2JM4

The solution NMR structure of the relaxin (RXFP1) receptor LDLa module.

SOLUTION NMR

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NMR Experiment
Experiment	Type	Sample Contents	Solvent	Ionic Strength	pH	Pressure	Temperature (K)	Spectrometer
1	3D HNCO	1.5 mM 13C, 15N RXFP1-LDLa, 10 mM calcium chloride, 50 mM acetic acid, 90% H2O, 10% D2O, pH 5.5 (adjusted with NaOH)	90% H2O/10% D2O		5.5	ambient	303.15
2	3D HNCA	1.5 mM 13C, 15N RXFP1-LDLa, 10 mM calcium chloride, 50 mM acetic acid, 90% H2O, 10% D2O, pH 5.5 (adjusted with NaOH)	90% H2O/10% D2O		5.5	ambient	303.15
3	3D HNCACB	1.5 mM 13C, 15N RXFP1-LDLa, 10 mM calcium chloride, 50 mM acetic acid, 90% H2O, 10% D2O, pH 5.5 (adjusted with NaOH)	90% H2O/10% D2O		5.5	ambient	303.15
4	3D CBCA(CO)NH	1.5 mM 13C, 15N RXFP1-LDLa, 10 mM calcium chloride, 50 mM acetic acid, 90% H2O, 10% D2O, pH 5.5 (adjusted with NaOH)	90% H2O/10% D2O		5.5	ambient	303.15
5	3D HBHA(CO)NH	1.5 mM 13C, 15N RXFP1-LDLa, 10 mM calcium chloride, 50 mM acetic acid, 90% H2O, 10% D2O, pH 5.5 (adjusted with NaOH)	90% H2O/10% D2O		5.5	ambient	303.15
6	3D C(CO)NH	1.5 mM 13C, 15N RXFP1-LDLa, 10 mM calcium chloride, 50 mM acetic acid, 90% H2O, 10% D2O, pH 5.5 (adjusted with NaOH)	90% H2O/10% D2O		5.5	ambient	303.15
7	3D H(CCO)NH	1.5 mM 13C, 15N RXFP1-LDLa, 10 mM calcium chloride, 50 mM acetic acid, 90% H2O, 10% D2O, pH 5.5 (adjusted with NaOH)	90% H2O/10% D2O		5.5	ambient	303.15
8	2D 1H-15N HSQC	1.0 mM 15N RXFP1-LDLa, 10 mM calcium chloride, 50 mM acetic acid, 90% H2O, 10% D2O, pH 5.5 (adjusted with NaOH)	90% H2O/10% D2O		5.5	ambient	303.15
9	2D 1H-15N HSQC	1.5 mM 13C, 15N RXFP1-LDLa, 10 mM calcium chloride, 50 mM acetic acid, 90% H2O, 10% D2O, pH 5.5 (adjusted with NaOH)	90% H2O/10% D2O		5.5	ambient	303.15
10	3D HCCH-TOCSY	1.5 mM 13C, 15N RXFP1-LDLa, 10 mM calcium chloride, 50 mM acetic acid, 90% H2O, 10% D2O, pH 5.5 (adjusted with NaOH)	90% H2O/10% D2O		5.5	ambient	303.15
11	3D HNHA	1.0 mM 15N RXFP1-LDLa, 10 mM calcium chloride, 50 mM acetic acid, 90% H2O, 10% D2O, pH 5.5 (adjusted with NaOH)	90% H2O/10% D2O		5.5	ambient	303.15
12	3D 1H-15N NOESY	1.0 mM 15N RXFP1-LDLa, 10 mM calcium chloride, 50 mM acetic acid, 90% H2O, 10% D2O, pH 5.5 (adjusted with NaOH)	90% H2O/10% D2O		5.5	ambient	303.15
13	3D 1H-13C NOESY	1.5 mM 13C, 15N RXFP1-LDLa, 10 mM calcium chloride, 50 mM acetic acid, 90% H2O, 10% D2O, pH 5.5 (adjusted with NaOH)	90% H2O/10% D2O		5.5	ambient	303.15
14	3D HNHB	1.0 mM 15N RXFP1-LDLa, 10 mM calcium chloride, 50 mM acetic acid, 90% H2O, 10% D2O, pH 5.5 (adjusted with NaOH)	90% H2O/10% D2O		5.5	ambient	303.15
15	3D HACAHB	1.5 mM 13C, 15N RXFP1-LDLa, 10 mM calcium chloride, 50 mM acetic acid, 90% H2O, 10% D2O, pH 5.5 (adjusted with NaOH)	90% H2O/10% D2O		5.5	ambient	303.15
16	2D 1H-13C HSQC	1.5 mM 13C, 15N RXFP1-LDLa, 10 mM calcium chloride, 50 mM acetic acid, 90% H2O, 10% D2O, pH 5.5 (adjusted with NaOH)	90% H2O/10% D2O		5.5	ambient	303.15
17	2D 1H-13C HSQC	1.0 mM 10% 13C, 90% 12C RXFP1-LDLa, 10 mM calcium chloride, 50 mM acetic acid, 90% H2O, 10% D2O, pH 5.5 (adjusted with NaOH)	90% H2O/10% D2O		5.5	ambient	303.15

NMR Spectrometer Information
Spectrometer	Manufacturer	Model	Field Strength
1	Varian	INOVA	500

NMR Refinement
Method	Details	Software
simulated annealing, torsion angle dynamics		Sparky

NMR Ensemble Information
Conformer Selection Criteria	lowest energy
Conformers Calculated Total Number	100
Conformers Submitted Total Number	24
Representative Model	1 (lowest energy)

Computation: NMR Software
#	Classification	Version	Software Name	Author
1	data analysis	Sparky	3.106	Goddard
2	processing	NMRPipe	2.3	Delaglio,Grzesiek,Vuister,Zhu,Pfeifer,Bax
3	refinement	X-PLOR NIH	2.9.9	Schwieters, Kuszewski, Tjandra, Clore
4	structure solution	CYANA	1.0.7	Guntert,Mumenthaler,Wuthrich
5	data analysis	NMRView	5.2.2	Johnson
6	refinement	ProcheckNMR	3.5.4	Laskowski, MacArthur