1JSL

Crystal structure of Erwinia chrysanthemi L-asparaginase complexed with 6-HYDROXY-D-NORLEUCINE

Experimental procedure

Experimental method	SINGLE WAVELENGTH
Source type	ROTATING ANODE
Source details	RIGAKU RU200
Temperature [K]	100
Detector technology	IMAGE PLATE
Collection date	2000-08-14
Detector	MARRESEARCH
Wavelength(s)	1.5418
Spacegroup name	C 1 2 1
Unit cell lengths	106.150, 90.386, 127.370
Unit cell angles	90.00, 91.38, 90.00

Refinement procedure

Resolution	20.000 - 1.700
R-factor	0.186 *
Rwork	0.186
R-free	0.21100 *
Structure solution method	ISOMORPHOUS REPLACEMENT
Starting model (for MR)	1hb1
RMSD bond length	0.006 *
RMSD bond angle	23.600 *
Data reduction software	DENZO
Data scaling software	SCALEPACK
Phasing software	CNS
Refinement software	CNS

Data quality characteristics

	Overall	Outer shell
Low resolution limit [Å]	20.000	1.740
High resolution limit [Å]	1.700	1.700
Rmerge	0.083	0.442
Total number of observations	3550082 *
Number of reflections	122183
<I/σ(I)>	11.54	2.15
Completeness [%]	92.0	80.5
Redundancy	2.91	2.5

Crystallization Conditions

crystal ID	method	pH	temperature	details
1	VAPOR DIFFUSION, HANGING DROP	8 *	293	Miller, M., (1993) FEBS Lett., 328, 275. *

Crystallization Reagents in Literatures

ID	crystal ID	solution	reagent name	concentration (unit)	details
1	1	reservoir	ammonium sulfate	50 (%)	pH8-9
2	1	reservoir	CHES	0.1 (M)
3	1	reservoir	PEG400	2 (%(w/v))