1LQ0

CRYSTAL STRUCTURE OF HUMAN CHITOTRIOSIDASE AT 2.2 ANGSTROM RESOLUTION

Experimental procedure

Experimental method	SINGLE WAVELENGTH
Source type	ROTATING ANODE
Source details	ENRAF-NONIUS
Temperature [K]	100
Detector technology	IMAGE PLATE
Collection date	1999-01-01
Detector	MAC Science DIP-2030
Wavelength(s)	1.5418
Spacegroup name	P 43 21 2
Unit cell lengths	93.450, 93.450, 89.620
Unit cell angles	90.00, 90.00, 90.00

Refinement procedure

Resolution	41.430 - 2.200
R-factor	0.212
Rwork	0.212
R-free	0.24800
Structure solution method	MOLECULAR REPLACEMENT
Starting model (for MR)	chitinase
RMSD bond length	0.008
RMSD bond angle	1.300
Data reduction software	DENZO
Data scaling software	SCALEPACK
Phasing software	AMoRE
Refinement software	CNS (1.1)

Data quality characteristics

	Overall	Outer shell
Low resolution limit [Å]	50.000	2.230
High resolution limit [Å]	2.150	2.150
Rmerge	0.068	0.526
Number of reflections	21843
<I/σ(I)>	15.4	2
Completeness [%]	99.6	92.4
Redundancy	4.2	2.5

Crystallization Conditions

crystal ID	method	pH	temperature	details
1	VAPOR DIFFUSION, HANGING DROP	5.6	298	pH 5.6, VAPOR DIFFUSION, HANGING DROP, temperature 298K