3BL4

Crystal structure of a protein with unknown function (arth_0117) from arthrobacter sp. fb24 at 2.20 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	2007-11-20
Detector	MARMOSAIC 325 mm CCD
Wavelength(s)	0.91837, 0.97966
Spacegroup name	P 21 21 21
Unit cell lengths	35.373, 56.127, 106.335
Unit cell angles	90.00, 90.00, 90.00

Refinement procedure

Resolution	29.975 - 2.200
R-factor	0.19
Rwork	0.184
R-free	0.24800
Structure solution method	MAD
RMSD bond length	0.012
RMSD bond angle	1.158
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]	29.975	29.975	2.260
High resolution limit [Å]	2.200	9.840	2.200
Rmerge	0.089	0.037	0.417
Total number of observations		429	2806
Number of reflections	11329
<I/σ(I)>	7	13.3	1.8
Completeness [%]	100.0	96.7	100
Redundancy	3.4	2.8	3.5

Crystallization Conditions

crystal ID	method	pH	temperature	details
1	VAPOR DIFFUSION, SITTING DROP	10.8	293	NANODROP, 1.86M Ammonium sulfate, 0.2M Lithium sulfate, 0.1M CAPS pH 10.8, VAPOR DIFFUSION, SITTING DROP, temperature 293K