1GXG

Non-cognate protein-protein interactions: the NMR structure of the colicin E8 inhibitor protein Im8 and its interaction with the DNase domain of colicin E9

SOLUTION NMR

NMR Experiment
Experiment	Type	Sample Contents	Solvent	Ionic Strength	pH	Pressure	Temperature (K)	Spectrometer
1	3D 15N-EDITED TOCSY-HSQC	0.01M DTT		0.05 M	6.2	1 atm	298
2	3D 15N-EDITED NOESY-HSQC	0.01M DTT		0.05 M	6.2	1 atm	298
3	2D 1H-1H TOCSY (80MS)	0.01M DTT		0.05 M	6.2	1 atm	298
4	2D 1H-1H NOESY(100MS)	0.01M DTT		0.05 M	6.2	1 atm	298

NMR Spectrometer Information
Spectrometer	Manufacturer	Model	Field Strength
1	Varian	UNITYPLUS	750

NMR Refinement
Method	Details	Software
torsion angle dynamics	REFINEMENT USING A RESTRAINT MOLECULAR DYNAMICS RUN IN VACUO	OPAL

NMR Ensemble Information
Conformer Selection Criteria	THE 30 LOWEST TARGET FUNCTION STRUCTURES FROM DYANA WERE ENERGY MINIMISED IN OPAL; THE 20 LOWEST ENERGY STRUCTURES WERE CHOSEN AS THE FINAL ENSEMBLE
Conformers Calculated Total Number	300
Conformers Submitted Total Number	1

Additional NMR Experimental Information
Details	NMR STRUCTURE DETERMINED USING 15-LABELLED IM8 PROTEIN. THIS ENTRY REPRESENTS THE LOWEST ENERGY STRUCTURE FROM AN ENSEMBLE OF 20 STRUCTURES (THE ENSEMBLE HAS BEEN DEPOSITED AS ENTRY 1GXH).

Computation: NMR Software
#	Classification	Version	Software Name	Author
1	refinement	OPAL		LUGINBUHL,GUNTERT,BILLETER,WUTHRICH
2	structure solution	DYANA

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.