2P7H

Crystal structure of a sam dependent methyl-transferase type 12 family protein (eca1738) from pectobacterium atrosepticum scri1043 at 1.85 A resolution

Experimental procedure

Experimental method	SINGLE WAVELENGTH
Source type	SYNCHROTRON
Source details	SSRL BEAMLINE BL11-1
Synchrotron site	SSRL
Beamline	BL11-1
Temperature [K]	100
Detector technology	CCD
Collection date	2007-03-02
Detector	MARMOSAIC 325 mm CCD
Wavelength(s)	0.97899
Spacegroup name	P 4 21 2
Unit cell lengths	117.949, 117.949, 150.532
Unit cell angles	90.00, 90.00, 90.00

Refinement procedure

Resolution	29.934 - 1.850
R-factor	0.15
Rwork	0.149
R-free	0.18300
Structure solution method	SAD
RMSD bond length	0.014
RMSD bond angle	1.413
Data reduction software	MOSFLM
Data scaling software	SCALA
Phasing software	SOLVE
Refinement software	REFMAC (5.2.0019)

Data quality characteristics

	Overall	Inner shell	Outer shell
Low resolution limit [Å]	29.934	29.930	1.900
High resolution limit [Å]	1.850	8.270	1.850
Rmerge	0.146	0.011	0.011
Total number of observations		7313	49037
Number of reflections	90790
<I/σ(I)>	4.1	10.1	0.7
Completeness [%]	99.9	96.8	100
Redundancy	7.4	6.5	7.4

Crystallization Conditions

crystal ID	method	pH	temperature	details
1	VAPOR DIFFUSION, SITTING DROP	7.5	277	NANODROP, 64.4% 2-methyl-2,4-pentanediol, 0.1M Tris-HCl pH 7.5, VAPOR DIFFUSION, SITTING DROP, temperature 277K