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Solution Structure of CCAP (Crustacean Cardioactive Peptide) from Drosophila melanogaster
SOLUTION NMR
NMR Experiment
Experiment
Type
Sample Contents
Solvent
Ionic Strength
pH
Pressure
Temperature (K)
Spectrometer
1
2D NOESY
5mM CCAP; DMSO-d6
DMSO-d6
almost zero
6.0
ambient
298
2
2D TOCSY
5mM CCAP; DMSO-d6
DMSO-d6
almost zero
6.0
ambient
298
3
DQF-COSY
5mM CCAP; DMSO-d6
DMSO-d6
almost zero
6.0
ambient
298
4
E-COSY
5mM CCAP; DMSO-d6
DMSO-d6
almost zero
6.0
ambient
298
NMR Spectrometer Information
Spectrometer
Manufacturer
Model
Field Strength
1
Varian
INOVA
500
NMR Refinement
Method
Details
Software
torsion angle dynamics using DYANA ver. 1.4
The structures are based on a total of 79 restraints, of which 65 are NOE-derived distance restraints, 8 dihedral angle restraints, and 6 distance restraints for the disulfide bond (Cys3-Cys9).
VNMR
NMR Ensemble Information
Conformer Selection Criteria
target function
Conformers Calculated Total Number
100
Conformers Submitted Total Number
10
Additional NMR Experimental Information
Details
This structure was determined using standard 2D homonuclear techniques.