6RC7

NMR structure of cytotoxin 3 from Naja kaouthia in solution, major form

SOLUTION NMR

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NMR Experiment
Experiment	Type	Sample Contents	Solvent	Ionic Strength	pH	Pressure	Temperature (K)	Spectrometer
1	2D 1H-1H TOCSY	3 mM No Cytotoxin 3 from Naja kaouthia, 2 mM No Cytotoxin 2 from Naja kaouthia	90% H2O/10% D2O	0 mM	4.00	1 bar	303	Bruker AVANCE 700
2	2D DQF-COSY	3 mM No Cytotoxin 3 from Naja kaouthia, 2 mM No Cytotoxin 2 from Naja kaouthia	90% H2O/10% D2O	0 mM	4.00	1 bar	303	Bruker AVANCE 700
3	2D 1H-1H NOESY	3 mM No Cytotoxin 3 from Naja kaouthia, 2 mM No Cytotoxin 2 from Naja kaouthia	90% H2O/10% D2O	0 mM	4.00	1 bar	303	Bruker AVANCE 700
4	2D ROESY	3 mM No Cytotoxin 3 from Naja kaouthia, 2 mM No Cytotoxin 2 from Naja kaouthia	90% H2O/10% D2O	0 mM	4.00	1 bar	303	Bruker AVANCE 700
5	2D 1H-13C HSQC	3 mM No Cytotoxin 3 from Naja kaouthia, 2 mM No Cytotoxin 2 from Naja kaouthia	90% H2O/10% D2O	0 mM	4.00	1 bar	303	Bruker AVANCE II 800
6	2D 1H-15N HSQC	3 mM No Cytotoxin 3 from Naja kaouthia, 2 mM No Cytotoxin 2 from Naja kaouthia	90% H2O/10% D2O	0 mM	4.00	1 bar	303	Bruker AVANCE II 800
7	2D 1H-13C HSQC-TOCSY	3 mM No Cytotoxin 3 from Naja kaouthia, 2 mM No Cytotoxin 2 from Naja kaouthia	90% H2O/10% D2O	0 mM	4.00	1 bar	303	Bruker AVANCE II 800
8	2D DQF-COSY	3 mM No Cytotoxin 3 from Naja kaouthia, 2 mM No Cytotoxin 2 from Naja kaouthia	100% D2O	0 mM	4.0	1 bar	303	Bruker AVANCE 600
9	2D 1H-1H NOESY	3 mM No Cytotoxin 3 from Naja kaouthia, 2 mM No Cytotoxin 2 from Naja kaouthia	100% D2O	0 mM	4.0	1 bar	303	Bruker AVANCE 600
10	2D 1H-1H TOCSY	3 mM No Cytotoxin 3 from Naja kaouthia, 2 mM No Cytotoxin 2 from Naja kaouthia	100% D2O	0 mM	4.0	1 bar	303	Bruker AVANCE 600

NMR Spectrometer Information
Spectrometer	Manufacturer	Model	Field Strength
1	Bruker	AVANCE	600
2	Bruker	AVANCE	700
3	Bruker	AVANCE II	800

NMR Refinement
Method	Details	Software
simulated annealing		CYANA

NMR Ensemble Information
Conformer Selection Criteria	structures with the least restraint violations
Conformers Calculated Total Number	200
Conformers Submitted Total Number	20
Representative Model	1 (target function)

Computation: NMR Software
#	Classification	Version	Software Name	Author
1	collection	TopSpin	2	Bruker Biospin
2	chemical shift assignment	CARA	1.9.1.4	Keller and Wuthrich
3	structure calculation	CYANA	2	Guntert, Mumenthaler and Wuthrich
4	structure calculation	TALOS	1.9.1.4	Cornilescu, Delaglio and Bax