1QW8

Crystal structure of a family 51 alpha-L-arabinofuranosidase in complex with Ara-alpha(1,3)-Xyl

Experimental procedure

Experimental method	SINGLE WAVELENGTH
Source type	ROTATING ANODE
Source details	RIGAKU RU200
Temperature [K]	100
Detector technology	IMAGE PLATE
Collection date	2002-11-25
Detector	MARRESEARCH
Wavelength(s)	1.54178
Spacegroup name	H 3
Unit cell lengths	179.430, 179.430, 100.231
Unit cell angles	90.00, 90.00, 120.00

Refinement procedure

Resolution	20.000 - 1.800
R-factor	0.184
Rwork	0.174
R-free	0.21300
Structure solution method	MOLECULAR REPLACEMENT
RMSD bond length	0.013 *
RMSD bond angle	1474.000 *
Data reduction software	DENZO
Data scaling software	SCALEPACK
Refinement software	REFMAC (5.0)

Data quality characteristics

	Overall	Outer shell
Low resolution limit [Å]	20.000	1.860
High resolution limit [Å]	1.800	1.800
Rmerge	0.055 *	0.410 *
Number of reflections	107887 *
Completeness [%]	96.9	92.4

Crystallization Conditions

crystal ID	method	pH	temperature	details
1	VAPOR DIFFUSION, SITTING DROP	8	293	18 % PEG 3350, 0.2 M NH4F, 5 % 2-propanol, 0.1 M Tris/HCl, pH 8.0, VAPOR DIFFUSION, SITTING DROP, temperature 293K

Crystallization Reagents in Literatures

ID	crystal ID	solution	reagent name	concentration (unit)	details
1	1	reservoir	PEG3350	23 (%(w/v))
2	1	reservoir		0.2 (M)
3	1	reservoir	2-propanol	5 (%(v/v))
4	1	reservoir	Tris-HCl	0.1 (M)	pH8.0