3C18

Crystal structure of nucleotidyltransferase-like protein (ZP_00538802.1) from Exiguobacterium sibiricum 255-15 at 1.90 A resolution

Experimental procedure

Experimental method	MAD
Source type	SYNCHROTRON
Source details	SSRL BEAMLINE BL11-1
Synchrotron site	SSRL
Beamline	BL11-1
Temperature [K]	100
Detector technology	CCD
Collection date	2007-12-05
Detector	MARMOSAIC 325 mm CCD
Wavelength(s)	0.91837, 0.97951
Spacegroup name	P 31 2 1
Unit cell lengths	66.740, 66.740, 456.200
Unit cell angles	90.00, 90.00, 120.00

Refinement procedure

Resolution	29.709 - 1.900
R-factor	0.186
Rwork	0.183
R-free	0.23300
Structure solution method	MAD
RMSD bond length	0.014
RMSD bond angle	1.294
Data reduction software	XDS
Data scaling software	XSCALE
Phasing software	SOLVE
Refinement software	REFMAC (5.4.0067)

Data quality characteristics

	Overall	Inner shell	Outer shell
Low resolution limit [Å]	29.709	29.709	1.970
High resolution limit [Å]	1.900	4.080	1.900
Rmerge	0.068	0.034	0.534
Number of reflections	95241	18040	18305
<I/σ(I)>	9.14	23.1	2.2
Completeness [%]	99.9	99.1	99.7

Crystallization Conditions

crystal ID	method	pH	temperature	details
1	VAPOR DIFFUSION, SITTING DROP	8.17	277	NANODROP, 10.0% PEG 6000, 0.9M Lithium chloride, 0.1M Tris-HCl pH 8.17, VAPOR DIFFUSION, SITTING DROP, temperature 277K