2MWQ

Solution structure of PsbQ from spinacia oleracea

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 mM [U-13C; U-15N] PsbQ, 20 mM sodium phosphate, 50 uM sodium azide, 1 mM EDTA, 10 v/v [U-100% 2H] D2O	90% H2O/10% D2O	0.06	7.0	ambient	298.15
2	2D 1H-13C HSQC aliphatic	0.8 mM [U-13C; U-15N] PsbQ, 20 mM sodium phosphate, 50 uM sodium azide, 1 mM EDTA, 10 v/v [U-100% 2H] D2O	90% H2O/10% D2O	0.06	7.0	ambient	298.15
3	2D 1H-13C HSQC aromatic	0.8 mM [U-13C; U-15N] PsbQ, 20 mM sodium phosphate, 50 uM sodium azide, 1 mM EDTA, 10 v/v [U-100% 2H] D2O	90% H2O/10% D2O	0.06	7.0	ambient	298.15
4	3D CBCA(CO)NH	0.8 mM [U-13C; U-15N] PsbQ, 20 mM sodium phosphate, 50 uM sodium azide, 1 mM EDTA, 10 v/v [U-100% 2H] D2O	90% H2O/10% D2O	0.06	7.0	ambient	298.15
5	3D HCCH-TOCSY	0.8 mM [U-13C; U-15N] PsbQ, 20 mM sodium phosphate, 50 uM sodium azide, 1 mM EDTA, 10 v/v [U-100% 2H] D2O	90% H2O/10% D2O	0.06	7.0	ambient	298.15
6	3D (H)C(C)(CO)NH	0.8 mM [U-13C; U-15N] PsbQ, 20 mM sodium phosphate, 50 uM sodium azide, 1 mM EDTA, 10 v/v [U-100% 2H] D2O	90% H2O/10% D2O	0.06	7.0	ambient	298.15
7	3D HBHA(CO)NH	0.8 mM [U-13C; U-15N] PsbQ, 20 mM sodium phosphate, 50 uM sodium azide, 1 mM EDTA, 10 v/v [U-100% 2H] D2O	90% H2O/10% D2O	0.06	7.0	ambient	298.15
8	3D HCCH-COSY	0.8 mM [U-13C; U-15N] PsbQ, 20 mM sodium phosphate, 50 uM sodium azide, 1 mM EDTA, 10 v/v [U-100% 2H] D2O	90% H2O/10% D2O	0.06	7.0	ambient	298.15
9	3D TOCSY-HSQC	0.8 mM [U-13C; U-15N] PsbQ, 20 mM sodium phosphate, 50 uM sodium azide, 1 mM EDTA, 10 v/v [U-100% 2H] D2O	90% H2O/10% D2O	0.06	7.0	ambient	298.15
10	2D (HB)CB(CGCD)HD	0.8 mM [U-13C; U-15N] PsbQ, 20 mM sodium phosphate, 50 uM sodium azide, 1 mM EDTA, 10 v/v [U-100% 2H] D2O	90% H2O/10% D2O	0.06	7.0	ambient	298.15
11	2D (HB)CB(CGCDCE)HE	0.8 mM [U-13C; U-15N] PsbQ, 20 mM sodium phosphate, 50 uM sodium azide, 1 mM EDTA, 10 v/v [U-100% 2H] D2O	90% H2O/10% D2O	0.06	7.0	ambient	298.15
12	3D 1H-15N NOESY	0.8 mM [U-13C; U-15N] PsbQ, 20 mM sodium phosphate, 50 uM sodium azide, 1 mM EDTA, 10 v/v [U-100% 2H] D2O	90% H2O/10% D2O	0.06	7.0	ambient	298.15
13	3D 1H-13C NOESY aliphatic	0.8 mM [U-13C; U-15N] PsbQ, 20 mM sodium phosphate, 50 uM sodium azide, 1 mM EDTA	100% D2O	0.06	7.0	ambient	298.15
14	3D 1H-13C NOESY aromatic	0.8 mM [U-13C; U-15N] PsbQ, 20 mM sodium phosphate, 50 uM sodium azide, 1 mM EDTA	100% D2O	0.06	7.0	ambient	298.15

NMR Spectrometer Information
Spectrometer	Manufacturer	Model	Field Strength
1	Bruker	AVIII	700

NMR Refinement
Method	Details	Software
molecular dynamics		TopSpin

NMR Ensemble Information
Conformer Selection Criteria	target function
Conformers Calculated Total Number	100
Conformers Submitted Total Number	20
Representative Model	1 (fewest violations)

Computation: NMR Software
#	Classification	Version	Software Name	Author
1	collection	TopSpin	3.1	Bruker Biospin
2	data analysis	TopSpin	3.1	Bruker Biospin
3	chemical shift assignment	CARA	1.5.5	Keller and Wuthrich
4	peak picking	CARA	1.5.5	Keller and Wuthrich
5	data analysis	TALOS		Cornilescu, Delaglio and Bax
6	structure solution	CYANA	3.0	Guntert, Mumenthaler and Wuthrich
7	geometry optimization	CYANA	3.0	Guntert, Mumenthaler and Wuthrich
8	geometry optimization	YASARA	12.1.19	YASARA Biosciences
9	refinement	YASARA	12.1.19	YASARA Biosciences