1F0Z

SOLUTION STRUCTURE OF THIS, THE SULFUR CARRIER PROTEIN IN E.COLI THIAMIN BIOSYNTHESIS

SOLUTION NMR

NMR Experiment
Experiment	Type	Sample Contents	Solvent	Ionic Strength	pH	Pressure	Temperature (K)	Spectrometer
1	3D_15N-separated_NOESY	1 mM ThiS U-15N; 25 mM sodium phosphate, 5 mM DTT, 5 mg/ml pepstatin, 50 microM EDTA, 50 microM chloramphenicol	93% H2O/7% D2O	25 mM sodium phosphate	6.6	ambient	298
2	3D_13C-separated_NOESY	1 mM ThiS U-15N, 13C; 25 mM sodium phosphate, 5 mM DTT, 5 mg/ml pepstatin, 50 microM EDTA, 50 microM chloramphenicol	100% D2O	25 mM sodium phosphate	6.6	ambient	298
3	3D_13C-separated_NOESY	1 mM ThiS U-15N, 13C; 25 mM sodium phosphate, 5 mM DTT, 5 mg/ml pepstatin, 50 microM EDTA, 50 microM chloramphenicol	93% H2O/7% D2O	25 mM sodium phosphate	6.6	ambient	298
4	2D NOESY	1 mM ThiS NA; 25 mM sodium phosphate, 5 mM DTT, 5 mg/ml pepstatin, 50 microM EDTA, 50 microM chloramphenicol	93% H2O/7% D2O	25 mM sodium phosphate	6.6	ambient	298
5	HNHA	1 mM ThiS U-15N; 25 mM sodium phosphate, 5 mM DTT, 5 mg/ml pepstatin, 50 microM EDTA, 50 microM chloramphenicol	93% H2O/7% D2O	25 mM sodium phosphate	6.6	ambient	298
6	HMQC-J	1 mM ThiS U-15N; 25 mM sodium phosphate, 5 mM DTT, 5 mg/ml pepstatin, 50 microM EDTA, 50 microM chloramphenicol	93% H2O/7% D2O	25 mM sodium phosphate	6.6	ambient	298

NMR Spectrometer Information
Spectrometer	Manufacturer	Model	Field Strength
1	Varian	INOVA	600

NMR Refinement
Method	Details	Software
distance geometry simulated annealing molecular dynamics	The structures are based on a total of 882 restraints, 802 are NOE-derived distance constraints, 64 dihedral angle restraints, 16 distance restraints from hydrogen bonds	VNMR

NMR Ensemble Information
Conformer Selection Criteria	structures with the least restraint violations
Conformers Calculated Total Number	30
Conformers Submitted Total Number	24
Representative Model	1 (closest to the average)

Additional NMR Experimental Information
Details	The structure was determined using triple-resonance NMR spectroscopy

Computation: NMR Software
#	Classification	Version	Software Name	Author
1	collection	VNMR	6.1B	Varian Associates
2	processing	NMRPipe	1.7	Delaglio
3	data analysis	PIPP	1	Delaglio
4	structure solution	X-PLOR	3.851	Brunger
5	refinement	X-PLOR	3.851	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 R01GM157729.