1J11

beta-amylase from Bacillus cereus var. mycoides in complex with alpha-EPG

Experimental procedure

Experimental method	SINGLE WAVELENGTH
Source type	SYNCHROTRON
Source details	PHOTON FACTORY BEAMLINE BL-18B
Synchrotron site	Photon Factory
Beamline	BL-18B
Temperature [K]	293
Detector technology	DIFFRACTOMETER
Collection date	1997-04-18
Detector	WEISSENBERG
Wavelength(s)	1.0000
Spacegroup name	C 1 2 1
Unit cell lengths	177.900, 112.900, 146.200
Unit cell angles	90.00, 105.80, 90.00

Refinement procedure

Resolution	8.000 - 2.000
Rwork	0.200
R-free	0.24600
Starting model (for MR)	5bca
RMSD bond length	0.007
RMSD bond angle	22.023 *
Data reduction software	DENZO
Data scaling software	SCALEPACK
Phasing software	X-PLOR
Refinement software	X-PLOR (3.1)

Data quality characteristics

	Overall	Outer shell
Low resolution limit [Å]	95.400	1.990
High resolution limit [Å]	1.900	1.900
Rmerge	0.064	0.288
Total number of observations	365923 *
Number of reflections	143718	10261 *
Completeness [%]	66.4	38.1
Redundancy	2.6 *	1.5 *

Crystallization Conditions

crystal ID	method	pH	temperature	details
1	VAPOR DIFFUSION, HANGING DROP	9	293	Oyama, T., (1998) Protein Pept.Lett., 5, 349. *

Crystallization Reagents in Literatures

ID	crystal ID	solution	reagent name	concentration (unit)	details
1	1	drop	protein	20 (mg/ml)
2	1	drop	ammonium chloride	50 (mM)
3	1	reservoir	PEG6000	6-8 (%(w/v))
4	1	reservoir	ammonium chloride	50 (mM)