1AX2

ERYTHRINA CORALLODENDRON LECTIN IN COMPLEX WITH N-ACETYLLACTOSAMINE

Experimental procedure

Source type	ROTATING ANODE
Source details	RIGAKU RUH3R
Temperature [K]	298
Detector technology	IMAGE PLATE
Collection date	1993-09
Detector	RIGAKU RAXIS II
Spacegroup name	C 1 2 1
Unit cell lengths	83.930, 73.170, 71.310
Unit cell angles	90.00, 113.36, 90.00

Refinement procedure

Resolution	6.000 - 1.950
R-factor	0.169
Rwork	0.169
R-free	0.17700
Structure solution method	DIFFERENCE FOURIER FROM PREVIOUSLY DETERMINED, RELATED STRUCTURE
Starting model (for MR)	COMPLEX WITH LACTOSE PDB ENTRY 1LTE
RMSD bond length	0.006
RMSD bond angle	27.200 *
Data reduction software	DENZO
Data scaling software	SCALEPACK
Phasing software	X-PLOR
Refinement software	CNS (0.1)

Data quality characteristics

	Overall	Outer shell
Low resolution limit [Å]	20.000	2.040
High resolution limit [Å]	1.950	1.950
Rmerge	0.052	0.267 *
Total number of observations	65763 *
Number of reflections	27182
<I/σ(I)>	13	3.5
Completeness [%]	94.0	82
Redundancy	2.4	2.1

Crystallization Conditions

crystal ID	method	pH	temperature	details
1	Vapor diffusion, hanging drop *	7		pH 7.

Crystallization Reagents in Literatures

ID	crystal ID	solution	reagent name	concentration (unit)	details
1	1	drop	protein	6 (mg/ml)
2	1	drop	MPD	15 (%(v/v))
3	1	drop	HEPES	50 (mM)
4	1	drop	sodium azide	0.02 (%(w/v))
5	1	reservoir	MPD	30 (%)
6	1	reservoir	HEPES	100 (mM)
7	1	reservoir	sodium azide	0.02 (%)