2Z4I

Crystal structure of the Cpx pathway activator NlpE from Escherichia coli

Experimental procedure

Experimental method	SINGLE WAVELENGTH
Source type	SYNCHROTRON
Source details	SPRING-8 BEAMLINE BL44B2
Synchrotron site	SPring-8
Beamline	BL44B2
Temperature [K]	95
Detector technology	CCD
Collection date	2005-10-26
Detector	ADSC QUANTUM 210
Wavelength(s)	1.0000
Spacegroup name	P 43 21 2
Unit cell lengths	121.422, 121.422, 84.456
Unit cell angles	90.00, 90.00, 90.00

Refinement procedure

Resolution	29.450 - 2.600
Rwork	0.224
R-free	0.27000
Structure solution method	MAD
RMSD bond length	0.008
RMSD bond angle	1.400
Data reduction software	HKL-2000
Data scaling software	SCALEPACK
Phasing software	CNS
Refinement software	CNS (1.1)

Data quality characteristics

	Overall	Outer shell
Low resolution limit [Å]	30.000	2.690
High resolution limit [Å]	2.600	2.600
Number of reflections	33952
<I/σ(I)>	24.2	2.7
Completeness [%]	94.3	80.3
Redundancy	8.6

Crystallization Conditions

crystal ID	method	pH	temperature	details
1	VAPOR DIFFUSION, SITTING DROP	4.2	298	14% PEG 8000, 0.05M sodium citrate, 0.07M zinc sulfate, 40% D-sorbitol, pH 4.2, VAPOR DIFFUSION, SITTING DROP, temperature 298K
1	VAPOR DIFFUSION, SITTING DROP	4.2	298	14% PEG 8000, 0.05M sodium citrate, 0.07M zinc sulfate, 40% D-sorbitol, pH 4.2, VAPOR DIFFUSION, SITTING DROP, temperature 298K