2VZ4

The N-terminal domain of MerR-like protein TipAL bound to promoter DNA

Experimental procedure

Experimental method	SINGLE WAVELENGTH
Source type	SYNCHROTRON
Source details	SLS BEAMLINE X06SA
Synchrotron site	SLS
Beamline	X06SA
Temperature [K]	100
Detector technology	CCD
Collection date	2005-06-20
Detector	MARRESEARCH
Spacegroup name	P 21 21 2
Unit cell lengths	45.850, 67.467, 73.129
Unit cell angles	90.00, 90.00, 90.00

Refinement procedure

Resolution	30.000 - 2.900
R-factor	0.24
Rwork	0.239
R-free	0.27400
Structure solution method	MOLECULAR REPLACEMENT
Starting model (for MR)	1r8d
RMSD bond length	0.008
RMSD bond angle	1.337
Data reduction software	MOSFLM
Data scaling software	SCALA
Phasing software	PHASER
Refinement software	REFMAC (5.2.0019)

Data quality characteristics

	Overall	Outer shell
Low resolution limit [Å]	72.740	3.060
High resolution limit [Å]	2.900	2.900
Rmerge	0.080	0.350
Number of reflections	5321
<I/σ(I)>	20.2	5.5
Completeness [%]	99.5	99.5
Redundancy	6.3	6.1

Crystallization Conditions

crystal ID	method	pH	temperature	details
1	VAPOR DIFFUSION, SITTING DROP	8.5		SITTING DROP CONTAINING 4 MICROLITERS PROTEIN-DNA SOLUTION PLUS 6 MICROLITERS RESERVOIR SOLUTION. PROTEIN-DNA SOLUTION: 500 MICROMOLAR (6 MILLIGRAMS/MILLILITER) PROTEIN, 275 MICROMOLAR DOUBLE-STRANDED DNA, 123 MILLIMOLAR SODIUM CHLORIDE, 16 MILLIMOLAR TRIS (TRIS(HYDROXYMETHYL)AMINOMETHANE), 8 MILLIMOLAR SODIUM CACODYLATE, 4 MILLIMOLAR MAGNESIUM CHLORIDE, 0.8 MILLIMOLAR EDTA (ETHYLENEDIAMINETETRAACETIC ACID), PH 8. RESERVOIR SOLUTION: 15% (WEIGHT/VOLUME) PEG-8K (POLY(ETHYLENE GLYCOL) WITH MOLECULAR MASS 8000 GRAMS/MOLE), 200 MILLIMOLAR MAGNESIUM CHLORIDE, 100 MILLIMOLAR TRIS (TRIS(HYDROXYMETHYL)AMINOMETHANE), PH 8.5.