2E3E | pdb_00002e3e

NMR structure of DEF-BBB, a mutant of anopheles defensin DEF-AAA

SOLUTION NMR

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NMR Experiment
Experiment	Type	Sample Contents	Solvent	Ionic Strength	pH	Pressure	Temperature (K)	Spectrometer
1	DQF-COSY	2mM DEF-BBB, 40mM sodium acetate buffer	90% H2O/10% D2O	40mM sodium acetate buffer	4.9	ambient	293
2	2D TOCSY	2mM DEF-BBB, 40mM sodium acetate buffer	90% H2O/10% D2O	40mM sodium acetate buffer	4.9	ambient	293
3	2D NOESY	2mM DEF-BBB, 40mM sodium acetate buffer	90% H2O/10% D2O	40mM sodium acetate buffer	4.9	ambient	293
4	DQF-COSY	2mM DEF-BBB, 40mM sodium acetate buffer	90% H2O/10% D2O	40mM sodium acetate buffer	4.9	ambient	303
5	2D TOCSY	2mM DEF-BBB, 40mM sodium acetate buffer	90% H2O/10% D2O	40mM sodium acetate buffer	4.9	ambient	303
6	2D NOESY	2mM DEF-BBB, 40mM sodium acetate buffer	90% H2O/10% D2O	40mM sodium acetate buffer	4.9	ambient	303

NMR Spectrometer Information
Spectrometer	Manufacturer	Model	Field Strength
1	Varian	INOVA	600

NMR Refinement
Method	Details	Software
Simulated annealing with torsion angle space (ARIA/CNS)	The structures are based on a total of 507 NOE-derived distance constraints	NMRPipe

NMR Ensemble Information
Conformer Selection Criteria	structures with the lowest energy and the least restraint violations
Conformers Calculated Total Number	100
Conformers Submitted Total Number	9
Representative Model	1 (lowest restraint energy)

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

Computation: NMR Software
#	Classification	Version	Software Name	Author
1	processing	NMRPipe	2.2	Delaglio
2	data analysis	NMRView	5.0	Johnson
3	structure solution	ARIA	1.1	Linge & Nilges
4	structure solution	CNS	1.1	Brunger
5	refinement	CNS	1.1	Brunger