1Z8R

2A cysteine proteinase from human coxsackievirus B4 (strain JVB / Benschoten / New York / 51)

SOLUTION NMR

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NMR Experiment
Experiment	Type	Sample Contents	Solvent	Ionic Strength	pH	Pressure	Temperature (K)	Spectrometer
1	simultaneously acquired 15N- and 13C-edited 3D NOESY	0.50 mM U-15N U-13C 2A proteinase 10 mM DTT 90% H2O, 10% D2O	90% H2O/10% D2O	50 mM potassium phosphate	7.6	ambient	303

NMR Spectrometer Information
Spectrometer	Manufacturer	Model	Field Strength
1	Bruker	DRX	500
2	Bruker	DRX	600
3	Bruker	DRX	800

NMR Refinement
Method	Details	Software
torsion angle dynamics followed by cartesian slow-cool annealing energy minimisation	total of 1905 experimentally determined restraints, 1577 NOE-derived distance restraints, 168 dihedral angle restraints, 112 hydrogen bond distance restraints, 4 zinc-protein bond restraints, 16 zinc-protein angle restraints	XwinNMR

NMR Ensemble Information
Conformer Selection Criteria	structures with the lowest energy
Conformers Calculated Total Number	100
Conformers Submitted Total Number	17
Representative Model	1 (lowest energy)

Computation: NMR Software
#	Classification	Version	Software Name	Author
1	collection	XwinNMR	3.5	Bruker
2	processing	Felix	2000	Accelrys Inc, San Diego, CA
3	data analysis	Felix	2000	Accelrys Inc, San Diego, CA
4	structure solution	CNS	1.1	Brunger, et al.
5	refinement	CNS	1.1	Brunger, et al.