2KGE
NMR Solution Structures of 3,5-dioxohexyl ACP (a triketide mimic) from the actinorhodin polyketide synthase in Streptomyces coelicolor
SOLUTION NMR
NMR Experiment | ||||||||
---|---|---|---|---|---|---|---|---|
Experiment | Type | Sample Contents | Solvent | Ionic Strength | pH | Pressure | Temperature (K) | Spectrometer |
1 | 2D 1H-15N HSQC | 1-2 mM 4-phosphopantetheine chain deriviatised with a 3,5-dioxohexyl group. 95% H2O/5% D2O | 95% H2O/5% D2O | 5.5 | ambient | 298 | ||
2 | 3D H(CCO)NH | 1-2 mM 4-phosphopantetheine chain deriviatised with a 3,5-dioxohexyl group. 95% H2O/5% D2O | 95% H2O/5% D2O | 5.5 | ambient | 298 | ||
3 | 3D C(CO)NH | 1-2 mM 4-phosphopantetheine chain deriviatised with a 3,5-dioxohexyl group. 95% H2O/5% D2O | 95% H2O/5% D2O | 5.5 | ambient | 298 | ||
4 | 3D HCCH-TOCSY | 1-2 mM 4-phosphopantetheine chain deriviatised with a 3,5-dioxohexyl group. 95% H2O/5% D2O | 95% H2O/5% D2O | 5.5 | ambient | 298 | ||
5 | 3D 1H-15N NOESY | 1-2 mM 4-phosphopantetheine chain deriviatised with a 3,5-dioxohexyl group. 95% H2O/5% D2O | 95% H2O/5% D2O | 5.5 | ambient | 298 | ||
6 | 3D 1H-13C NOESY | 1-2 mM 4-phosphopantetheine chain deriviatised with a 3,5-dioxohexyl group. 95% H2O/5% D2O | 95% H2O/5% D2O | 5.5 | ambient | 298 | ||
7 | 3D HNCO | 1-2 mM 4-phosphopantetheine chain deriviatised with a 3,5-dioxohexyl group. 95% H2O/5% D2O | 95% H2O/5% D2O | 5.5 | ambient | 298 | ||
8 | 2D 13C,15N Filtered NOESY | 1-2 mM 4-phosphopantetheine chain deriviatised with a 3,5-dioxohexyl group. 95% H2O/5% D2O | 95% H2O/5% D2O | 5.5 | ambient | 298 | ||
9 | 2D 13C F2 Filtered NOESY | 1-2 mM 4-phosphopantetheine chain deriviatised with a 3,5-dioxohexyl group. 95% H2O/5% D2O | 95% H2O/5% D2O | 5.5 | ambient | 298 | ||
10 | 2D 13C,15N Filtered TOCSY | 1-2 mM 4-phosphopantetheine chain deriviatised with a 3,5-dioxohexyl group. 95% H2O/5% D2O | 95% H2O/5% D2O | 5.5 | ambient | 298 |
NMR Spectrometer Information | |||
---|---|---|---|
Spectrometer | Manufacturer | Model | Field Strength |
1 | Varian | INOVA | 600 |
NMR Refinement | ||
---|---|---|
Method | Details | Software |
simulated annealing | ALL STRUCTURE CALCULATIONS WERE CARRIED OUT USING THE AMBIGUOUS RESTRAINTS FOR ITERATIVE ASSIGNMENT OF NOES (ARIA) PROTOCOL VERSION 1.2. THE 20 BEST STRUCTURES (SORTED ACCORDING TO TOTAL ENERGY) WERE SELECTED FOR WATER REFINEMENT. WATER REFINED STRUCTURES WERE CALCULATED USING THE SLIGHTLY MODIFIED REFINEMENT SCRIPT APPLIED TO THE RECOORD DATABASE. PROCHECK AND WHATCHECK AND QUALITY INDICATORS WERE COMPARED TO THE AVERAGE VALUES FOR THE RECOORD DATABASE OF PROTEIN NMR STRUCTURES. | Analysis_(CCPN) |
NMR Ensemble Information | |
---|---|
Conformer Selection Criteria | structures with the lowest energy |
Conformers Calculated Total Number | 100 |
Conformers Submitted Total Number | 20 |
Representative Model | 1 (closest to the average) |
Computation: NMR Software | ||||
---|---|---|---|---|
# | Classification | Version | Software Name | Author |
1 | chemical shift assignment | Analysis_(CCPN) | 1.0 | Rasmus H. Fogh, Wim F. Vranken, Wayne Boucher, Tim J. Stevens and Ernest D. Laue |
2 | peak picking | Analysis_(CCPN) | 1.0 | Rasmus H. Fogh, Wim F. Vranken, Wayne Boucher, Tim J. Stevens and Ernest D. Laue |
3 | structure solution | ARIA | 1.2 | Linge, O'Donoghue and Nilges |
4 | refinement | ARIA | 1.2 | Linge, O'Donoghue and Nilges |