4LI2

Crystal Structures of Lgr4 and its complex with R-spondin1

Experimental procedure

Experimental method	SINGLE WAVELENGTH
Source type	SYNCHROTRON
Source details	APS BEAMLINE 24-ID-C
Synchrotron site	APS
Beamline	24-ID-C
Temperature [K]	100
Detector technology	PIXEL
Collection date	2013-02-08
Detector	PSI PILATUS 6M
Wavelength(s)	0.9792
Spacegroup name	C 2 2 21
Unit cell lengths	103.379, 160.923, 82.216
Unit cell angles	90.00, 90.00, 90.00

Refinement procedure

Resolution	47.613 - 3.190
R-factor	0.2347
Rwork	0.229
R-free	0.28360
Structure solution method	MOLECULAR REPLACEMENT
Starting model (for MR)	4li1
RMSD bond length	0.010
RMSD bond angle	1.500
Data reduction software	DENZO
Data scaling software	SCALEPACK
Refinement software	PHENIX (1.8.2_1309)

Data quality characteristics

	Overall	Inner shell	Outer shell
Low resolution limit [Å]	50.000	50.000	3.310
High resolution limit [Å]	3.200	6.890	3.200
Rmerge	0.087	0.036	0.966
Number of reflections	11577
<I/σ(I)>	5.3
Completeness [%]	98.5	96.7	99
Redundancy	4.4	4.3	4.4

Crystallization Conditions

crystal ID	method	pH	temperature	details
1	VAPOR DIFFUSION	5.7	298	22% PEG3350, 200 mM MgCl2 and 100 mM BisTris pH 5.7, vapor diffusion, temperature 298K