1J5M
SOLUTION STRUCTURE OF THE SYNTHETIC 113CD_3 BETA_N DOMAIN OF LOBSTER METALLOTHIONEIN-1
SOLUTION NMR
NMR Experiment | ||||||||
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Experiment | Type | Sample Contents | Solvent | Ionic Strength | pH | Pressure | Temperature (K) | Spectrometer |
1 | 2D-TOCSY | 5mM (113Cd)3-beta_N, 5mM d-Tris-HCl | 90% H2O/10% D2O | 5mM Tris-HCl | 7.4 | ambient | 278 | |
2 | 2D-NOESY | 5mM (113Cd)3-beta_N, 5mM d-Tris-HCl | 90% H2O/10% D2O | 5mM Tris-HCl | 7.4 | ambient | 278 | |
3 | DQF-COSY | 5mM (113Cd)3-beta_N, 5mM d-Tris-HCl | 90% H2O/10% D2O | 5mM Tris-HCl | 7.4 | ambient | 278 | |
4 | PE-COSY | 5mM (113Cd)3-beta_N, 5mM d-Tris-HCl | 90% H2O/10% D2O | 5mM Tris-HCl | 7.4 | ambient | 278 | |
5 | 2D-113Cd-HSQC-TOCSY | 5mM (113Cd)3-beta_N, 5mM d-Tris-HCl | 90% H2O/10% D2O | 5mM Tris-HCl | 7.4 | ambient | 278 | |
6 | 2D-TOCSY | 5mM (113Cd)3-beta_N, 5mM d-Tris-HCl | 90% H2O/10% D2O | 5mM Tris-HCl | 7.4 | ambient | 298 |
NMR Spectrometer Information | |||
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Spectrometer | Manufacturer | Model | Field Strength |
1 | Bruker | DRX | 500 |
2 | Bruker | DPX | 300 |
NMR Refinement | ||
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Method | Details | Software |
Ab initio simulated annealing | The structure is based on 276 distance restraints, 240 derived from NOE, 33 metal cluster restraints from 113Cd HSQC TOCSY and 6 restraints from HN-S hydrogen bonds. A total of 27 dihedral angle restraints was applied, 13 phi, 10 chi1 and 4 Cys-Cd chi2 angles. Methylene protons for which no stereospecific assignment could be obtained were treated with the floating chirality procedure in XPLOR. | XwinNMR |
NMR Ensemble Information | |
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Conformer Selection Criteria | |
Conformers Calculated Total Number | |
Conformers Submitted Total Number | 1 |
Additional NMR Experimental Information | |
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Details | HN-S hydrogen bonds were determined using a 2D long range 1H{113Cd} HMQC experiment |
Computation: NMR Software | ||||
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# | Classification | Version | Software Name | Author |
1 | collection | XwinNMR | 2.5 | Bruker |
2 | processing | XwinNMR | 2.5 | Bruker |
3 | data analysis | Felix | 2000 | MSI |
4 | structure solution | X-PLOR | 3.851 | Axel Brunger |
5 | data analysis | MOLMOL | 2k.1 | Reto Koradi |
6 | refinement | X-PLOR | 3.851 | Axel Brunger |