4YCA

Evidence of Kinetic Cooperativity in dimeric Ketopantoate Reductase from Staphylococcus aureus

Experimental procedure

Experimental method	SINGLE WAVELENGTH
Source type	SYNCHROTRON
Source details	APS BEAMLINE 22-BM
Synchrotron site	APS
Beamline	22-BM
Temperature [K]	77
Detector technology	IMAGE PLATE
Collection date	2013-06-19
Detector	MAR scanner 300 mm plate
Wavelength(s)	1.0
Spacegroup name	P 21 21 21
Unit cell lengths	42.180, 85.210, 177.060
Unit cell angles	90.00, 90.00, 90.00

Refinement procedure

Resolution	44.300 - 1.810
R-factor	0.1739
Rwork	0.173
R-free	0.21100
Structure solution method	MOLECULAR REPLACEMENT
Starting model (for MR)	3g17
RMSD bond length	0.008
RMSD bond angle	1.072
Data reduction software	XDS
Data scaling software	XSCALE
Phasing software	PHENIX
Refinement software	PHENIX ((phenix.refine: 1.9_1692))

Data quality characteristics

	Overall
Low resolution limit [Å]	44.300
High resolution limit [Å]	1.810
Number of reflections	59348
<I/σ(I)>	1.34
Completeness [%]	99.9
Redundancy	13.8

Crystallization Conditions

crystal ID	method	pH	temperature	details
1	VAPOR DIFFUSION, SITTING DROP	6.6	293	4mM KP, 4mM NADP+, 300mM Magnesium acetate, 100mM MES, 15% PEG 3,350