2N3L

Solution structure of RNA recognition motif-1 of Plasmodium falciparum serine/arginine-rich protein 1.

SOLUTION NMR

NMR Experiment
Experiment	Type	Sample Contents	Solvent	Ionic Strength	pH	Pressure	Temperature (K)	Spectrometer
1	2D 1H-15N HSQC	0.5-1 mM [U-100% 13C; U-100% 15N] PfSR1-RRM1, 25 mM sodium phosphate, 100 mM sodium chloride, 3 mM TCEP, 50 mM L-arginine, 25 mM L-glutamate	90% H2O/10% D2O	125	5.9	ambient	298
2	2D 1H-13C HSQC aliphatic	0.5-1 mM [U-100% 13C; U-100% 15N] PfSR1-RRM1, 25 mM sodium phosphate, 100 mM sodium chloride, 3 mM TCEP, 50 mM L-arginine, 25 mM L-glutamate	90% H2O/10% D2O	125	5.9	ambient	298
3	2D 1H-13C HSQC aromatic	0.5-1 mM [U-100% 13C; U-100% 15N] PfSR1-RRM1, 25 mM sodium phosphate, 100 mM sodium chloride, 3 mM TCEP, 50 mM L-arginine, 25 mM L-glutamate	90% H2O/10% D2O	125	5.9	ambient	298
4	3D HNCO	0.5-1 mM [U-100% 13C; U-100% 15N] PfSR1-RRM1, 25 mM sodium phosphate, 100 mM sodium chloride, 3 mM TCEP, 50 mM L-arginine, 25 mM L-glutamate	90% H2O/10% D2O	125	5.9	ambient	298
5	3D HNCACB	0.5-1 mM [U-100% 13C; U-100% 15N] PfSR1-RRM1, 25 mM sodium phosphate, 100 mM sodium chloride, 3 mM TCEP, 50 mM L-arginine, 25 mM L-glutamate	90% H2O/10% D2O	125	5.9	ambient	298
6	3D CBCA(CO)NH	0.5-1 mM [U-100% 13C; U-100% 15N] PfSR1-RRM1, 25 mM sodium phosphate, 100 mM sodium chloride, 3 mM TCEP, 50 mM L-arginine, 25 mM L-glutamate	90% H2O/10% D2O	125	5.9	ambient	298
7	3D C(CO)NH	0.5-1 mM [U-100% 13C; U-100% 15N] PfSR1-RRM1, 25 mM sodium phosphate, 100 mM sodium chloride, 3 mM TCEP, 50 mM L-arginine, 25 mM L-glutamate	90% H2O/10% D2O	125	5.9	ambient	298
8	3D H(CCO)NH	0.5-1 mM [U-100% 13C; U-100% 15N] PfSR1-RRM1, 25 mM sodium phosphate, 100 mM sodium chloride, 3 mM TCEP, 50 mM L-arginine, 25 mM L-glutamate	90% H2O/10% D2O	125	5.9	ambient	298
9	3D 1H-15N NOESY	0.5-1 mM [U-100% 13C; U-100% 15N] PfSR1-RRM1, 25 mM sodium phosphate, 100 mM sodium chloride, 3 mM TCEP, 50 mM L-arginine, 25 mM L-glutamate	90% H2O/10% D2O	125	5.9	ambient	298
10	3D 1H-13C NOESY aromatic	0.5-1 mM [U-100% 13C; U-100% 15N] PfSR1-RRM1, 25 mM sodium phosphate, 100 mM sodium chloride, 3 mM TCEP, 50 mM L-arginine, 25 mM L-glutamate	90% H2O/10% D2O	125	5.9	ambient	298
11	3D 1H-13C NOESY aliphatic	0.5-1 mM [U-100% 13C; U-100% 15N] PfSR1-RRM1, 25 mM sodium phosphate, 100 mM sodium chloride, 3 mM TCEP, 50 mM L-arginine, 25 mM L-glutamate	90% H2O/10% D2O	125	5.9	ambient	298
12	3D 1H-13C NOESY aliphatic	0.5-1 mM [U-100% 13C; U-100% 15N] PfSR1-RRM1, 25 mM sodium phosphate, 100 mM sodium chloride, 3 mM TCEP, 50 mM L-arginine, 25 mM L-glutamate	100% D2O	125	5.9	ambient	298

NMR Spectrometer Information
Spectrometer	Manufacturer	Model	Field Strength
1	Bruker	AVANCE	500
2	Bruker	AVANCE	700

NMR Refinement
Method	Details	Software
DGSA-distance geometry simulated annealing, simulated annealing	Refinement in explicit water	TopSpin

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

Computation: NMR Software
#	Classification	Version	Software Name	Author
1	collection	TopSpin	2.1	Bruker Biospin
2	processing	TopSpin	2.1	Bruker Biospin
3	peak picking	CARA	1.8.4	Keller and Wuthrich
4	chemical shift assignment	CARA	1.8.4	Keller and Wuthrich
5	data analysis	CARA	1.8.4	Keller and Wuthrich
6	peak picking	CYANA		Guntert, Mumenthaler and Wuthrich
7	structure solution	CYANA		Guntert, Mumenthaler and Wuthrich
8	refinement	CNS	1.3	Brunger, Adams, Clore, Gros, Nilges and Read
9	refinement	CYANA

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.