1CL1

CYSTATHIONINE BETA-LYASE (CBL) FROM ESCHERICHIA COLI

Experimental procedure

Source type	SYNCHROTRON
Source details	MPG/DESY, HAMBURG BEAMLINE BW6
Synchrotron site	MPG/DESY, HAMBURG
Beamline	BW6
Temperature [K]	298
Detector technology	IMAGE PLATE
Collection date	1995-04-10
Detector	MARRESEARCH
Spacegroup name	C 2 2 21
Unit cell lengths	60.900, 154.700, 152.700
Unit cell angles	90.00, 90.00, 90.00

Refinement procedure

Resolution	8.000 - 1.830
R-factor	0.151
Rwork	0.151
R-free	0.22100
Structure solution method	MULTIPLE ISOMORPHOUS REPLACEMENT
RMSD bond length	0.009
RMSD bond angle	1.760
Data reduction software	MOSFLM
Data scaling software	CCP4 ((AGROVATA)
Phasing software	X-PLOR (3.1)
Refinement software	X-PLOR (3.1)

Data quality characteristics

	Overall	Outer shell
Low resolution limit [Å]	15.000	1.870
High resolution limit [Å]	1.830	1.830
Rmerge	0.042	0.210
Total number of observations	152322 *
Number of reflections	58549 *
Completeness [%]	92.6	95
Redundancy	3.2	3

Crystallization Conditions

crystal ID	method	pH	temperature	details
1	Vapor diffusion, hanging drop *	7.3 *		20% PEG400, 0.15M CACL2, 0.1 M HEPES/NAOH (PH 8.2)

Crystallization Reagents in Literatures

ID	crystal ID	solution	reagent name	concentration (unit)	details
1	1	drop	enzyme	5 (mg/ml)
2	1	reservoir	PEG400	10-14 (%)
3	1	reservoir	HEPES	100 (mM)	pH7.3
4	1	reservoir		150 (mM)