2L9C

Structural insights into the specificity of darcin, an atypical major urinary protein.

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	1 mM [U-98% 13C; U-98% 15N] Darcin, 25 mM potassium phosphate, 0.2 % sodium azide	90% H2O/10% D2O	25	6.8	ambient	300
2	2D 1H-13C HSQC	1 mM [U-98% 13C; U-98% 15N] Darcin, 25 mM potassium phosphate, 0.2 % sodium azide	90% H2O/10% D2O	25	6.8	ambient	300
3	2D 1H-13C HSQC aromatic	1 mM [U-98% 13C; U-98% 15N] Darcin, 25 mM potassium phosphate, 0.2 % sodium azide	90% H2O/10% D2O	25	6.8	ambient	300
4	3D CBCA(CO)NH	1 mM [U-98% 13C; U-98% 15N] Darcin, 25 mM potassium phosphate, 0.2 % sodium azide	90% H2O/10% D2O	25	6.8	ambient	300
5	3D HNCACB	1 mM [U-98% 13C; U-98% 15N] Darcin, 25 mM potassium phosphate, 0.2 % sodium azide	90% H2O/10% D2O	25	6.8	ambient	300
6	3D HNCO	1 mM [U-98% 13C; U-98% 15N] Darcin, 25 mM potassium phosphate, 0.2 % sodium azide	90% H2O/10% D2O	25	6.8	ambient	300
7	3D HN(CA)CO	1 mM [U-98% 13C; U-98% 15N] Darcin, 25 mM potassium phosphate, 0.2 % sodium azide	90% H2O/10% D2O	25	6.8	ambient	300
8	3D HBHA(CO)NH	1 mM [U-98% 13C; U-98% 15N] Darcin, 25 mM potassium phosphate, 0.2 % sodium azide	90% H2O/10% D2O	25	6.8	ambient	300
9	3D HBHANH	1 mM [U-98% 13C; U-98% 15N] Darcin, 25 mM potassium phosphate, 0.2 % sodium azide	90% H2O/10% D2O	25	6.8	ambient	300
10	3D HCCH-TOCSY	1 mM [U-98% 13C; U-98% 15N] Darcin, 25 mM potassium phosphate, 0.2 % sodium azide	90% H2O/10% D2O	25	6.8	ambient	300
11	3D 1H-13C NOESY aliphatic	1 mM [U-98% 13C; U-98% 15N] Darcin, 25 mM potassium phosphate, 0.2 % sodium azide	90% H2O/10% D2O	25	6.8	ambient	300
12	3D 1H-13C NOESY aromatic	1 mM [U-98% 13C; U-98% 15N] Darcin, 25 mM potassium phosphate, 0.2 % sodium azide	90% H2O/10% D2O	25	6.8	ambient	300
13	3D 1H-15N NOESY	1 mM [U-98% 13C; U-98% 15N] Darcin, 25 mM potassium phosphate, 0.2 % sodium azide	90% H2O/10% D2O	25	6.8	ambient	300
14	2D CB(CGCD)HD aromatic	1 mM [U-98% 13C; U-98% 15N] Darcin, 25 mM potassium phosphate, 0.2 % sodium azide	90% H2O/10% D2O	25	6.8	ambient	300

NMR Spectrometer Information
Spectrometer	Manufacturer	Model	Field Strength
1	Bruker	AVANCE	800
2	Bruker	AVANCE	600

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 (closest to the average)

Computation: NMR Software
#	Classification	Version	Software Name	Author
1	collection	TopSpin	2.1.3	Bruker Biospin
2	processing	TopSpin	2.1.3	Bruker Biospin
3	data analysis	CcpNmr Analysis	CCPNMR	CCPN
4	chemical shift assignment	CcpNmr Analysis	CCPNMR	CCPN
5	peak picking	CcpNmr Analysis	CCPNMR	CCPN
6	dihedral angle determination	TALOS	plus	Cornilescu, Delaglio and Bax
7	chemical shift assignment	CYANA	2.1 and 3	Guntert, Mumenthaler and Wuthrich
8	structure solution	CYANA	2.1 and 3	Guntert, Mumenthaler and Wuthrich
9	refinement	CYANA	2.1 and 3	Guntert, Mumenthaler and Wuthrich