5X2N

Crystal structure of the medaka fish taste receptor T1r2a-T1r3 ligand binding domains in complex with L-alanine

Experimental procedure

Experimental method	SINGLE WAVELENGTH
Source type	SYNCHROTRON
Source details	SPRING-8 BEAMLINE BL41XU
Synchrotron site	SPring-8
Beamline	BL41XU
Temperature [K]	100
Detector technology	PIXEL
Collection date	2014-10-21
Detector	DECTRIS PILATUS 6M
Wavelength(s)	1.0
Spacegroup name	P 1 21 1
Unit cell lengths	99.372, 117.472, 130.055
Unit cell angles	90.00, 91.93, 90.00

Refinement procedure

Resolution	49.658 - 2.200
R-factor	0.1971
Rwork	0.195
R-free	0.24410
Structure solution method	MOLECULAR REPLACEMENT
Starting model (for MR)	2e4u 1a6t
RMSD bond length	0.008
RMSD bond angle	1.100
Data reduction software	HKL-2000
Data scaling software	HKL-2000
Phasing software	PHASER
Refinement software	PHENIX (1.9_1692)

Data quality characteristics

	Overall	Outer shell
Low resolution limit [Å]	50.000	2.240
High resolution limit [Å]	2.200	2.200
Number of reflections	145695	7359
<I/σ(I)>	18.7	1.8
Completeness [%]	95.3	97.1
Redundancy	3.5	3.5

Crystallization Conditions

crystal ID	method	pH	temperature	details
1	VAPOR DIFFUSION, SITTING DROP	6	293	12~13% (w/v) PEG 1500, 3% (v/v) PEG400, 0.1 M MES