2ITH

NMR Structure of Haloferax volcanii DHFR

SOLUTION NMR

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NMR Experiment
Experiment	Type	Sample Contents	Solvent	Ionic Strength	pH	Pressure	Temperature (K)	Spectrometer
1	HSQC	2 mM Protein Sample in 3.5M NaCl, 10mM TRIS BUFFER, 95% H2O, 5% D2O	95% H2O/5% D2O	3.5 M NaCl	7.0	1 atm	298
2	HNCA	2 mM Protein Sample in 3.5M NaCl, 10mM TRIS BUFFER, 95% H2O, 5% D2O	95% H2O/5% D2O	3.5 M NaCl	7.0	1 atm	298
3	HNCACB	2 mM Protein Sample in 3.5M NaCl, 10mM TRIS BUFFER, 95% H2O, 5% D2O	95% H2O/5% D2O	3.5 M NaCl	7.0	1 atm	298
4	CBCAHN	2 mM Protein Sample in 3.5M NaCl, 10mM TRIS BUFFER, 95% H2O, 5% D2O	95% H2O/5% D2O	3.5 M NaCl	7.0	1 atm	298
5	HNCO	2 mM Protein Sample in 3.5M NaCl, 10mM TRIS BUFFER, 95% H2O, 5% D2O	95% H2O/5% D2O	3.5 M NaCl	7.0	1 atm	298
6	HNCACO	2 mM Protein Sample in 3.5M NaCl, 10mM TRIS BUFFER, 95% H2O, 5% D2O	95% H2O/5% D2O	3.5 M NaCl	7.0	1 atm	298
7	(H)C(C-CO)NH-TOCSY	2 mM Protein Sample in 3.5M NaCl, 10mM TRIS BUFFER, 95% H2O, 5% D2O	95% H2O/5% D2O	3.5 M NaCl	7.0	1 atm	298
8	H(CC-CO)NH-TOCSY	2 mM Protein Sample in 3.5M NaCl, 10mM TRIS BUFFER, 95% H2O, 5% D2O	95% H2O/5% D2O	3.5 M NaCl	7.0	1 atm	298
9	HCCH-TOCSY	2 mM Protein Sample in 3.5M NaCl, 10mM TRIS BUFFER, 95% H2O, 5% D2O	95% H2O/5% D2O	3.5 M NaCl	7.0	1 atm	298
10	15N-edited_NOESY	2 mM Protein Sample in 3.5M NaCl, 10mM TRIS BUFFER, 95% H2O, 5% D2O	95% H2O/5% D2O	3.5 M NaCl	7.0	1 atm	298
11	13C-edited_NOESY	2 mM Protein Sample in 3.5M NaCl, 10mM TRIS BUFFER, 95% H2O, 5% D2O	95% H2O/5% D2O	3.5 M NaCl	7.0	1 atm	298

NMR Spectrometer Information
Spectrometer	Manufacturer	Model	Field Strength
1	Bruker	AVANCE	600
2	Varian	INOVA	500

NMR Refinement
Method	Details	Software
simulated annealing		CNS

NMR Ensemble Information
Conformer Selection Criteria	structures with the least restraint violations
Conformers Calculated Total Number	100
Conformers Submitted Total Number	20
Representative Model	1 (lowest energy)

Computation: NMR Software
#	Classification	Version	Software Name	Author
1	refinement	CNS	1.1	Brunger, A.T. et al.