1YI1

Crystal structure of Arabidopsis thaliana Acetohydroxyacid synthase In Complex With A Sulfonylurea Herbicide, Tribenuron methyl

Experimental procedure

Experimental method	SINGLE WAVELENGTH
Source type	SYNCHROTRON
Source details	APS BEAMLINE 14-BM-D
Synchrotron site	APS
Beamline	14-BM-D
Temperature [K]	100
Detector technology	CCD
Collection date	2003-12-12
Detector	ADSC QUANTUM 4
Wavelength(s)	1.00
Spacegroup name	P 64 2 2
Unit cell lengths	179.060, 179.060, 186.145
Unit cell angles	90.00, 90.00, 120.00

Refinement procedure

Resolution	50.000 - 2.900
R-factor	0.1906
Rwork	0.187
R-free	0.22500
Structure solution method	FOURIER SYNTHESIS
Starting model (for MR)	1ybh
Data reduction software	DENZO
Data scaling software	SCALEPACK
Phasing software	CNS
Refinement software	CNS

Data quality characteristics

	Overall	Outer shell
Low resolution limit [Å]	50.000	3.000
High resolution limit [Å]	2.900	2.900
Rmerge	0.095
Number of reflections	35505
<I/σ(I)>	8.4	3.2
Completeness [%]	90.7	85.5
Redundancy	4.8	3.5

Crystallization Conditions

crystal ID	method	pH	temperature	details
1	VAPOR DIFFUSION, HANGING DROP		290	Tris, FAD, DTT, ThDP, magnesium chloride, tribenuron methyl, CHES, lithium sufate, potassium sodium tartrate, pH 9.0-9.8, VAPOR DIFFUSION, HANGING DROP, temperature 290K