5XE4

NMR solution structure of the aromatic mutant H43W H67F cytochrome b5

SOLUTION NMR

---

NMR Experiment
Experiment	Type	Sample Contents	Solvent	Ionic Strength	pH	Pressure	Temperature (K)	Spectrometer
1	2D 1H-15N HSQC	0.5 mM [U-99% 15N] WF cytochrome b5	90% H2O/10% D2O	60 mM	7	101 Pa	283	Varian Uniform NMR System 600
2	3D HNCACB	0.5 mM [U-13C; U-15N] WF cytochrome b5	90% H2O/10% D2O	60 mM	7	101 Pa	283	Varian Uniform NMR System 600
3	3D CBCA(CO)NH	0.5 mM [U-13C; U-15N] WF cytochrome b5	90% H2O/10% D2O	60 mM	7	101 Pa	283	Varian Uniform NMR System 600
4	3D HNCA	0.5 mM [U-13C; U-15N] WF cytochrome b5	90% H2O/10% D2O	60 mM	7	101 Pa	283	Bruker AVANCE 700
5	3D HN(CO)CA	0.5 mM [U-13C; U-15N] WF cytochrome b5	90% H2O/10% D2O	60 mM	7	101 Pa	283	Bruker AVANCE 700
6	3D NOESY-HSQC	0.5 mM [U-99% 15N] WF cytochrome b5	90% H2O/10% D2O	60 mM	7	101 Pa	283	Varian Uniform NMR System 600
7	2D NOE	0.5 mM [U-99% 15N] WF cytochrome b5	90% H2O/10% D2O	60 mM	7	101 Pa	283	Varian Uniform NMR System 600

NMR Spectrometer Information
Spectrometer	Manufacturer	Model	Field Strength
1	Varian	Uniform NMR System	600
2	Bruker	AVANCE	700

NMR Refinement
Method	Details	Software
simulated annealing		CNS

NMR Ensemble Information
Conformer Selection Criteria	structures with the least restraint violations
Conformers Calculated Total Number	50
Conformers Submitted Total Number	20
Representative Model	1 (lowest energy)

Computation: NMR Software
#	Classification	Version	Software Name	Author
1	refinement	CNS		Brunger A. T. et.al.
2	structure calculation	CYANA		Guntert, Mumenthaler and Wuthrich
3	chemical shift assignment	CcpNMR		CCPN
4	peak picking	CcpNMR		CCPN