2LYV

Solution structure of the two RRM domains of hnRNP A1 (UP1) using segmental isotope labeling

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	0.8-1.2 mM [U-15N] UP1, 10 mM sodium phosphate, 1 mM DTT	90% H2O/10% D2O	10	6.5	ambient	303
2	2D 1H-13C HSQC aliphatic	0.8-1.2 mM [U-13C; U-15N] UP1, 10 mM sodium phosphate, 1 mM DTT	90% H2O/10% D2O	10	6.5	ambient	303
3	2D 1H-13C HSQC aromatic	0.8-1.2 mM [U-13C; U-15N] UP1, 10 mM sodium phosphate, 1 mM DTT	90% H2O/10% D2O	10	6.5	ambient	303
4	3D HNCA	0.8-1.2 mM [U-13C; U-15N] UP1, 10 mM sodium phosphate, 1 mM DTT	90% H2O/10% D2O	10	6.5	ambient	303
5	3D HNCACB	0.8-1.2 mM [U-13C; U-15N] UP1, 10 mM sodium phosphate, 1 mM DTT	90% H2O/10% D2O	10	6.5	ambient	303
6	3D CBCA(CO)NH	0.8-1.2 mM [U-13C; U-15N] UP1, 10 mM sodium phosphate, 1 mM DTT	90% H2O/10% D2O	10	6.5	ambient	303
7	3D HNCO	0.8-1.2 mM [U-13C; U-15N] UP1, 10 mM sodium phosphate, 1 mM DTT	90% H2O/10% D2O	10	6.5	ambient	303
8	3D HN(CA)CO	0.8-1.2 mM [U-13C; U-15N] UP1, 10 mM sodium phosphate, 1 mM DTT	90% H2O/10% D2O	10	6.5	ambient	303
9	3D H(CCO)NH	0.8-1.2 mM [U-13C; U-15N] UP1, 10 mM sodium phosphate, 1 mM DTT	90% H2O/10% D2O	10	6.5	ambient	303
10	3D C(CO)NH	0.8-1.2 mM [U-13C; U-15N] UP1, 10 mM sodium phosphate, 1 mM DTT	90% H2O/10% D2O	10	6.5	ambient	303
11	3D 1H-15N NOESY	0.8-1.2 mM [U-15N] UP1, 10 mM sodium phosphate, 1 mM DTT	90% H2O/10% D2O	10	6.5	ambient	303
12	3D 1H-13C NOESY aromatic	0.8-1.2 mM [U-13C; U-15N] UP1, 10 mM sodium phosphate, 1 mM DTT	90% H2O/10% D2O	10	6.5	ambient	303
13	3D 1H-13C NOESY aliphatic	0.8-1.2 mM [U-13C; U-15N] UP1, 10 mM sodium phosphate, 1 mM DTT	90% H2O/10% D2O	10	6.5	ambient	303
14	2D 1H-1H NOESY	0.8-1.2 mM [U-15N] UP1, 10 mM sodium phosphate, 1 mM DTT	100% D2O	10	6.5	ambient	303
15	2D 1H-1H TOCSY	0.8-1.2 mM [U-15N] UP1, 10 mM sodium phosphate, 1 mM DTT	100% D2O	10	6.5	ambient	303
16	2D 1H-15N IPAP HSQC	0.8-1.2 mM [U-15N] UP1, 10 mM sodium phosphate, 1 mM DTT	90% H2O/10% D2O	10	6.5	ambient	303
17	2D long-range 1H-15N HSQC	0.8-1.2 mM [U-15N] UP1, 10 mM sodium phosphate, 1 mM DTT	90% H2O/10% D2O	10	6.5	ambient	303
18	3D 13C F1-edited F3-filtered NOESY-HSQC	1.0 mM RRM1[U-13C, U-15N]-RRM2[natural abundance] UP1, 10 mM sodium phosphate, 1 mM DTT	100% D2O	10	6.5	ambient	303
19	2D 1H-15N IPAP HSQC	0.8-1.2 mM [U-15N] UP1, 10 mM sodium phosphate, 1 mM DTT	90% H2O/10% D2O	10	6.5	ambient	303

NMR Spectrometer Information
Spectrometer	Manufacturer	Model	Field Strength
1	Bruker	AVANCE	500
2	Bruker	AVANCE	600
3	Bruker	AVANCE	700
4	Bruker	AVANCE	750
5	Bruker	AVANCE	900

NMR Refinement
Method	Details	Software
simulated annealing		TopSpin

NMR Ensemble Information
Conformer Selection Criteria	structures with the lowest energy
Conformers Calculated Total Number	100
Conformers Submitted Total Number	20
Representative Model	1 (lowest energy)

Computation: NMR Software
#	Classification	Version	Software Name	Author
1	collection	TopSpin	2.1	Bruker Biospin
2	processing	TopSpin	2.1	Bruker Biospin
3	data analysis	Sparky		Goddard
4	chemical shift assignment	Sparky		Goddard
5	structure solution	CYANA	3.0	Guntert
6	refinement	CNS	1.3	Brunger, Adams, Clore, Gros, Nilges and Read
7	data analysis	TALOS	talos+	Cornilescu, Delaglio and Bax
8	data analysis	ProcheckNMR		Laskowski and MacArthur