5SZW

NMR solution structure of the RRM1 domain of the post-transcriptional regulator HuR

SOLUTION NMR

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NMR Experiment
Experiment	Type	Sample Contents	Solvent	Ionic Strength	pH	Pressure	Temperature (K)	Spectrometer
1	2D 1H-15N HSQC	1.5 mM [U-15N] HuR_RRM1, 30 mM sodium phosphate, 100 mM sodium chloride, 10 mM DTT	90% H2O/10% D2O	100 mM	6.0	1 atm	298	Bruker AVANCE III 800
2	2D 1H-13C HSQC aliphatic	1.5 mM [U-100% 13C; U-100% 15N] HuR_RRM1, 30 mM sodium phosphate, 100 mM sodium chloride, 10 mM DTT	90% H2O/10% D2O	100 mM	6.0	1 atm	298	Bruker DRX 600
3	2D 1H-13C HSQC aromatic	1.5 mM [U-100% 13C; U-100% 15N] HuR_RRM1, 30 mM sodium phosphate, 100 mM sodium chloride, 10 mM DTT	90% H2O/10% D2O	100 mM	6.0	1 atm	298	Bruker DRX 600
4	3D HNCACB	1.5 mM [U-100% 13C; U-100% 15N] HuR_RRM1, 30 mM sodium phosphate, 100 mM sodium chloride, 10 mM DTT	90% H2O/10% D2O	100 mM	6.0	1 atm	298	Bruker DRX 600
5	3D CBCA(CO)NH	1.5 mM [U-100% 13C; U-100% 15N] HuR_RRM1, 30 mM sodium phosphate, 100 mM sodium chloride, 10 mM DTT	90% H2O/10% D2O	100 mM	6.0	1 atm	298	Bruker DRX 600
9	3D HNCO	1.5 mM [U-100% 13C; U-100% 15N] HuR_RRM1, 30 mM sodium phosphate, 100 mM sodium chloride, 10 mM DTT	90% H2O/10% D2O	100 mM	6.0	1 atm	298	Bruker DRX 600
8	3D HN(CA)CO	1.5 mM [U-100% 13C; U-100% 15N] HuR_RRM1, 30 mM sodium phosphate, 100 mM sodium chloride, 10 mM DTT	90% H2O/10% D2O	100 mM	6.0	1 atm	298	Bruker DRX 600
7	3D HBHA(CO)NH	1.5 mM [U-100% 13C; U-100% 15N] HuR_RRM1, 30 mM sodium phosphate, 100 mM sodium chloride, 10 mM DTT	90% H2O/10% D2O	100 mM	6.0	1 atm	298	Bruker DRX 600
6	3D (H)CC(CO)NH	1.5 mM [U-100% 13C; U-100% 15N] HuR_RRM1, 30 mM sodium phosphate, 100 mM sodium chloride, 10 mM DTT	90% H2O/10% D2O	100 mM	6.0	1 atm	298	Bruker AVANCE III 800
10	3D HCCH-TOCSY	1.5 mM [U-100% 13C; U-100% 15N] HuR_RRM1, 30 mM sodium phosphate, 100 mM sodium chloride, 10 mM DTT	90% H2O/10% D2O	100 mM	6.0	1 atm	298	Bruker DRX 600
11	3D 1H-13C NOESY aromatic	1.5 mM [U-100% 13C; U-100% 15N] HuR_RRM1, 30 mM sodium phosphate, 100 mM sodium chloride, 10 mM DTT	90% H2O/10% D2O	100 mM	6.0	1 atm	298	Bruker AVANCE III 800

NMR Spectrometer Information
Spectrometer	Manufacturer	Model	Field Strength
1	Bruker	DRX	600
2	Bruker	AVANCE III	800

NMR Refinement
Method	Details	Software
simulated annealing		CNS

NMR Ensemble Information
Conformer Selection Criteria	structures with the lowest energy
Conformers Calculated Total Number	400
Conformers Submitted Total Number	20
Representative Model	1 (lowest energy)

Computation: NMR Software
#	Classification	Version	Software Name	Author
1	processing	TopSpin	3.1	Bruker Biospin
2	chemical shift assignment	CARA		Keller and Wuthrich
3	data analysis	CcpNMR		CCPN
4	refinement	CNS		Brunger, Adams, Clore, Gros, Nilges and Read
5	structure calculation	CNS		Brunger, Adams, Clore, Gros, Nilges and Read