2KXF

Solution structure of the first two RRM domains of FBP-interacting repressor (FIR)

SOLUTION NMR

NMR Experiment
Experiment	Type	Sample Contents	Solvent	Ionic Strength	pH	Pressure	Temperature (K)	Spectrometer
1	3D CBCA(CO)NH	0.3-0.4 mM [U-13C; U-15N] entity-5, 10 mM TRIS-HCl pH 8.0-6, 50 mM sodium chloride-7, 2 mM TCEP-8	90% H2O/10% D2O	0.06	8.0	ambient	310
2	3D HN(COCA)CB	0.3-0.4 mM [U-13C; U-15N; U70%-2H] entity-9, 10 mM TRIS-HCl pH 8.0-10, 50 mM sodium chloride-11, 2 mM TCEP-12	90% H2O/10% D2O	0.06	8.0	ambient	310
3	3D HNCA	0.3-0.4 mM [U-13C; U-15N] entity-5, 10 mM TRIS-HCl pH 8.0-6, 50 mM sodium chloride-7, 2 mM TCEP-8	90% H2O/10% D2O	0.06	8.0	ambient	310
4	3D HNCA	0.3-0.4 mM [U-13C; U-15N; U70%-2H] entity-9, 10 mM TRIS-HCl pH 8.0-10, 50 mM sodium chloride-11, 2 mM TCEP-12	90% H2O/10% D2O	0.06	8.0	ambient	310
5	3D HN(CO)CA	0.3-0.4 mM [U-13C; U-15N] entity-5, 10 mM TRIS-HCl pH 8.0-6, 50 mM sodium chloride-7, 2 mM TCEP-8	90% H2O/10% D2O	0.06	8.0	ambient	310
6	3D HNCO	0.3-0.4 mM [U-13C; U-15N] entity-5, 10 mM TRIS-HCl pH 8.0-6, 50 mM sodium chloride-7, 2 mM TCEP-8	90% H2O/10% D2O	0.06	8.0	ambient	310
7	3D HNCACB	0.3-0.4 mM [U-13C; U-15N; U70%-2H] entity-9, 10 mM TRIS-HCl pH 8.0-10, 50 mM sodium chloride-11, 2 mM TCEP-12	90% H2O/10% D2O	0.06	8.0	ambient	310
8	3D HNCACB	0.3-0.4 mM [U-13C; U-15N] entity-5, 10 mM TRIS-HCl pH 8.0-6, 50 mM sodium chloride-7, 2 mM TCEP-8	90% H2O/10% D2O	0.06	8.0	ambient	310
9	3D HCCH-TOCSY	0.3-0.4 mM [U-13C; U-15N] entity-5, 10 mM TRIS-HCl pH 8.0-6, 50 mM sodium chloride-7, 2 mM TCEP-8	90% H2O/10% D2O	0.06	8.0	ambient	310
10	3D 1H-15N TOCSY	0.3-0.4 mM [U-15N] entity-1, 10 mM TRIS-HCl pH 8.0-2, 50 mM sodium chloride-3, 2 mM TCEP-4	90% H2O/10% D2O	0.06	8.0	ambient	310
11	3D 1H-13C NOESY	0.3-0.4 mM [U-13C; U-15N] entity-5, 10 mM TRIS-HCl pH 8.0-6, 50 mM sodium chloride-7, 2 mM TCEP-8	90% H2O/10% D2O	0.06	8.0	ambient	310
12	3D 1H-13C NOESY optimised for aromatics	0.3-0.4 mM [U-13C; U-15N] entity-5, 10 mM TRIS-HCl pH 8.0-6, 50 mM sodium chloride-7, 2 mM TCEP-8	90% H2O/10% D2O	0.06	8.0	ambient	310
13	3D 1H-15N NOESY	0.3-0.4 mM [U-15N] entity-1, 10 mM TRIS-HCl pH 8.0-2, 50 mM sodium chloride-3, 2 mM TCEP-4	90% H2O/10% D2O	0.06	8.0	ambient	310

NMR Spectrometer Information
Spectrometer	Manufacturer	Model	Field Strength
1	Varian	INOVA	800
2	Bruker	AVANCE	600
3	Bruker	AVANCE	700

NMR Refinement
Method	Details	Software
simulated annealing		ARIA

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

Computation: NMR Software
#	Classification	Version	Software Name	Author
1	data analysis	ARIA	1.2	Linge, O'Donoghue and Nilges
2	refinement	ARIA	1.2	Linge, O'Donoghue and Nilges
3	structure solution	ARIA	1.2	Linge, O'Donoghue and Nilges
4	processing	NMRPipe		Delaglio, Grzesiek, Vuister, Zhu, Pfeifer and Bax
5	chemical shift assignment	Sparky		Goddard
6	data analysis	Sparky		Goddard
7	peak picking	Sparky		Goddard
8	data analysis	XEASY		Bartels et al.

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 R01GM133198.