3ECA

CRYSTAL STRUCTURE OF ESCHERICHIA COLI L-ASPARAGINASE, AN ENZYME USED IN CANCER THERAPY (ELSPAR)

Experimental procedure

Experimental method	SINGLE WAVELENGTH
Source type	ROTATING ANODE
Source details	ENRAF-NONIUS FR590
Temperature [K]	293
Detector technology	AREA DETECTOR
Collection date	1992-01-01
Detector	SIEMENS-XENTRONICS
Wavelength(s)	1.542
Spacegroup name	P 1 21 1
Unit cell lengths	76.700, 96.100, 111.300
Unit cell angles	90.00, 97.10, 90.00

Refinement procedure

Resolution	9.990 - 2.400
R-factor	0.149 *
Rwork	0.111
Structure solution method	MIR
RMSD bond length	0.016
RMSD bond angle	0.054 *
Data reduction software	d*TREK
Data scaling software	d*TREK
Phasing software	X-PLOR
Refinement software	REFMAC (5.8.0258)

Data quality characteristics

	Overall	Outer shell
Low resolution limit [Å]	10.000
High resolution limit [Å]	2.300 *
Rmerge	0.055
Completeness [%]	74.0 *
Redundancy	5.4	5.4 *

Crystallization Conditions

crystal ID	method	pH	temperature	details
1	VAPOR DIFFUSION, HANGING DROP	5	293	0.1 M sodium acetate, MPD, PEG3350

Crystallization Reagents in Literatures

ID	crystal ID	solution	reagent name	concentration (unit)	details
1	1	drop	sodium acetate	0.1 (M)
2	1	reservoir	sodium acetate	0.1 (M)
3	1	reservoir	MPD
4	1	reservoir	PEG3350	25 (%)