7Q3X

Crystal structure of Malate dehydrogenase from Haloarcula marismortui with Potassium and Chloride ions

Experimental procedure

Experimental method	SINGLE WAVELENGTH
Source type	SYNCHROTRON
Source details	ESRF BEAMLINE BM30A
Synchrotron site	ESRF
Beamline	BM30A
Temperature [K]	100
Detector technology	CCD
Collection date	2013-11-05
Detector	ADSC QUANTUM 315r
Wavelength(s)	0.979688
Spacegroup name	C 1 2 1
Unit cell lengths	128.274, 115.385, 124.828
Unit cell angles	90.00, 93.02, 90.00

Refinement procedure

Resolution	27.420 - 1.950
R-factor	0.2183
Rwork	0.217
R-free	0.24610
Structure solution method	MOLECULAR REPLACEMENT
Starting model (for MR)	2j5k
Data reduction software	XDS
Data scaling software	XSCALE
Phasing software	PHASER
Refinement software	PHENIX (1.19_4080)

Data quality characteristics

	Overall	Outer shell
Low resolution limit [Å]	124.650	1.970
High resolution limit [Å]	1.870	1.870
Number of reflections	145917	21941
<I/σ(I)>	7.9	1.2
Completeness [%]	97.6	91
Redundancy	3.7
CC(1/2)	0.990	0.700

Crystallization Conditions

crystal ID	method	pH	temperature	details
1	VAPOR DIFFUSION	7.5	293	Protein: 10mg/ml, 50mM Tris pH 7, 2M KCl Cristal Growth: 100mM Tris pH 7.5-7.6 + 60-66% MPD