2OSG | pdb_00002osg

Solution Structure and Binding Property of the Domain-swapped Dimer of ZO2PDZ2

SOLUTION NMR

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NMR Experiment
Experiment	Type	Sample Contents	Solvent	Ionic Strength	pH	Pressure	Temperature (K)	Spectrometer
1	2D NOESY	0.8mM ZO2PDZ2 domain, 20mM phosphate buffer (pH 6.5), 50mM NaCl, 1mM EDTA, 90% H2O, 10% D2O	90% H2O/10% D2O	20mM phosphate buffer, 50mM NaCl	6.5	1 atm	310
2	2D TOCSY	0.8mM ZO2PDZ2 domain, 20mM phosphate buffer (pH 6.5), 50mM NaCl, 1mM EDTA, 90% H2O, 10% D2O	90% H2O/10% D2O	20mM phosphate buffer, 50mM NaCl	6.5	1 atm	310
3	3D_15N-separated_NOESY	0.8mM 15N, 13C-labeled ZO2PDZ2 domain, 20mM phosphate buffer(pH 6.5), 50mM NaCl, 1mM EDTA, 90% H2O, 10% D2O	90% H2O/10% D2O	20mM phosphate buffer, 50mM NaCl	6.5	1 atm	310
4	3D_13C-separated_NOESY	0.8mM 15N, 13C-labeled ZO2PDZ2 domain, 20mM phosphate buffer (pH 6.5), 50mM NaCl, 1mM EDTA	100% D2O	20mM phosphate buffer, 50mM NaCl	6.5	1 atm	310
5	3D_13C F1-filtered,F3-edited NOESY	0.8mM 15N, 13C-labeled ZO2PDZ2 domain, 20mM phosphate buffer (pH 6.5), 50mM NaCl, 1mM EDTA	100% D2O	20mM phosphate buffer, 50mM NaCl	6.5	1 atm	310

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

NMR Refinement
Method	Details	Software
distance geometry, simulated annealing, molecular dynamics	the structures are based on a total of 3076 restraints, 2916 are NOE-derived distance constraints, 160 dihedral angle restraints,76 distance restraints from hydrogen bonds.	CNS

NMR Ensemble Information
Conformer Selection Criteria	structures with the lowest energy
Conformers Calculated Total Number	200
Conformers Submitted Total Number	20
Representative Model	1 (closest to the average)

Additional NMR Experimental Information
Details	Intermolecular interactions were identified in a 13C/15N-filtered (F1), 13C-edited(F3) 3D NOESY spectrum

Computation: NMR Software
#	Classification	Version	Software Name	Author
1	structure solution	CNS	1.1	A.T. Brunger
2	processing	NMRPipe	2.2	F. Delaglio and A. Bax
3	data analysis	MOLMOL	2k.2	Koradi
4	data analysis	TALOS		Cornilescu
5	data analysis	Sparky	3	T.D.Goddard and D.G.Kneller
6	refinement	CNS	1.1	A.T. Brunger