2M1B

Solution structure of the CHXR DNA-binding domain

SOLUTION NMR

---

NMR Experiment
Experiment	Type	Sample Contents	Solvent	Ionic Strength	pH	Pressure	Temperature (K)	Spectrometer
1	2D 1H-15N HSQC	1.5 mM [U-100% 13C; U-100% 15N] TRANSCRIPTIONAL REGULATORY PROTEIN	90% H2O/10% D2O	100	6.5	AMBIENT	298
2	3D HNCA	1.5 mM [U-100% 13C; U-100% 15N] TRANSCRIPTIONAL REGULATORY PROTEIN	90% H2O/10% D2O	100	6.5	AMBIENT	298
3	3D HN(CO)CA	1.5 mM [U-100% 13C; U-100% 15N] TRANSCRIPTIONAL REGULATORY PROTEIN	90% H2O/10% D2O	100	6.5	AMBIENT	298
4	3D HNCO	1.5 mM [U-100% 13C; U-100% 15N] TRANSCRIPTIONAL REGULATORY PROTEIN	90% H2O/10% D2O	100	6.5	AMBIENT	298
5	3D HBHA(CO)N 3D HNCACB	1.5 mM [U-100% 13C; U-100% 15N] TRANSCRIPTIONAL REGULATORY PROTEIN	90% H2O/10% D2O	100	6.5	AMBIENT	298
6	3D CBCA(CO)NH	1.5 mM [U-100% 13C; U-100% 15N] TRANSCRIPTIONAL REGULATORY PROTEIN	90% H2O/10% D2O	100	6.5	AMBIENT	298
7	3D C(CO)NH	1.5 mM [U-100% 13C; U-100% 15N] TRANSCRIPTIONAL REGULATORY PROTEIN	90% H2O/10% D2O	100	6.5	AMBIENT	298
8	3D H(CCO)NH	1.5 mM [U-100% 13C; U-100% 15N] TRANSCRIPTIONAL REGULATORY PROTEIN	90% H2O/10% D2O	100	6.5	AMBIENT	298
9	3D HCCH-TOCSY	1.5 mM [U-100% 13C; U-100% 15N] TRANSCRIPTIONAL REGULATORY PROTEIN	90% H2O/10% D2O	100	6.5	AMBIENT	298
10	3D 1H-15N NOESY	1.5 mM [U-100% 13C; U-100% 15N] TRANSCRIPTIONAL REGULATORY PROTEIN	90% H2O/10% D2O	100	6.5	AMBIENT	298
11	3D 1H-1 NOESY	1.5 mM [U-100% 13C; U-100% 15N] TRANSCRIPTIONAL REGULATORY PROTEIN	90% H2O/10% D2O	100	6.5	AMBIENT	298
12	2D 1H-13C HSQC	1.5 mM [U-100% 13C; U-100% 15N] TRANSCRIPTIONAL REGULATORY PROTEIN	90% H2O/10% D2O	100	6.5	AMBIENT	298

NMR Spectrometer Information
Spectrometer	Manufacturer	Model	Field Strength
1	Bruker	AVANCE	800

NMR Refinement
Method	Details	Software
simulated annealing		CNS

NMR Ensemble Information
Conformer Selection Criteria	structures with the lowest energy
Conformers Calculated Total Number	50
Conformers Submitted Total Number	25
Representative Model	1 (lowest energy)

Additional NMR Experimental Information
Details	Solution NMR structure was determined using noe distance and TALOS+ based dihedral angles

Computation: NMR Software
#	Classification	Version	Software Name	Author
1	refinement	CNS		BRUNGER, ADAMS, CLORE, GROS, NILGES
2	structure solution	Sparky		Goddard