3ARU

Crystal Structure Analysis of Chitinase A from Vibrio harveyi with novel inhibitors - W275G mutant complex structure with PENTOXIFYLLINE

Experimental procedure

Experimental method	SINGLE WAVELENGTH
Source type	SYNCHROTRON
Source details	SLS BEAMLINE X10SA
Synchrotron site	SLS
Beamline	X10SA
Temperature [K]	100
Detector technology	CCD
Collection date	2009-02-16
Detector	MARMOSAIC 225 mm CCD
Wavelength(s)	0.999989
Spacegroup name	P 21 21 21
Unit cell lengths	66.670, 83.930, 102.420
Unit cell angles	90.00, 90.00, 90.00

Refinement procedure

Resolution	19.900 - 1.900
R-factor	0.1461
Rwork	0.143
R-free	0.19500
Structure solution method	MOLECULAR REPLACEMENT
Starting model (for MR)	3b9a
RMSD bond length	0.024
RMSD bond angle	2.013
Data scaling software	XSCALE
Refinement software	REFMAC (5.6.0093)

Data quality characteristics

	Overall	Inner shell	Outer shell
Low resolution limit [Å]	19.901		1.950
High resolution limit [Å]	1.900	8.500	1.900
Rmerge	0.120	0.074	0.362
Rmeas		0.080	0.389
Number of reflections	45919	538	3356
<I/σ(I)>	18.02	33.8	7.8
Completeness [%]	99.8	90.6	100

Crystallization Conditions

crystal ID	method	pH	temperature	details
1	hanging drop	5.5	293	26%(w/v) PEG 4000, 0.2M Ammonium Acetate, 0.1M Sodium Acetate, pH 5.5, hanging drop, temperature 293K