1XRX

Crystal structure of a DNA-binding protein

Experimental procedure

Experimental method	MAD
Source type	SYNCHROTRON
Source details	NSLS BEAMLINE X9B
Synchrotron site	NSLS
Beamline	X9B
Temperature [K]	100
Detector technology	CCD
Collection date	2003-03-04
Detector	ADSC QUANTUM 4
Wavelength(s)	0.97938, 0.96859, 0.98241
Spacegroup name	P 31 2 1
Unit cell lengths	112.179, 112.179, 62.021
Unit cell angles	90.00, 90.00, 120.00

Refinement procedure

Resolution	24.710 - 2.150
Rwork	0.222
R-free	0.23700
Structure solution method	MAD
RMSD bond length	0.006
RMSD bond angle	0.900
Data reduction software	HKL-2000
Data scaling software	SCALEPACK
Phasing software	SOLVE
Refinement software	CNS (1.1)

Data quality characteristics

	Overall	Outer shell
Low resolution limit [Å]	25.000	2.190
High resolution limit [Å]	2.150	2.150
Rmerge	0.076	0.460
Number of reflections	24398
<I/σ(I)>	26.1	2.1
Completeness [%]	98.5	84.6
Redundancy	15.7	9.8

Crystallization Conditions

crystal ID	method	pH	temperature	details
1	VAPOR DIFFUSION, SITTING DROP	8	277	MPD, calcium chloride, TRIS, isopropanol, pH 8, VAPOR DIFFUSION, SITTING DROP, temperature 277K
1	VAPOR DIFFUSION, SITTING DROP	8	277	MPD, calcium chloride, TRIS, isopropanol, pH 8, VAPOR DIFFUSION, SITTING DROP, temperature 277K
1	VAPOR DIFFUSION, SITTING DROP	8	277	MPD, calcium chloride, TRIS, isopropanol, pH 8, VAPOR DIFFUSION, SITTING DROP, temperature 277K