1M4R

CRYSTAL STRUCTURE OF RECOMBINANT HUMAN INTERLEUKIN-22

Experimental procedure

Experimental method	SINGLE WAVELENGTH
Source type	SYNCHROTRON
Source details	LNLS BEAMLINE D03B-MX1
Synchrotron site	LNLS
Beamline	D03B-MX1
Temperature [K]	100
Detector technology	IMAGE PLATE
Collection date	2001-01-01
Detector	MARRESEARCH
Wavelength(s)	1.54
Spacegroup name	P 21 21 21
Unit cell lengths	55.430, 61.610, 73.470
Unit cell angles	90.00, 90.00, 90.00

Refinement procedure

Resolution	21.700 * - 2.000
R-factor	0.19
Rwork	0.188
R-free	0.22000
Structure solution method	SIRAS
RMSD bond length	0.006 *
RMSD bond angle	19.100 *
Data scaling software	SCALEPACK
Phasing software	SHARP
Refinement software	CNS (1.1)

Data quality characteristics

	Overall	Outer shell
Low resolution limit [Å]	21.700 *	2.050
High resolution limit [Å]	2.000	2.000
Rmerge	0.082	0.350
Total number of observations	61846 *
Number of reflections	16382 *
<I/σ(I)>	14.5	3.8
Completeness [%]	92.7 *	82.3
Redundancy	3.8 *	3.4 *

Crystallization Conditions

crystal ID	method	pH	temperature	details
1	VAPOR DIFFUSION, HANGING DROP	5.4 *	300	0.9 sodium tartrate, TRITON X-100 detergent, 0.1 M HEPES, pH 7.5, VAPOR DIFFUSION, HANGING DROP, temperature 300K

Crystallization Reagents in Literatures

ID	crystal ID	solution	reagent name	concentration (unit)	details
1	1	reservoir	sodium tartrate	0.9 (M)
2	1	reservoir	HEPES	0.1 (M)	pH7.5
3	1	drop	protein	10 (mg/ml)
4	1	drop	MES	20 (mM)	pH5.4