1IRR

Solution structure of paralytic peptide of the silkworm, Bombyx mori

SOLUTION NMR

NMR Experiment
Experiment	Type	Sample Contents	Solvent	Ionic Strength	pH	Pressure	Temperature (K)	Spectrometer
1	2D NOESY	4.0mM BmPP, 90% H2O, 10% D2O	90% H2O/10% D2O		4.5	1 atm	303
2	DQF-COSY	4.0mM BmPP, 90% H2O, 10% D2O	90% H2O/10% D2O		4.5	1 atm	303
3	2D TOCSY	4.0mM BmPP, 90% H2O, 10% D2O	90% H2O/10% D2O		4.5	1 atm	303
4	2D NOESY	4.0mM BmPP	100% D2O		4.5	1 atm	303
5	DQF-COSY	4.0mM BmPP	100% D2O		4.5	1 atm	303
6	2D TOCSY	4.0mM BmPP	100% D2O		4.5	1 atm	303

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

NMR Refinement
Method	Details	Software
distance geometry simulated annealing	the structures are based on a total of 200 restraints, 200 are NOE-derived unambiguous distance constraints, 72 are NOE-derived ambiguous distance constraints, 17 dihedral angle restraints,14 distance restraints from hydrogen bonds.	ARIA

NMR Ensemble Information
Conformer Selection Criteria	structures with the lowest energy
Conformers Calculated Total Number	100
Conformers Submitted Total Number	20
Representative Model	5 (lowest energy)

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

Computation: NMR Software
#	Classification	Version	Software Name	Author
1	data analysis	ARIA	1.0	Nilges
2	structure solution	CNS	1.0	Brunger
3	refinement	CNS	1.0	Brunger

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.