1EQ0

SOLUTION STRUCTURE OF 6-HYDROXYMETHYL-7,8-DIHYDROPTERIN PYROPHOSPHOKINASE COMPLEXED WITH MGAMPPCP

SOLUTION NMR

NMR Experiment
Experiment	Type	Sample Contents	Solvent	Ionic Strength	pH	Pressure	Temperature (K)	Spectrometer
1	3D_15N-separated_NOESY	1.5mM HPPK U-15N,13C; 20mM phosphate buffer A; 90% H2O, 10% D2O N	0% H2O, 10% D2O		7.4	1 atm	298
2	3D_13C-separated_NOESY	1.5mM HPPK U-15N,13C; 20mM phosphate buffer A; 90% H2O, 10% D2O N	0% H2O, 10% D2O		7.4	1 atm	298

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

NMR Refinement
Method	Details	Software
distance geometry simulated annealing		CNS

NMR Ensemble Information
Conformer Selection Criteria	back calculated data agree with experimental NOESY spectrum,structures with acceptable covalent geometry,structures with favorable non-bond energy,structures with the least restraint violations,structures with the lowest energy
Conformers Calculated Total Number	50
Conformers Submitted Total Number	20
Representative Model	1 (minimized average structure)

Computation: NMR Software
#	Classification	Version	Software Name	Author
1	refinement	CNS	0.9	Brunger
2	data analysis	NMRPipe		NIH
3	collection	VNMR	6.1	Varian
4	data analysis	NMRView	4.1	Merck

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.