2N7B | pdb_00002n7b

Solution structure of the human Siglec-8 lectin domain in complex with 6'sulfo sialyl Lewisx

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	0.7-1.2 mM [U-100% 15N] Siglec, 20 mM potassium phosphate, 40 mM sodium chloride, 0.7-2.4 mM SUGAR (5-MER)	95% H2O/5% D2O	0.092	7.4	ambient	293
2	2D 1H-13C HSQC aliphatic	0.3-1.2 mM [U-100% 13C; U-100% 15N] Siglec, 20 mM potassium phosphate, 40 mM sodium chloride, 0.7-2.4 mM SUGAR (5-MER)	95% H2O/5% D2O	0.092	7.4	ambient	293
3	2D 1H-13C HSQC aromatic	0.3-1.2 mM [U-100% 13C; U-100% 15N] Siglec, 20 mM potassium phosphate, 40 mM sodium chloride, 0.7-2.4 mM SUGAR (5-MER)	95% H2O/5% D2O	0.092	7.4	ambient	293
4	3D HNCA	0.3-1.2 mM [U-100% 13C; U-100% 15N] Siglec, 20 mM potassium phosphate, 40 mM sodium chloride, 0.7-2.4 mM SUGAR (5-MER)	95% H2O/5% D2O	0.092	7.4	ambient	293
5	3D HNCACB	0.3-1.2 mM [U-100% 13C; U-100% 15N] Siglec, 20 mM potassium phosphate, 40 mM sodium chloride, 0.7-2.4 mM SUGAR (5-MER)	95% H2O/5% D2O	0.092	7.4	ambient	293
6	3D CBCA(CO)NH	0.3-1.2 mM [U-100% 13C; U-100% 15N] Siglec, 20 mM potassium phosphate, 40 mM sodium chloride, 0.7-2.4 mM SUGAR (5-MER)	95% H2O/5% D2O	0.092	7.4	ambient	293
7	3D HNCO	0.3-1.2 mM [U-100% 13C; U-100% 15N] Siglec, 20 mM potassium phosphate, 40 mM sodium chloride, 0.7-2.4 mM SUGAR (5-MER)	95% H2O/5% D2O	0.092	7.4	ambient	293
8	3D HN(CO)CA	0.3-1.2 mM [U-100% 13C; U-100% 15N] Siglec, 20 mM potassium phosphate, 40 mM sodium chloride, 0.7-2.4 mM SUGAR (5-MER)	95% H2O/5% D2O	0.092	7.4	ambient	293
9	3D HCCH-TOCSY	0.3-1.2 mM [U-100% 13C; U-100% 15N] Siglec, 20 mM potassium phosphate, 40 mM sodium chloride, 0.7-2.4 mM SUGAR (5-MER)	100% D2O	0.092	7.4	ambient	293
10	3D 1H-15N NOESY	0.3-1.2 mM [U-100% 13C; U-100% 15N] Siglec, 20 mM potassium phosphate, 40 mM sodium chloride, 0.7-2.4 mM SUGAR (5-MER)	95% H2O/5% D2O	0.092	7.4	ambient	293
11	2D 1H-1H NOESY	0.3-1.2 mM [U-100% 15N] Siglec, 20 mM potassium phosphate, 40 mM sodium chloride, 0.7-2.4 mM SUGAR (5-MER)	100% D2O	0.092	7.4	ambient	293
12	3D 1H-13C NOESY aliphatic	0.3-1.2 mM [U-100% 13C; U-100% 15N] Siglec, 20 mM potassium phosphate, 40 mM sodium chloride, 0.7-2.4 mM SUGAR (5-MER)	95% H2O/5% D2O	0.092	7.4	ambient	293
13	3D 1H-13C NOESY aromatic	0.3-1.2 mM [U-100% 13C; U-100% 15N] Siglec, 20 mM potassium phosphate, 40 mM sodium chloride, 0.7-2.4 mM SUGAR (5-MER)	95% H2O/5% D2O	0.092	7.4	ambient	293
14	2D 1H-1H TOCSY	0.3-1.2 mM [U-100% 15N] Siglec, 20 mM potassium phosphate, 40 mM sodium chloride, 0.7-2.4 mM SUGAR (5-MER)	100% D2O	0.092	7.4	ambient	293
15	2D 13C F2-filtered NOESY	0.3-1.2 mM [U-100% 13C; U-100% 15N] Siglec, 20 mM potassium phosphate, 40 mM sodium chloride, 0.7-2.4 mM SUGAR (5-MER)	100% D2O	0.092	7.4	ambient	293
16	2D 13C F1-filtered TOCSY	0.3-1.2 mM [U-100% 13C; U-100% 15N] Siglec, 20 mM potassium phosphate, 40 mM sodium chloride, 0.7-2.4 mM SUGAR (5-MER)	100% D2O	0.092	7.4	ambient	293
17	2D 13C F1-filtered TOCSY	0.3-1.2 mM [U-100% 13C; U-100% 15N] Siglec, 20 mM potassium phosphate, 40 mM sodium chloride, 0.7-2.4 mM SUGAR (5-MER)	95% H2O/5% D2O	0.092	7.4	ambient	293
18	2D 13C F1-filtered F2-filtered NOESY	0.3-1.2 mM [U-100% 13C; U-100% 15N] Siglec, 20 mM potassium phosphate, 40 mM sodium chloride, 0.7-2.4 mM SUGAR (5-MER)	100% D2O	0.092	7.4	ambient	303
19	3D 13C F1-edited F3-filtered NOESY	0.3-1.2 mM [U-100% 13C; U-100% 15N] Siglec, 20 mM potassium phosphate, 40 mM sodium chloride, 0.7-2.4 mM SUGAR (5-MER)	100% D2O	0.092	7.4	ambient	303
20	2D 13C/15N F2-filtered NOESY	0.7-1.2 mM [U-100% 15N] Siglec, 20 mM potassium phosphate, 40 mM sodium chloride, 0.7-2.4 mM SUGAR (5-MER)	95% H2O/5% D2O	0.092	7.4	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	500
Conformers Submitted Total Number	20
Representative Model	1 (lowest energy)

Computation: NMR Software
#	Classification	Version	Software Name	Author
1	collection	TopSpin	3.0	Bruker Biospin
2	data analysis	TopSpin	3.0	Bruker Biospin
3	processing	TopSpin	3.0	Bruker Biospin
4	chemical shift assignment	Sparky	3.114	Goddard
5	data analysis	Sparky	3.114	Goddard
6	peak picking	ATNOS/CANDID	2.1	Herrmann, Guntert and Wuthrich
7	structure calculation	CYANA	3.0	Guntert, Mumenthaler and Wuthrich
8	protein backbone torsion angle prediction from nmr chemical shifts	TALOS+		Cornilescu, Delaglio and Bax
9	validation	ProcheckNMR	v.3.5.4	Laskowski and MacArthur
10	refinement	Amber	12	Case, D.A. et al.