1PU1

Solution structure of the Hypothetical protein mth677 from Methanothermobacter Thermautotrophicus

SOLUTION NMR

NMR Experiment
Experiment	Type	Sample Contents	Solvent	Ionic Strength	pH	Pressure	Temperature (K)	Spectrometer
1	2D NOESY	1.2mM U-15N protein, 25mM sodium phosphate buffer pH 7.0, 450mM NaCl, 10mM DTT, 20uM ZnCl2, 1mM benzamidine, 90% H2O, 10% D2O	90% H2O/10% D2O		7.0	ambient	298
2	4D-13C-separated_NOESY	1.0mM U-15N,13C protein, 25mM sodium phosphate buffer pH 7.0, 450mM NaCl, 10mM DTT, 20uM ZnCl2, 1mM benzamidine	100% D2O		7.0	ambient	298
3	3D_15N-separated_NOESY	1.2mM U-15N protein, 25mM sodium phosphate buffer pH 7.0, 450mM NaCl, 10mM DTT, 20uM ZnCl2, 1mM benzamidine, 90% H2O, 10% D2O	90% H2O/10% D2O		7.0	ambient	298
4	HNHB	1.2mM U-15N protein, 25mM sodium phosphate buffer pH 7.0, 450mM NaCl, 10mM DTT, 20uM ZnCl2, 1mM benzamidine, 90% H2O, 10% D2O	90% H2O/10% D2O		7.0	ambient	298

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

NMR Refinement
Method	Details	Software
distance geometry plus molecular mechanics	NOE derived distance constraints: 1020, Hydrogen bond constraints: 44, Angle constraints: 165	XwinNMR

NMR Ensemble Information
Conformer Selection Criteria	structures with the least restraint violations
Conformers Calculated Total Number	34
Conformers Submitted Total Number	30
Representative Model	22 (lowest energy)

Computation: NMR Software
#	Classification	Version	Software Name	Author
1	collection	XwinNMR	3.1	Bruker
2	processing	NMRPipe	2.2	Delaglio
3	data analysis	NMRView	4	Johnson
4	structure solution	CYANA	1.0.5	Guentert
5	refinement	Amber	7.0	UCSF

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.