1L3G

NMR Structure of the DNA-binding Domain of Cell Cycle Protein, Mbp1(2-124) from Saccharomyces cerevisiae

SOLUTION NMR

NMR Experiment
Experiment	Type	Sample Contents	Solvent	Ionic Strength	pH	Pressure	Temperature (K)	Spectrometer
1	3D_15N-separated_NOESY	Mbp1 U-15N,13C 40mM Na-Phosphate, 100mM NaCl	90% H2O/10% D2O		7.6		288
2	3D_13C-separated_NOESY	Mbp1 U-15N, 40mM Na-Phosphate, 100mM NaCl	90% H2O/10% D2O
3	HNHA

NMR Spectrometer Information
Spectrometer	Manufacturer	Model	Field Strength
1	Varian	INOVA	600
2	Varian	UNITY	600
3	Varian	UNITYPLUS	500

NMR Refinement
Method	Details	Software
simulated annealing, energy minimization	13 C-terminal tag residues (KLAAALEHHHHHH) were excluded from structure calculations.	DYANA

NMR Ensemble Information
Conformer Selection Criteria	A total of 1000 conformers calculated. 100 conformers with low target function selected for refinement. Final set comprises 19 conformers with least restraint violation.
Conformers Calculated Total Number	1000
Conformers Submitted Total Number	19
Representative Model	9 (closest to the average)

Additional NMR Experimental Information
Details	2D J-modulated HSQC experiments were recorded on partially aligned U15N labelled sample to measure residual dipolar couplings

Computation: NMR Software
#	Classification	Version	Software Name	Author
1	structure solution	DYANA	1.5	Guntert
2	processing	NMRPipe	1.8	Delaglio
3	collection	VNMR	6.1B	Varian
4	refinement	X-PLOR	3.8	Brunger
5	structure solution	TALOS	98.040.21.02	Cornilescu

RCSB PDB Core Operations are funded by the U.S. National Science Foundation (DBI-2321666), the US Department of Energy (DE-SC0019749), and the National Cancer Institute, National Institute of Allergy and Infectious Diseases, and National Institute of General Medical Sciences of the National Institutes of Health under grant R01GM157729.