1K08

Crystallographic Binding Study of 10 mM N-benzoyl-N'-beta-D-glucopyranosyl urea to glycogen phosphorylase b

Experimental procedure

Experimental method	SINGLE WAVELENGTH
Source type	ROTATING ANODE
Source details	RIGAKU
Temperature [K]	298
Detector technology	IMAGE PLATE
Collection date	2001-04-02
Detector	RIGAKU RAXIS IV
Wavelength(s)	1.5418
Spacegroup name	P 43 21 2
Unit cell lengths	128.519, 128.519, 116.497
Unit cell angles	90.00, 90.00, 90.00

Refinement procedure

Resolution	28.750 - 2.260
R-factor	0.18 *
Rwork	0.180
R-free	0.21200
Structure solution method	FOURIER SYNTHESIS
Starting model (for MR)	1hlf
RMSD bond length	0.007
RMSD bond angle	1.300
Data reduction software	DENZO
Data scaling software	SCALEPACK
Phasing software	X-PLOR
Refinement software	X-PLOR (3.851)

Data quality characteristics

	Overall	Outer shell
Low resolution limit [Å]	28.750	2.300
High resolution limit [Å]	2.260	2.260
Rmerge	0.096 *	0.424 *
Total number of observations	391254 *
Number of reflections	44361
<I/σ(I)>	10.9	2.6
Completeness [%]	95.8	86.5
Redundancy	5.3	4.2

Crystallization Conditions

crystal ID	method	pH	temperature	details
1	SMALL TUBES	6.7	287	Oikonomakos, N.G., (1985) Biochim. Biophys. Acta, 832, 248. *