Solution structure of iron-sulfur cluster assembly protein SUFU from Bacillus subtilis, with zinc bound at the active site. Northeast Structural Genomics Consortium target SR17
SOLUTION NMR
| NMR Experiment | ||||||||
|---|---|---|---|---|---|---|---|---|
| Experiment | Type | Sample Contents | Solvent | Ionic Strength | pH | Pressure | Temperature (K) | Spectrometer |
| 1 | 2D 15N-1H HSQC, 2D 13C-1H HSQC, 3D HNCO, 3D HNCA, 3D HncoCA, 3D HNCACB, 3D HNcoCACB, 3D HcccoNH-TOCSY, 3D hCccoNH-TOCSY | 0.7 MM U-15N, U-13C, PERDEUTERATEDSUFU WITH 13C,1H-LEU, VAL AND ILE-DELTA METHYLS, IN 50MM SODIUM PHOSPHATE, 100MM NACL, 1MM DTT, 0.02% NAN3 | 5% D2O, 95% H2O | 100mM NaCl, 50mM Sodium Phosphate | 6.5 | ambient | 20 | |
| 2 | 2D HH NOESY, 2D 13C-1H HSQC, 2D 15N-1H HSQC, 3D 15N-NOESY, 3D 13C-NOESY, 4D CC NOESY | 1.0 MM U-15N, U-13C, PERDEUTERATED SUFU WITH 13C,1H-LEU, VAL AND ILE-DELTA METHYLS AND 12C,15N,1H - PHE,TYR IN 100MM POTASSIUM PHOSPHATE, 200MM GLYCEROL, 1MM DTT, 0.02% NAN3 | 5% D2O, 95% H2O | 100mM Potassium Phosphate | 6.5 | ambient | 20 | |
| 3 | 2D 13C-1H HSQC | 1.0 MM U-5%13C, U-15N SUFU IN 100MM POTASSIUM PHOSPHATE, 200MM GLYCEROL, 1MM DTT, 0.02% NAN3 | 5% D2O, 95% H2O | 100mM Potassium Phosphate | 6.5 | ambient | 20 | |
| 4 | 2D 15N-1H IPAP-HSQC | 0.8 mM U-5%13C, U-15N SUFU IN 50MM SODIUM PHOSPHATE, 100MM NACL, 1MM DTT, 0.02% NAN3, 5% HEXAETHYLENE GLYCOL MONODODECYL ETHER/N-HEXANOL | 90% H2O, 5% D2O | 100mM NaCl, 50mM Sodium Phosphate | 6.5 | ambient | 20 | |
| 5 | 2D 15N-1H IPAP-HSQC | 0.8 mM U-5%13C, U-15N SUFU IN 50MM SODIUM PHOSPHATE, 100MM NACL, 1MM DTT, 0.02% NAN3, 3.5% PENTAETHYLENE GLYCOL ETHER/N-OCTANOL | 91.5% H2O, 5% D2O | 100mM NaCl, 50mM Sodium Phosphate | 6.5 | ambient | 20 | |
| NMR Spectrometer Information | |||
|---|---|---|---|
| Spectrometer | Manufacturer | Model | Field Strength |
| 1 | Varian | INOVA | 500 |
| 2 | Varian | INOVA | 600 |
| 3 | Varian | INOVA | 750 |
| 4 | Varian | INOVA | 800 |
| NMR Refinement | ||
|---|---|---|
| Method | Details | Software |
| MINIMAL CONSTRAINT STRUCTURE, CONTAINED 512 CONFORMATIONALLY RESTRICTING NOE-DERIVED DISTANCE CONSTRAINTS, 54 HYDROGEN BONDED PAIRS, 186 RESIDUAL DIPOLAR COUPLING CONSTRAINTS, 197 DIHEDRAL ANGLE CONSTRAINTS. 7.0 CONSTRAINTS PER CONFORMATIONALLY CONSTRAINED RESIDUE. 1.0 LONG RANGE CONSTRAINT PER RESIDUE. | DETERMINATION WAS PERFORMED WITH THE FOLLOWING STEPS: RESONANCE ASSIGNMENTS, TORTION ANGLE CONTRAINTS, HYDROGEN BONDED PAIRS AND NOESY CROSSPEAK DATA WAS USED AS INPUT INTO AUTOSTRUCTURE-DYANA. AUTOSTRUCTURE-DYANA IDENTIFIED DISTANCE CONSTRAINTS. THESE DISTANCE CONSTRAINTS WERE USED AS INPUT INTO AN XPLOR-NIH SIMULATED ANNEALING. USING CNS THE TOP TEN XPLOR-NIH STRUCTURES WERE ENERGY MINIMIZED IN EXPLICIT WATER WITH RDC CONSTRAINTS. | AUTOSTRUCTURE-DYANA |
| NMR Ensemble Information | |
|---|---|
| Conformer Selection Criteria | structures with the lowest energy |
| Conformers Calculated Total Number | 60 |
| Conformers Submitted Total Number | 10 |
| Representative Model | 1 (lowest energy) |
| Computation: NMR Software | ||||
|---|---|---|---|---|
| # | Classification | Version | Software Name | Author |
| 1 | structure solution | AUTOSTRUCTURE-DYANA | 1.1.2 | Huang, Montelione et al. |
| 2 | structure solution | XPLOR-NIH | 2.0.6 | Schwieters, Clore et al. |
| 3 | data analysis | TALOS | 2.1 | Cornilescu, Bax et al. |
| 4 | processing | NMRPipe | 2.1 | Delaglio, Bax et al. |
| 5 | data analysis | AutoAssign | 1.9 | Zimmerman, Montelione et al. |
| 6 | data analysis | Sparky | 3.2 | Goddard, Kneller et al. |
| 7 | data analysis | PdbStat | 3.2 | Tejero, Montelione et al. |
| 8 | data analysis | PALES | 2.1 | Zweckstetter |
| 9 | refinement | XPLOR-NIH | 2.0.6 | |














