1JJD
NMR structure of the Cyanobacterial Metallothionein SmtA
SOLUTION NMR
NMR Experiment | ||||||||
---|---|---|---|---|---|---|---|---|
Experiment | Type | Sample Contents | Solvent | Ionic Strength | pH | Pressure | Temperature (K) | Spectrometer |
1 | 2D NOESY | 3mM Zn4SmtA; 50 mM [D-11]TRIS/HCl buffer; 50mM NaCl; | 90% H2O/10% D2O | 50mM NaCl | 7.0 | ambient | 308 | |
2 | HNHA | 0.4mM 15N labelled Zn-SmtA; 50 mM [D-11]TRIS/HCl buffer; 50mM NaCl; | 90% H2O/10% D2O | 50mM NaCl | 7.0 | ambient | 308 | |
3 | 2D [1H,111Cd] HSQC | 3mM Cd4SmtA; 50 mM [D-11]TRIS/HCl buffer; 50mM NaCl; | 90% H2O/10% D2O | 50mM NaCl | 7.0 | ambient | 308 |
NMR Spectrometer Information | |||
---|---|---|---|
Spectrometer | Manufacturer | Model | Field Strength |
1 | Varian | UNITY | 600 |
2 | Bruker | DMX | 500 |
3 | Bruker | DMX | 360 |
NMR Refinement | ||
---|---|---|
Method | Details | Software |
distance geometry, torsion angle dynamics | the structure is based on a total of 380 restraints, 291 are NOE-derived distance restraints, 37 are dihedral angle restraints, and 52 are zinc-ligand distance restraints. | VNMR |
NMR Ensemble Information | |
---|---|
Conformer Selection Criteria | DIANA target function |
Conformers Calculated Total Number | 500 |
Conformers Submitted Total Number | 1 |
Representative Model | 1 (minimized average structure) |
Additional NMR Experimental Information | |
---|---|
Details | the average structure was calculated from the best 20 conformers. |
Computation: NMR Software | ||||
---|---|---|---|---|
# | Classification | Version | Software Name | Author |
1 | collection | VNMR | 6.1c | Varian |
2 | processing | XwinNMR | 2.1 | Bruker |
3 | data analysis | SYBYL | 6.3 | Tripos inc. |
4 | structure solution | DIANA | 2.2.1 | Wuethrich et al |
5 | refinement | SYBYL | 6.3 | Tripos, Inc. |