3AAL

Crystal Structure of endonuclease IV from Geobacillus kaustophilus

Experimental procedure

Experimental method	SINGLE WAVELENGTH
Source type	SYNCHROTRON
Source details	SPRING-8 BEAMLINE BL26B2
Synchrotron site	SPring-8
Beamline	BL26B2
Temperature [K]	95
Detector technology	CCD
Collection date	2007-09-21
Detector	MARMOSAIC 225 mm CCD
Wavelength(s)	1.000000
Spacegroup name	P 61 2 2
Unit cell lengths	85.170, 85.170, 140.220
Unit cell angles	90.00, 90.00, 120.00

Refinement procedure

Resolution	23.420 - 1.600
Rwork	0.197
R-free	0.22200
Structure solution method	MOLECULAR REPLACEMENT
Starting model (for MR)	1xp3
RMSD bond length	0.013
RMSD bond angle	1.600
Data reduction software	DENZO
Data scaling software	SCALEPACK
Phasing software	MOLREP
Refinement software	CNS (1.1)

Data quality characteristics

	Overall	Inner shell	Outer shell
Low resolution limit [Å]	50.000	50.000	1.660
High resolution limit [Å]	1.600	3.450	1.600
Rmerge	0.049	0.043	0.216
Number of reflections	40267
<I/σ(I)>	64.904
Completeness [%]	99.7	99.4	97.6
Redundancy	14.9	17.6	6.6

Crystallization Conditions

crystal ID	method	pH	temperature	details
1	VAPOR DIFFUSION, SITTING DROP	6.5	293	0.1M cacodylate, 30% polyethylene glycol 600, 1M NaCl, 10% glycerol, pH 6.5, VAPOR DIFFUSION, SITTING DROP, temperature 293K