2QNL

CRYSTAL STRUCTURE OF A PUTATIVE DNA DAMAGE-INDUCIBLE PROTEIN (CHU_0679) FROM CYTOPHAGA HUTCHINSONII ATCC 33406 AT 1.50 A RESOLUTION

Experimental procedure

Experimental method	SINGLE WAVELENGTH
Source type	SYNCHROTRON
Source details	SSRL BEAMLINE BL11-1
Synchrotron site	SSRL
Beamline	BL11-1
Temperature [K]	100
Detector technology	CCD
Collection date	2007-07-02
Detector	MARMOSAIC 325 mm CCD
Wavelength(s)	0.97895
Spacegroup name	P 61 2 2
Unit cell lengths	64.800, 64.800, 148.870
Unit cell angles	90.00, 90.00, 120.00

Refinement procedure

Resolution	28.061 - 1.500
R-factor	0.161
Rwork	0.159
R-free	0.18500
Structure solution method	SAD
RMSD bond length	0.018
RMSD bond angle	1.644
Data reduction software	XDS
Data scaling software	XSCALE
Phasing software	SOLVE
Refinement software	REFMAC (5.2.0019)

Data quality characteristics

	Overall	Inner shell	Outer shell
Low resolution limit [Å]	28.061	28.061	1.550
High resolution limit [Å]	1.500	3.230	1.500
Rmerge	0.029	0.019	0.161
Number of reflections	29769	5520	4223
<I/σ(I)>	34.13	75.1	5.6
Completeness [%]	97.0	97.6	80.5
Redundancy	11.33

Crystallization Conditions

crystal ID	method	pH	temperature	details
1	VAPOR DIFFUSION, SITTING DROP	6.5	277	NANODROP, 1.6M (NH4)2SO4, 10.0% Dioxane, 0.1M MES pH 6.5, VAPOR DIFFUSION, SITTING DROP, temperature 277K