4IJM

Crystal structure of circadian clock protein KaiC A422V mutant

Experimental procedure

Experimental method	SINGLE WAVELENGTH
Source type	SYNCHROTRON
Source details	APS BEAMLINE 21-ID-G
Synchrotron site	APS
Beamline	21-ID-G
Temperature [K]	110
Detector technology	CCD
Collection date	2009-12-09
Detector	MARMOSAIC 300 mm CCD
Wavelength(s)	0.97586
Spacegroup name	P 21 21 21
Unit cell lengths	131.362, 134.468, 203.936
Unit cell angles	90.00, 90.00, 90.00

Refinement procedure

Resolution	29.958 - 3.352
R-factor	0.2192
Rwork	0.217
R-free	0.26070
Structure solution method	MOLECULAR REPLACEMENT
Starting model (for MR)	3dvl
RMSD bond length	0.007
RMSD bond angle	0.710
Data reduction software	HKL-2000
Data scaling software	HKL-2000
Phasing software	CNS
Refinement software	PHENIX ((phenix.refine: 1.8.1_1168))

Data quality characteristics

	Overall	Inner shell	Outer shell
Low resolution limit [Å]	30.000	30.000	3.410
High resolution limit [Å]	3.350	9.010	3.350
Rmerge	0.056	0.028	0.649
Number of reflections	52376
<I/σ(I)>	31.1
Completeness [%]	100.0	99.6	100
Redundancy	6.6

Crystallization Conditions

crystal ID	method	pH	temperature	details
1	EVAPORATION	5	292	0.1 M sodium acetate, 1 M sodium formate, pH 5, EVAPORATION, temperature 292K