Experiment: 1Y9O

1H NMR Structure of Acylphosphatase from the hyperthermophile Sulfolobus Solfataricus

SOLUTION NMR

NMR Experiment
Experiment	Type	Sample Contents	Solvent	Ionic Strength	pH	Pressure	Temperature (K)	Spectrometer
1	2D TOCSY	0.4mM Sso AcP; 50mM phosphate buffer Na; 95% H2O, 5% D2O	95% H2O/5% D2O	50mM NaCl	5.7	ambient	310
2	2D NOESY	0.4mM Sso AcP; 50mM phosphate buffer Na; 95% H2O, 5% D2O	95% H2O/5% D2O	50mM NaCl	5.7	ambient	310
3	DQF-COSY	0.4mM Sso AcP; 50mM phosphate buffer Na; 95% H2O, 5% D2O	95% H2O/5% D2O	50mM NaCl	5.7	ambient	310
4	2D TOCSY	0.4mM Sso AcP; 50mM phosphate buffer Na; 100% D2O	100% D2O	50mM NaCl	5.7	ambient	310
5	2D NOESY	0.4mM Sso AcP; 50mM phosphate buffer Na; 100% D2O	100% D2O	50mM NaCl	5.7	ambient	310
6	DQF-COSY	0.4mM Sso AcP; 50mM phosphate buffer Na; 100% D2O	100% D2O	50mM NaCl	5.7	ambient	310

NMR Spectrometer Information
Spectrometer	Manufacturer	Model	Field Strength
1	Bruker	AVANCE	500

NMR Refinement
Method	Details	Software
restrained minimization	restrained dihedral angle molecular dynamics simulation was performed by using the program CYANA. The 20 best structures of the CYANA ensemble were submitted to restrained minimization using DISCOVER with the AMBER force field.	XwinNMR

NMR Ensemble Information
Conformer Selection Criteria	target function
Conformers Calculated Total Number	20
Conformers Submitted Total Number	20
Representative Model	1 (lowest energy)

Additional NMR Experimental Information
Details	This structure was determined using standard 2D homonuclear techniques. Spectra were acquired within 36 hours from sample preparation.

Computation: NMR Software
#	Classification	Version	Software Name	Author
1	collection	XwinNMR	2.6	Bruker BioSpin GmbH
2	processing	XwinNMR	2.6	Bruker Analytik GmbH
3	data analysis	Felix	2000	Krezel, A.M. et al.
4	structure solution	CYANA	1.0.6	Guntert, P. et al.
5	refinement	Discover	2.9.7