3CFI

Nanobody-aided structure determination of the EPSI:EPSJ pseudopilin heterdimer from Vibrio Vulnificus

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	2007-08-02
Detector	MARMOSAIC 325 mm CCD
Wavelength(s)	1.12709
Spacegroup name	P 1
Unit cell lengths	46.720, 67.243, 128.255
Unit cell angles	96.54, 91.62, 90.20

Refinement procedure

Resolution	19.970 - 2.580
R-factor	0.23186
Rwork	0.229
R-free	0.27899
Structure solution method	MOLECULAR REPLACEMENT
RMSD bond length	0.006
RMSD bond angle	0.849
Data reduction software	MOSFLM
Data scaling software	SCALA
Phasing software	PHASER
Refinement software	REFMAC

Data quality characteristics

	Overall	Outer shell
Low resolution limit [Å]	20.000	2.680
High resolution limit [Å]	2.580	2.580
Rmerge	0.129	0.591
Number of reflections	49095
<I/σ(I)>	14.78	2.72
Completeness [%]	90.0	71
Redundancy	2	2

Crystallization Conditions

crystal ID	method	pH	temperature	details
1	VAPOR DIFFUSION, SITTING DROP	5.5	298	25% PEG 3350, 0.1M Ammonium Sulfate, 0.1M Bis-Tris, pH 5.5, vapor diffusion, sitting drop, temperature 298K