6C00

Solution structure of translation initiation factor 1 from Clostridium difficile

SOLUTION NMR

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NMR Experiment
Experiment	Type	Sample Contents	Solvent	Ionic Strength	pH	Pressure	Temperature (K)	Spectrometer
1	2D 1H-15N HSQC	1 mM [U-99% 15N] 15N_pET24bCdIF1	90% H2O/10% D2O	0.12 M	5.1	1 atm	298	Bruker AVANCE 600
2	3D 1H-15N NOESY	1 mM [U-99% 15N] 15N_pET24bCdIF1	90% H2O/10% D2O	0.12 M	5.1	1 atm	298	Bruker AVANCE 600
3	3D HNCACB	1 mM [U-99% 13C; U-99% 15N] 13C_15N_pET24bCdIF1	90% H2O/10% D2O	0.12 M	5.1	1 atm	298	Bruker AVANCE 600
4	3D CBCA(CO)NH	1 mM [U-99% 13C; U-99% 15N] 13C_15N_pET24bCdIF1	90% H2O/10% D2O	0.12 M	5.1	1 atm	298	Bruker AVANCE 600
5	3D HNCO	1 mM [U-99% 13C; U-99% 15N] 13C_15N_pET24bCdIF1	90% H2O/10% D2O	0.12 M	5.1	1 atm	298	Bruker AVANCE 600
6	3D HBHA(CO)NH	1 mM [U-99% 13C; U-99% 15N] 13C_15N_pET24bCdIF1	90% H2O/10% D2O	0.12 M	5.1	1 atm	298	Bruker AVANCE 600
7	3D H(CCO)NH	1 mM [U-99% 13C; U-99% 15N] 13C_15N_pET24bCdIF1	90% H2O/10% D2O	0.12 M	5.1	1 atm	298	Bruker AVANCE 600
8	3D C(CO)NH	1 mM [U-99% 13C; U-99% 15N] 13C_15N_pET24bCdIF1	90% H2O/10% D2O	0.12 M	5.1	1 atm	298	Bruker AVANCE 600
9	2D 1H-13C HSQC aliphatic	1 mM [U-99% 13C; U-99% 15N] 13C_15N_pET24bCdIF1	100% D2O	0.12 M	5.1	1 atm	298	Bruker AVANCE 700
10	3D HCCH-TOCSY	1 mM [U-99% 13C; U-99% 15N] 13C_15N_pET24bCdIF1	100% D2O	0.12 M	5.1	1 atm	298	Bruker AVANCE 700
11	3D 1H-13C NOESY aliphatic	1 mM [U-99% 13C; U-99% 15N] 13C_15N_pET24bCdIF1	100% D2O	0.12 M	5.1	1 atm	298	Bruker AVANCE 700

NMR Spectrometer Information
Spectrometer	Manufacturer	Model	Field Strength
1	Bruker	AVANCE	600
2	Bruker	AVANCE	700

NMR Refinement
Method	Details	Software
simulated annealing	the structurea are based on a total of 999 restraints, 854 NOE, 112 dihedral angle restraints, 33 hydrogen bonds	xplor-NIH

NMR Ensemble Information
Conformer Selection Criteria	structures with the lowest energy
Conformers Calculated Total Number	50
Conformers Submitted Total Number	15
Representative Model	1 (lowest energy)

Computation: NMR Software
#	Classification	Version	Software Name	Author
1	refinement	xplor-NIH		G. Marius Clore , Guillermo Bermejo, , John Kuszewski, Charles D. Schwieters, and Nico Tjandra
2	structure calculation	xplor-NIH		G. Marius Clore , Guillermo Bermejo, , John Kuszewski, Charles D. Schwieters, and Nico Tjandra
3	chemical shift assignment	Sparky		Goddard
4	peak picking	Sparky		Goddard