1S40 | pdb_00001s40

SOLUTION STRUCTURE OF THE CDC13 DNA-BINDING DOMAIN COMPLEXED WITH A SINGLE-STRANDED TELOMERIC DNA 11-MER

SOLUTION NMR

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NMR Experiment
Experiment	Type	Sample Contents	Solvent	Ionic Strength	pH	Pressure	Temperature (K)	Spectrometer
1	2D NOESY	0.8-1.5mM unlabeled, 15N-labeled or 13C,15N-labeled protein; 0.9-1.7mM ssDNA; 50mM imidazole-d4, pH or pD* 7.0; 150mM NaCl; 100mM Na2SO4; 0.02% NaN3; 2mM DTT-d10 in 10% D2O/90% H2O or 100% D2O	10% D2O/90% H2O or 100% D2O	150mM NaCl, 100mM Na2SO4	7.0	ambient	303
2	3D_15N-separated_NOESY	150mM NaCl, 100mM Na2SO4	7.0	ambient	303
3	3D_13C-separated_NOESY	150mM NaCl, 100mM Na2SO4	7.0	ambient	303
4	4D_13C/15N-separated_NOESY	150mM NaCl, 100mM Na2SO4	7.0	ambient	303
5	4D_13C-separated_NOESY	150mM NaCl, 100mM Na2SO4	7.0	ambient	303
6	Isotope filtered NOESY	150mM NaCl, 100mM Na2SO4	7.0	ambient	303
7	Select-filtered NOESY	150mM NaCl, 100mM Na2SO4	7.0	ambient	303

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

NMR Refinement
Method	Details	Software
distance geometry, simulated annealing, molecular dynamics, matrix relaxation, torsion angle dynamics		X-PLOR

NMR Ensemble Information
Conformer Selection Criteria	structures with acceptable covalent geometry, structures with the lowest energy
Conformers Calculated Total Number	100
Conformers Submitted Total Number	10
Representative Model	1 (closest to the average)

Additional NMR Experimental Information
Details	Models superimposed using Douglas Theobald's THESEUS program for multiple superpositions, variance-weighted simultaneous superpositioning. The final weighted RMSD from the mean is 0.64152A over all alpha-carbon atoms

Computation: NMR Software
#	Classification	Version	Software Name	Author
1	structure solution	X-PLOR	3.851	Brunger
2	data analysis	NMRPipe		Delaglio, Grzesiek, Vuister, Zhu, Pfeifer, Bax
3	refinement	X-PLOR	3.851	Brunger