Experiment: 1P9Z

The Solution Structure of Antifungal Peptide Distinct With a Five-disulfide Motif from Eucommia ulmoides Oliver

SOLUTION NMR

NMR Experiment
Experiment	Type	Sample Contents	Solvent	Ionic Strength	pH	Pressure	Temperature (K)	Spectrometer
1	DQF-COSY	6mM antifungal peptide(EAFP2); 20 mM phosphate buffer,0.01 mM EDTA	90% H2O/10% D2O	20 mM Phospate Buffer	5.6	ambient	300
2	2D TOCSY	6mM antifungal peptide(EAFP2); 20 mM phosphate buffer,0.01 mM EDTA	90% H2O/10% D2O	20 mM Phospate Buffer	5.6	ambient	300
3	2D NOESY	6mM antifungal peptide(EAFP2); 20 mM phosphate buffer,0.01 mM EDTA	90% H2O/10% D2O	20 mM Phospate Buffer	5.6	ambient	300
4	2D TOCSY	6mM antifungal peptide(EAFP2); 20 mM phosphate buffer, 0.01 mMEDTA	100% D2O	20 mM Phospate Buffer	5.6	ambient	300
5	2D NOESY	6mM antifungal peptide(EAFP2); 20 mM phosphate buffer, 0.01 mMEDTA	100% D2O	20 mM Phospate Buffer	5.6	ambient	300
6	DQF-COSY	6mM antifungal peptide(EAFP2); 20 mM phosphate buffer, 0.01 mMEDTA	100% D2O	20 mM Phospate Buffer	5.6	ambient	300
7	2D NOESY	6mM antifungal peptide(EAFP2); 20 mM phosphate buffer,0.01 mM EDTA	90% H2O/10% D2O	20 mM Phospate Buffer	5.6	ambient	290
8	2D TOCSY	6mM antifungal peptide(EAFP2); 20 mM phosphate buffer,0.01 mM EDTA	90% H2O/10% D2O	20 mM Phospate Buffer	5.6	ambient	290

NMR Spectrometer Information
Spectrometer	Manufacturer	Model	Field Strength
1	Bruker	DMX	500

NMR Refinement
Method	Details	Software
torsion angle dynamics, simulated annealing	the structures are based on a total of 630 restraints, 594 are NOE-derived distance constraints, 16 dihedral angle restraints,20 distance restraints from hydrogen bonds.	XwinNMR

NMR Ensemble Information
Conformer Selection Criteria	structures with the least restraint violations,structures with the lowest energy
Conformers Calculated Total Number	100
Conformers Submitted Total Number	21
Representative Model	1 (fewest violations,lowest energy)

Additional NMR Experimental Information
Details	This structure was determined using standard 2D homonuclear techniques

Computation: NMR Software
#	Classification	Version	Software Name	Author
1	collection	XwinNMR	3.1	Bruker Corp.
2	data analysis	Sparky	3.105	Goddard, T.D. and Kneller, D.G.
3	structure solution	CNS	1.1	Brunger, A.T. etc.
4	refinement	CNS	1.1	Brunger, A.T. etc.