4IZK

Crystal structure of yellowtail ascites virus VP4 protease active site mutant (K674A) reveals both an acyl-enzyme complex and an empty active site

Replaces:  4HHCReplaces:  3RBP

Experimental procedure

Experimental method	SINGLE WAVELENGTH
Source type	SYNCHROTRON
Source details	CLSI BEAMLINE 08ID-1
Synchrotron site	CLSI
Beamline	08ID-1
Temperature [K]	100
Detector technology	CCD
Collection date	2010-07-28
Detector	MARMOSAIC 225 mm CCD
Wavelength(s)	0.9795
Spacegroup name	F 41 3 2
Unit cell lengths	273.520, 273.520, 273.520
Unit cell angles	90.00, 90.00, 90.00

Refinement procedure

Resolution	55.800 - 2.300
R-factor	0.17394
Rwork	0.173
R-free	0.19685
Structure solution method	MOLECULAR REPLACEMENT
Starting model (for MR)	4izj
RMSD bond length	0.012
RMSD bond angle	1.428
Data reduction software	MOSFLM
Data scaling software	SCALA
Phasing software	PHASER
Refinement software	REFMAC (5.6.0117)

Data quality characteristics

	Overall	Outer shell
Low resolution limit [Å]	55.800	2.400
High resolution limit [Å]	2.300	2.300
Rmerge	0.105	0.249
Number of reflections	39388
<I/σ(I)>	13.8	6.5
Completeness [%]	100.0	100
Redundancy	8.7	8.1

Crystallization Conditions

crystal ID	method	pH	temperature	details
1	VAPOR DIFFUSION, SITTING DROP	6.5	296	25% PEG 2000, 0.1 M MES, 0.45 M MAGNESIUM CHLORIDE, pH 6.5, VAPOR DIFFUSION, SITTING DROP, temperature 296K