2H56

Crystal structure of DNA-3-methyladenine glycosidase (10174367) from Bacillus halodurans at 2.55 A resolution

Experimental procedure

Experimental method	MAD
Source type	SYNCHROTRON
Source details	ALS BEAMLINE 8.2.2
Synchrotron site	ALS
Beamline	8.2.2
Temperature [K]	100
Detector technology	CCD
Collection date	2005-09-10
Detector	ADSC QUANTUM 315
Wavelength(s)	1.0163, 0.9798
Spacegroup name	P 65
Unit cell lengths	141.752, 141.752, 85.949
Unit cell angles	90.00, 90.00, 120.00

Refinement procedure

Resolution	46.400 - 2.550
R-factor	0.198
Rwork	0.196
R-free	0.24600
Structure solution method	MAD
RMSD bond length	0.014
RMSD bond angle	1.418
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]	46.420	46.400	2.630
High resolution limit [Å]	2.540	5.440	2.540
Rmerge	0.091	0.038	0.390
Number of reflections	31756	3403	2793
<I/σ(I)>	15.62	40.4	2
Completeness [%]	93.4	99.8	86.1
Redundancy	6.49	7.9	2

Crystallization Conditions

crystal ID	method	pH	temperature	details
1	VAPOR DIFFUSION, SITTING DROP, NANODROP	7.1	277	0.2M NaF, 20.0% PEG-3350, No Buffer, pH 7.1, VAPOR DIFFUSION, SITTING DROP, NANODROP, temperature 277K