4I1T

Crystal structure of the cap-snatching endonuclease from Pichinde virus

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	2011-06-09
Detector	MARMOSAIC 325 mm CCD
Wavelength(s)	0.97946
Spacegroup name	P 64 2 2
Unit cell lengths	142.962, 142.962, 46.835
Unit cell angles	90.00, 90.00, 120.00

Refinement procedure

Resolution	46.795 - 2.800
R-factor	0.2387
Rwork	0.236
R-free	0.29440
Structure solution method	MOLECULAR REPLACEMENT
Starting model (for MR)	3jsb
RMSD bond length	0.009
RMSD bond angle	1.208
Data reduction software	DENZO
Data scaling software	SCALEPACK
Phasing software	MOLREP
Refinement software	PHENIX (1.6.1_357)

Data quality characteristics

	Overall	Inner shell	Outer shell
Low resolution limit [Å]	50.000	50.000	2.850
High resolution limit [Å]	2.800	7.590	2.800
Rmerge	0.088	0.039	0.620
Number of reflections	7360
<I/σ(I)>	29.87	97.81	3.77
Completeness [%]	99.8	100	97.8
Redundancy	15.1	24.5	3.9

Crystallization Conditions

crystal ID	method	pH	temperature	details
1	VAPOR DIFFUSION, SITTING DROP	8.5	298	6M ammonium nitrate, 0.1M Tris, pH 8.5, vapor diffusion, sitting drop, temperature 298K