1ZSG

beta PIX-SH3 complexed with an atypical peptide from alpha-PAK

SOLUTION NMR

NMR Experiment
Experiment	Type	Sample Contents	Solvent	Ionic Strength	pH	Pressure	Temperature (K)	Spectrometer
1	3D_15N-separated_NOESY	1mM 15N labelled PIX-SH3 complexed with 1.2 mM peptide in 20 mM Na2HPO4/NaH2PO4, pH 7.3, 100mM Na2SO4, 0.05% NaN3, 90% H2O, 10% D2O	90% H2O/10% D2O	100 mM Na2SO4	7.3	1 atm	298
2	3D_13C-separated_NOESY	1mM 15N,13C labelled PIX-SH3 complexed with 1.2 mM peptide in 20 mM Na2HPO4/NaH2PO4, pH 7.3, 100mM Na2SO4, 0.05% NaN3, 90% H2O, 10% D2O	90% H2O/10% D2O	100 mM Na2SO4	7.3	1 atm	298
3	13C,15N-filtered, 13C-separated NOESY	1mM 15N,13C labelled PIX-SH3 complexed with 1.2 mM peptide in 20 mM Na2HPO4/NaH2PO4, pH 7.3, 100mM Na2SO4, 0.05% NaN3, 90% H2O, 10% D2O	90% H2O/10% D2O	100 mM Na2SO4	7.3	1 atm	298

NMR Spectrometer Information
Spectrometer	Manufacturer	Model	Field Strength
1	Bruker	DRX	600
2	Bruker	DRX	800

NMR Refinement
Method	Details	Software
simluated annealing with torsion angle dynamics followed by Cartesian dynamics cooling	Total of 1788 unambiguous and 761 ambiguous NOE derieved distance restraints, 33 dihedral angle restraints.	XwinNMR

NMR Ensemble Information
Conformer Selection Criteria	structures with the lowest energy
Conformers Calculated Total Number	100
Conformers Submitted Total Number	30
Representative Model	1 (closest to the average)

Computation: NMR Software
#	Classification	Version	Software Name	Author
1	collection	XwinNMR	2.6	Bruker
2	processing	Azara	2.7	Boucher
3	data analysis	ANSIG	3.3	Kraulis
4	structure solution	ARIA	1.2	Linge & Nilges
5	structure solution	CNS	1.1	Brunger et al
6	refinement	CNS	1.1	Brunger et al

RCSB PDB Core Operations are funded by the National Science Foundation (DBI-1832184), 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.