1ZAD

Structure of cytotoxin I (CTI) from Naja Oxiana in complex with DPC micelle

SOLUTION NMR

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NMR Experiment
Experiment	Type	Sample Contents	Solvent	Ionic Strength	pH	Pressure	Temperature (K)	Spectrometer
1	2D TOCSY	10mg Cytotoxin I, 35 mg D38-dodecylphosphocholine, 90% H2O, 10% D2O	90% H2O/10% D2O	1 mM	6.0	ambient	323
2	2D NOESY	10mg Cytotoxin I, 35 mg D38-dodecylphosphocholine, 90% H2O, 10% D2O	90% H2O/10% D2O	1 mM	6.0	ambient	323
3	DQF-COSY	10mg Cytotoxin I, 35 mg D38-dodecylphosphocholine, 90% H2O, 10% D2O	90% H2O/10% D2O	1 mM	6.0	ambient	323
4	2D TOCSY	10mg Cytotoxin I, 35 mg D38-dodecylphosphocholine	100% D2O	1 mM	6.0	ambient	323
5	2D NOESY	10mg Cytotoxin I, 35 mg D38-dodecylphosphocholine	100% D2O	1 mM	6.0	ambient	323
6	DQF-COSY	10mg Cytotoxin I, 35 mg D38-dodecylphosphocholine	100% D2O	1 mM	6.0	ambient	323

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

NMR Refinement
Method	Details	Software
simulated annealing	Flexible proline residues were used to distinguish Up/Down conformation of proline rings.	XwinNMR

NMR Ensemble Information
Conformer Selection Criteria	target function
Conformers Calculated Total Number	400
Conformers Submitted Total Number	20
Representative Model	1 (lowest energy)

Computation: NMR Software
#	Classification	Version	Software Name	Author
1	collection	XwinNMR	2.6	Bruker
2	processing	XwinNMR	3.1.a	Bruker
3	data analysis	XEASY	1.2.11	Bartels C. et. al.
4	structure solution	CYANA	1.0.6	Guntert P. et. al.
5	processing	NMRPipe		Delaglio F. et. al.
6	data analysis	ACME	2001.085.20.47	Delaglio F. et. al.
7	refinement	CYANA	1.0.6	Guntert P. et. al.