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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