1AO8

DIHYDROFOLATE REDUCTASE COMPLEXED WITH METHOTREXATE, NMR, 21 STRUCTURES

SOLUTION NMR

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NMR Experiment
Experiment	Type	Sample Contents	Solvent	Ionic Strength	pH	Pressure	Temperature (K)	Spectrometer
1	COSY			150 mM	6.5		308
2	NOESY			150 mM	6.5		308
3	ROESY			150 mM	6.5		308
4	HNHA			150 mM	6.5		308
5	HNHB			150 mM	6.5		308
6	HSQC			150 mM	6.5		308
7	3D-1H/13C-NOESY-HMQC			150 mM	6.5		308
8	3D-1H/ 15N-HMQC-NOESY-HMQC			150 mM	6.5		308
9	1H/15N-NOESY-HSQC			150 mM	6.5		308
10	4D-13C/ 13C-EDITED-NOESY			150 mM	6.5		308

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

NMR Refinement
Method	Details	Software
simulated annealing	REFINEMENT DETAILS CAN BE FOUND IN THE J. MOL. BIOL. PAPER, GARGARO ET AL. CITED ABOVE.	X-PLOR

NMR Ensemble Information
Conformer Selection Criteria	NO NOE VIOLATION
Conformers Calculated Total Number	21
Conformers Submitted Total Number	21

Computation: NMR Software
#	Classification	Version	Software Name	Author
1	refinement	X-PLOR		BRUNGER
2	structure solution	XPLOR