5BCA

BETA-AMYLASE FROM BACILLUS CEREUS VAR. MYCOIDES

Experimental procedure

Experimental method	SINGLE WAVELENGTH
Source type	SYNCHROTRON
Source details	PHOTON FACTORY BEAMLINE BL-6A
Synchrotron site	Photon Factory
Beamline	BL-6A
Temperature [K]	293
Detector technology	WEISSENBERG IMAGE PLATE
Detector	PHOTON FACTORY
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 - 2.200
Rwork	0.186
R-free	0.24000
Structure solution method	MIR
RMSD bond length	0.014
RMSD bond angle	25.360 *
Data reduction software	DENZO
Data scaling software	SCALEPACK
Phasing software	MLPHARE
Refinement software	REFMAC

Data quality characteristics

	Overall	Outer shell
Low resolution limit [Å]	95.300	2.300
High resolution limit [Å]	2.200	2.200
Rmerge	0.069	0.208
Total number of observations	649891 *
Number of reflections	113923
<I/σ(I)>	10.3	3.1
Completeness [%]	81.5	71.9
Redundancy	5.7	3.8

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)