Experiment: 5L1C

Heteronuclear Solution Structure of Chlorotoxin

SOLUTION NMR

NMR Experiment
Experiment	Type	Sample Contents	Solvent	Ionic Strength	pH	Pressure	Temperature (K)	Spectrometer
1	2D 1H-15N HSQC	370 uM [U-13C; U-15N] Chlorotoxin, 20 mM sodium phosphate, 5 % D2O	95% H2O/5% D2O	20 mM	5.8	1 atm	298	Bruker AVANCE III 900
2	3D HNCO	370 uM [U-13C; U-15N] Chlorotoxin, 20 mM sodium phosphate, 5 % D2O	95% H2O/5% D2O	20 mM	5.8	1 atm	298	Bruker AVANCE III 900
3	3D HNCACB	370 uM [U-13C; U-15N] Chlorotoxin, 20 mM sodium phosphate, 5 % D2O	95% H2O/5% D2O	20 mM	5.8	1 atm	298	Bruker AVANCE III 900
4	3D HBHA(CO)NH	370 uM [U-13C; U-15N] Chlorotoxin, 20 mM sodium phosphate, 5 % D2O	95% H2O/5% D2O	20 mM	5.8	1 atm	298	Bruker AVANCE III 900
5	3D CBCA(CO)NH	370 uM [U-13C; U-15N] Chlorotoxin, 20 mM sodium phosphate, 5 % D2O	95% H2O/5% D2O	20 mM	5.8	1 atm	298	Bruker AVANCE III 900
9	3D C(CO)NH	370 uM [U-13C; U-15N] Chlorotoxin, 20 mM sodium phosphate, 5 % D2O	95% H2O/5% D2O	20 mM	5.8	1 atm	298	Bruker AVANCE III 900
8	3D H(CCO)NH	370 uM [U-13C; U-15N] Chlorotoxin, 20 mM sodium phosphate, 5 % D2O	95% H2O/5% D2O	20 mM	5.8	1 atm	298	Bruker AVANCE III 900
7	3D 1H-15N NOESY	370 uM [U-13C; U-15N] Chlorotoxin, 20 mM sodium phosphate, 5 % D2O	95% H2O/5% D2O	20 mM	5.8	1 atm	298	Bruker AVANCE III 900
10	3D 1H-13C NOESY aliphatic	370 uM [U-13C; U-15N] Chlorotoxin, 20 mM sodium phosphate, 5 % D2O	95% H2O/5% D2O	20 mM	5.8	1 atm	298	Bruker AVANCE III 900
6	3D 1H-13C NOESY aromatic	370 uM [U-13C; U-15N] Chlorotoxin, 20 mM sodium phosphate, 5 % D2O	95% H2O/5% D2O	20 mM	5.8	1 atm	298	Bruker AVANCE III 900

NMR Spectrometer Information
Spectrometer	Manufacturer	Model	Field Strength
1	Bruker	AVANCE III	900

NMR Refinement
Method	Details	Software
torsion angle dynamics	Automated NOE assignment	CYANA

NMR Ensemble Information
Conformer Selection Criteria	target function
Conformers Calculated Total Number	200
Conformers Submitted Total Number	20
Representative Model	1 (lowest energy)

Computation: NMR Software
#	Classification	Version	Software Name	Author
1	collection	TopSpin	3.1	Bruker Biospin
2	processing	Rowland NMR Toolkit	3	Jeffrey C. Hoch, Alan S. Stern University of Connecticut
6	chemical shift assignment	Analysis	2	CCPN
5	data analysis	TALOS	N	Cornilescu, Delaglio and Bax
3	geometry optimization	CYANA	3	Guntert, Mumenthaler and Wuthrich