2H7A

NMR Structure of the Conserved Protein YcgL from Escherichia coli representing the DUF709 Family Reveals a Novel a/b/a Sandwich Fold

SOLUTION NMR

NMR Experiment
Experiment	Type	Sample Contents	Solvent	Ionic Strength	pH	Pressure	Temperature (K)	Spectrometer
1	2D NOESY	50mM phosphate buffer, pH 6.8, 150mM NaCl, 15mM DTT, 0.02% (w/v) sodium azide	10% D2O, 90% H2O	150mM NaCl	6.8	AMBIENT	308
2	3D_15N-separated_NOESY	50mM phosphate buffer, pH 6.8, 150mM NaCl, 15mM DTT, 0.02% (w/v) sodium azide	10% D2O, 90% H2O	150mM NaCl	6.8	AMBIENT	308
3	3D_13C-separated_NOESY	50mM phosphate buffer, pH 6.8, 150mM NaCl, 15mM DTT, 0.02% (w/v) sodium azide	10% D2O, 90% H2O	150mM NaCl	6.8	AMBIENT	308
4	2D TOCSY	50mM phosphate buffer, pH 6.8, 150mM NaCl, 15mM DTT, 0.02% (w/v) sodium azide	10% D2O, 90% H2O	150mM NaCl	6.8	AMBIENT	308
5	HNHA	50mM phosphate buffer, pH 6.8, 150mM NaCl, 15mM DTT, 0.02% (w/v) sodium azide	10% D2O, 90% H2O	150mM NaCl	6.8	AMBIENT	308
6	HNCACB	50mM phosphate buffer, pH 6.8, 150mM NaCl, 15mM DTT, 0.02% (w/v) sodium azide	10% D2O, 90% H2O	150mM NaCl	6.8	AMBIENT	308
7	CBCA(CO)NH	50mM phosphate buffer, pH 6.8, 150mM NaCl, 15mM DTT, 0.02% (w/v) sodium azide	10% D2O, 90% H2O	150mM NaCl	6.8	AMBIENT	308
8	HN(CA)CO	50mM phosphate buffer, pH 6.8, 150mM NaCl, 15mM DTT, 0.02% (w/v) sodium azide	10% D2O, 90% H2O	150mM NaCl	6.8	AMBIENT	308
9	HNHA	50mM phosphate buffer, pH 6.8, 150mM NaCl, 15mM DTT, 0.02% (w/v) sodium azide	10% D2O, 90% H2O	150mM NaCl	6.8	AMBIENT	308
10	HBHA(CO)NH	50mM phosphate buffer, pH 6.8, 150mM NaCl, 15mM DTT, 0.02% (w/v) sodium azide	10% D2O, 90% H2O	150mM NaCl	6.8	AMBIENT	308
11	3D HCCH-TOCSY	50mM phosphate buffer, pH 6.8, 150mM NaCl, 15mM DTT, 0.02% (w/v) sodium azide	10% D2O, 90% H2O	150mM NaCl	6.8	AMBIENT	308
12	1H-15N TOCSY-HMQC	50mM phosphate buffer, pH 6.8, 150mM NaCl, 15mM DTT, 0.02% (w/v) sodium azide	10% D2O, 90% H2O	150mM NaCl	6.8	AMBIENT	308

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

NMR Refinement
Method	Details	Software
torsion angle dynamics		XwinNMR

NMR Ensemble Information
Conformer Selection Criteria	structures with the lowest energy
Conformers Calculated Total Number	40
Conformers Submitted Total Number	20
Representative Model	1 (lowest energy)

Additional NMR Experimental Information
Details	THE STRUCTURE WAS DETERMINED USING STANDARD HOMONUCLEAR AND HETERONUCLEAR NMR EXPERIMENTS

Computation: NMR Software
#	Classification	Version	Software Name	Author
1	collection	XwinNMR
2	processing	NMRPipe		Frank Delaglio
3	data analysis	CARA	135	Rochus Keller
4	data analysis	XEASY
5	structure solution	CYANA	2.1	Peter Guntert
6	refinement	XPLOR-NIH	2112

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 R01GM157729.