3NUF

Crystal structure of a PRD-containing transcription regulator (LSEI_2718) from Lactobacillus casei ATCC 334 at 1.38 A resolution

Experimental procedure

Experimental method	MAD
Source type	SYNCHROTRON
Source details	SSRL BEAMLINE BL9-2
Synchrotron site	SSRL
Beamline	BL9-2
Temperature [K]	100
Detector technology	CCD
Collection date	2009-11-05
Detector	MARMOSAIC 325 mm CCD
Wavelength(s)	0.91837,0.97954,0.97939
Spacegroup name	P 43 21 2
Unit cell lengths	67.160, 67.160, 99.733
Unit cell angles	90.00, 90.00, 90.00

Refinement procedure

Resolution	28.759 - 1.380
R-factor	0.172
Rwork	0.171
R-free	0.19200
Structure solution method	MAD
RMSD bond length	0.018
RMSD bond angle	1.567
Data reduction software	XDS
Data scaling software	XSCALE
Phasing software	SHELX
Refinement software	REFMAC (5.5.0110)

Data quality characteristics

	Overall	Inner shell	Outer shell
Low resolution limit [Å]	28.759	28.759	1.430
High resolution limit [Å]	1.380	2.970	1.380
Rmerge	0.054	0.028	0.877
Number of reflections	47575	9021	8733
<I/σ(I)>	13.65	41	1.7
Completeness [%]	99.4	99.4	96

Crystallization Conditions

crystal ID	method	pH	temperature	details
1	VAPOR DIFFUSION, SITTING DROP	7.5	277	1.6000M ammonium sulfate, 4.0000% polyethylene glycol 400, 0.1M HEPES pH 7.5, NANODROP, VAPOR DIFFUSION, SITTING DROP, temperature 277K