Experiment: 1RKN

Solution structure of 1-110 fragment of Staphylococcal Nuclease with G88W mutation

SOLUTION NMR

NMR Experiment
Experiment	Type	Sample Contents	Solvent	Ionic Strength	pH	Pressure	Temperature (K)	Spectrometer
1	CBCA(CO)NH; HNCACB; HNCO; HNCA; HN(CO)CA; HNHA; HBHA(CO)NH	1-2mM G88W110-15N,13C labeled; 50mM Acetate buffer, DSS, NaN3; 90% H2O, 10% D2O	90% H2O/10% D2O	0.05	4.9	ambient	305
2	3D_13C-separated_NOESY	1-2mM G88W110-13C labeled; 50mM Acetate buffer, DSS, NaN3; 100% D2O	100% D2O	0.05	4.9	ambient	305
3	3D_15N-separated_NOESY	1-2mM G88W110-15N labeled; 50mM Acetate buffer, DSS, NaN3; 90% H2O, 10% D2O	90% H2O/10% D2O	0.05	4.9	ambient	305
4	HNHB; HN(CA)CO; CCONH; HCCONH; HCCH-TOCSY; HNCA-J	1-2mM G88W110-15N,13C labeled; 50mM Acetate buffer, DSS, NaN3; 90% H2O, 10% D2O	90% H2O/10% D2O	0.05	4.9	ambient	305

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

NMR Refinement
Method	Details	Software
simulated annealing	the structures are based on a total of 702 long and medium range noe restraints, and 169 phy and psi dihedral angle restraints driving from programe TALOS.	XwinNMR

NMR Ensemble Information
Conformer Selection Criteria	structures with the lowest energy
Conformers Calculated Total Number	50
Conformers Submitted Total Number	12

Additional NMR Experimental Information
Details	The structure was determined using triple-resonance NMR spectroscopy.

Computation: NMR Software
#	Classification	Version	Software Name	Author
1	collection	XwinNMR	2.0	Bruker
2	data analysis	Felix	98	MSI
3	structure solution	CNS	1.1
4	refinement	CNS	1.1