3TTQ

Crystal structure of Leuconostoc mesenteroides NRRL B-1299 N-terminally truncated dextransucrase DSR-E in orthorhombic apo-form at 1.9 angstrom resolution

Experimental procedure

Experimental method	SINGLE WAVELENGTH
Source type	SYNCHROTRON
Source details	SOLEIL BEAMLINE PROXIMA 1
Synchrotron site	SOLEIL
Beamline	PROXIMA 1
Temperature [K]	100
Detector technology	CCD
Collection date	2011-06-23
Detector	ADSC QUANTUM 315r
Wavelength(s)	0.954
Spacegroup name	P 21 21 21
Unit cell lengths	68.180, 100.240, 187.210
Unit cell angles	90.00, 90.00, 90.00

Refinement procedure

Resolution	46.030 - 1.900
R-factor	0.15875
Rwork	0.157
R-free	0.19846
Structure solution method	MOLECULAR REPLACEMENT
Starting model (for MR)	3tto
RMSD bond length	0.020
RMSD bond angle	1.835
Data reduction software	XDS
Data scaling software	XSCALE
Phasing software	PHASER
Refinement software	REFMAC (5.6.0117)

Data quality characteristics

	Overall	Outer shell
Low resolution limit [Å]	46.030	1.950
High resolution limit [Å]	1.900	1.900
Number of reflections	98989
<I/σ(I)>	18	4.4
Completeness [%]	97.2	97
Redundancy	6.2

Crystallization Conditions

crystal ID	method	pH	temperature	details
1	VAPOR DIFFUSION, HANGING DROP		285	15% PEG 3350, 0.1M ammonium nitrate, VAPOR DIFFUSION, HANGING DROP, temperature 285K