2Q34

Crystal Structure of the ECH2 decarboxylase domain of CurF from Lyngbya majuscula, rhombohedral crystal form

Experimental procedure

Experimental method	SINGLE WAVELENGTH
Source type	SYNCHROTRON
Source details	APS BEAMLINE 23-ID-B
Synchrotron site	APS
Beamline	23-ID-B
Temperature [K]	100
Detector technology	CCD
Collection date	2006-12-07
Detector	MARMOSAIC 300 mm CCD
Wavelength(s)	1.0332
Spacegroup name	H 3 2
Unit cell lengths	106.241, 106.241, 118.496
Unit cell angles	90.00, 90.00, 120.00

Refinement procedure

Resolution	36.340 - 1.850
R-factor	0.171
Rwork	0.169
R-free	0.20600
Structure solution method	MOLECULAR REPLACEMENT
Starting model (for MR)	2q2x
RMSD bond length	0.012
RMSD bond angle	1.249
Data reduction software	DENZO
Data scaling software	SCALEPACK
Phasing software	PHASER
Refinement software	REFMAC

Data quality characteristics

	Overall	Outer shell
Low resolution limit [Å]	50.000	1.920
High resolution limit [Å]	1.850	1.850
Rmerge	0.072	0.568
Number of reflections	22275
<I/σ(I)>	15.5	4.3
Completeness [%]	100.0	100
Redundancy	11	10.3

Crystallization Conditions

crystal ID	method	pH	temperature	details
1	VAPOR DIFFUSION, HANGING DROP	7.15	277.15	1.5M sodium malonate pH 7.0, 50 mM HEPES pH 6.8, 20 mM Tris pH 7.9, 500 mM NaCl, 10% glycerol, pH 7.15, VAPOR DIFFUSION, HANGING DROP, temperature 277.15K