2MYH

Omega-Tbo-IT1: selective inhibitor of insect calcium channels isolated from Tibellus oblongus spider venom

SOLUTION NMR

NMR Experiment
Experiment	Type	Sample Contents	Solvent	Ionic Strength	pH	Pressure	Temperature (K)	Spectrometer
1	2D 1H-1H TOCSY	1.5 mM Omega-Tbo-IT1	90% H2O/10% D2O	0.06	5.8	ambient	285
2	2D 1H-1H NOESY	1.5 mM Omega-Tbo-IT1	90% H2O/10% D2O	0.06	5.8	ambient	285
3	2D 1H-13C HSQC	1.5 mM Omega-Tbo-IT1	90% H2O/10% D2O	0.06	5.8	ambient	285
4	2D DQF-COSY	1.5 mM Omega-Tbo-IT1	100% D2O	0.06	5.8	ambient	285

NMR Spectrometer Information
Spectrometer	Manufacturer	Model	Field Strength
1	Varian	Uniform NMR System 700	700

NMR Refinement
Method	Details	Software
simulated annealing, torsion angle dynamics		CYANA

NMR Ensemble Information
Conformer Selection Criteria	target function
Conformers Calculated Total Number	100
Conformers Submitted Total Number	20
Representative Model	1 (fewest violations)

Computation: NMR Software
#	Classification	Version	Software Name	Author
1	structure solution	CYANA	3.0	Guntert, Mumenthaler and Wuthrich
2	data analysis	NMRPipe		Delaglio, Grzesiek, Vuister, Zhu, Pfeifer and Bax
3	processing	ACME		Delaglio, Zhengrong and Bax
4	processing	Molmol		Koradi, Billeter and Wuthrich
5	chemical shift assignment	CARA		Keller and Wuthrich
6	peak picking	CARA		Keller and Wuthrich
7	data analysis	NMRDraw		Delaglio, Grzesiek, Vuister, Zhu, Pfeifer and Bax
8	refinement	CYANA		Guntert, Mumenthaler and Wuthrich

RCSB PDB Core Operations are funded by the U.S. National Science Foundation (DBI-2321666), the US Department of Energy (DE-SC0019749), and the National Cancer Institute, National Institute of Allergy and Infectious Diseases, and National Institute of General Medical Sciences of the National Institutes of Health under grant R01GM133198.