2DUY

Crystal structure of competence protein ComEA-related protein from Thermus thermophilus HB8

Experimental procedure

Experimental method	SINGLE WAVELENGTH
Source type	SYNCHROTRON
Source details	APS BEAMLINE 22-ID
Synchrotron site	APS
Beamline	22-ID
Temperature [K]	100
Detector technology	CCD
Collection date	2006-02-12
Detector	MARMOSAIC 300 mm CCD
Wavelength(s)	0.9724
Spacegroup name	P 43 21 2
Unit cell lengths	42.635, 42.635, 53.756
Unit cell angles	90.00, 90.00, 90.00

Refinement procedure

Resolution	50.000 - 1.750
R-factor	0.193
Rwork	0.188
R-free	0.21800
Structure solution method	MAD
RMSD bond length	0.006
RMSD bond angle	1.400
Data reduction software	HKL-2000
Data scaling software	HKL-2000
Phasing software	CNS
Refinement software	CNS (1.1)

Data quality characteristics

	Overall	Outer shell
Low resolution limit [Å]	50.000	1.810
High resolution limit [Å]	1.750	1.750
Rmerge	0.062	0.310
Number of reflections	5420
<I/σ(I)>	69.2	10.2
Completeness [%]	99.9	99.6
Redundancy	26	19.6

Crystallization Conditions

crystal ID	method	pH	temperature	details
1	VAPOR DIFFUSION, SITTING DROP	6.4	293	1.5M Ammonium citrate, 0.1M Bis-tris propane, pH 6.4, VAPOR DIFFUSION, SITTING DROP, temperature 293K
1	VAPOR DIFFUSION, SITTING DROP	6.4	293	1.5M Ammonium citrate, 0.1M Bis-tris propane, pH 6.4, VAPOR DIFFUSION, SITTING DROP, temperature 293K
1	VAPOR DIFFUSION, SITTING DROP	6.4	293	1.5M Ammonium citrate, 0.1M Bis-tris propane, pH 6.4, VAPOR DIFFUSION, SITTING DROP, temperature 293K