representative Model | 1 (closest to the average) |
| Computation: NMR Software | ||||
|---|---|---|---|---|
| # | Classification | Version | Software Name | Author |
| 1 | refinement | NAMD | 2.13 | Phillips, Braun, Wang, Gumbart, Tajkhorshid, Villa, Chipot, Skeel, Kale and Schulten |
| 2 | structure calculation | X-PLOR NIH | 3.4 | Schwieters, Kuszewski, Tjandra and Clore |
| 3 | chemical shift assignment | TopSpin | Bruker Biospin | |
| 4 | peak picking | TopSpin | Bruker Biospin | |
| 5 | data analysis | TopSpin | Bruker Biospin | |
| 6 | processing | TopSpin | Bruker Biospin | |
