3BFM

Crystal structure of a biotin protein ligase-like protein of unknown function (tm1040_0394) from silicibacter sp. tm1040 at 1.70 A resolution

Experimental procedure

Experimental method	MAD
Source type	SYNCHROTRON
Source details	APS BEAMLINE 23-ID-D
Synchrotron site	APS
Beamline	23-ID-D
Temperature [K]	100
Detector technology	CCD
Collection date	2007-10-26
Detector	MARMOSAIC 300 mm CCD
Wavelength(s)	0.91840, 0.97953, 0.97939
Spacegroup name	C 1 2 1
Unit cell lengths	86.760, 36.560, 71.000
Unit cell angles	90.00, 99.28, 90.00

Refinement procedure

Resolution	29.553 - 1.700
R-factor	0.182
Rwork	0.179
R-free	0.22600
Structure solution method	MAD
RMSD bond length	0.015
RMSD bond angle	1.458
Data reduction software	XDS
Data scaling software	XSCALE
Phasing software	SHELX
Refinement software	REFMAC (5.2.0019)

Data quality characteristics

	Overall	Inner shell	Outer shell
Low resolution limit [Å]	29.553	29.553	1.800
High resolution limit [Å]	1.700	4.300	1.700
Rmerge	0.076	0.037	0.532
Number of reflections	24223	2861	7112
<I/σ(I)>	7.08	17	1.6
Completeness [%]	97.5	97.3	95.1
Redundancy	3.33

Crystallization Conditions

crystal ID	method	pH	temperature	details
1	VAPOR DIFFUSION, SITTING DROP	7.5	277	NANODROP, 0.2M Ca(OAc)2, 40.0% PEG 400, 0.1M HEPES pH 7.5, VAPOR DIFFUSION, SITTING DROP, temperature 277K