4TK2

Geph E in complex with a GABA receptor alpha3 subunit derived peptide in space group P61

Experimental procedure

Experimental method	SINGLE WAVELENGTH
Source type	SYNCHROTRON
Source details	ESRF BEAMLINE ID14-4
Synchrotron site	ESRF
Beamline	ID14-4
Temperature [K]	100
Detector technology	CCD
Collection date	2013-06-18
Detector	ADSC QUANTUM 315r
Wavelength(s)	0.9393
Spacegroup name	P 61
Unit cell lengths	164.510, 164.510, 129.429
Unit cell angles	90.00, 90.00, 120.00

Refinement procedure

Resolution	47.900 - 4.100
R-factor	0.186
Rwork	0.183
R-free	0.23640
Structure solution method	MOLECULAR REPLACEMENT
Starting model (for MR)	2fu3
RMSD bond length	0.002
RMSD bond angle	0.584
Refinement software	PHENIX ((phenix.refine: 1.9_1692))

Data quality characteristics

	Overall	Outer shell
Low resolution limit [Å]	49.720
High resolution limit [Å]	4.100
Number of reflections	15728
<I/σ(I)>	6	1.6
Completeness [%]	99.0
Redundancy	4.1

Crystallization Conditions

crystal ID	method	pH	temperature	details
1	VAPOR DIFFUSION, HANGING DROP	6	293	0.15 M Calcium acetate, 0.1 M sodium cacodylate pH 6.0, 6-10 % Isopropanol