3FU1

Crystal structure of the major pseudopilin from the type 2 secretion system of Vibrio cholerae

Experimental procedure

Experimental method	SINGLE WAVELENGTH
Source type	SYNCHROTRON
Source details	SSRL BEAMLINE BL9-2
Synchrotron site	SSRL
Beamline	BL9-2
Temperature [K]	100
Detector technology	CCD
Collection date	2007-11-15
Detector	MARMOSAIC 325 mm CCD
Wavelength(s)	0.97946
Spacegroup name	P 21 21 21
Unit cell lengths	50.638, 64.749, 65.041
Unit cell angles	90.00, 90.00, 90.00

Refinement procedure

Resolution	27.280 - 1.900
R-factor	0.18
Rwork	0.178
R-free	0.22300
Structure solution method	MOLECULAR REPLACEMENT
RMSD bond length	0.009
RMSD bond angle	1.187
Data reduction software	DENZO
Data scaling software	SCALEPACK
Phasing software	PHASER
Refinement software	REFMAC

Data quality characteristics

	Overall	Outer shell
Low resolution limit [Å]	29.000	1.970
High resolution limit [Å]	1.900	1.900
Rmerge	0.087	0.512
Number of reflections	17045
<I/σ(I)>	24.016	2.1
Completeness [%]	97.1	78.8
Redundancy	6.7	4.1

Crystallization Conditions

crystal ID	method	pH	temperature	details
1	VAPOR DIFFUSION, SITTING DROP	5	298	22.5% PEG 3350, 0.1M NA ACETATE, 0.04M ZN ACETATE, pH 5.0, vapor diffusion, sitting drop, temperature 298K
1	VAPOR DIFFUSION, SITTING DROP	5	298	22.5% PEG 3350, 0.1M NA ACETATE, 0.04M ZN ACETATE, pH 5.0, vapor diffusion, sitting drop, temperature 298K
1	VAPOR DIFFUSION, SITTING DROP	5	298	22.5% PEG 3350, 0.1M NA ACETATE, 0.04M ZN ACETATE, pH 5.0, vapor diffusion, sitting drop, temperature 298K