4IHX

Crystal structure of Fis bound to 27 bp 2-Aminopurine substituted DNA F28-2AP (AAATTTGTTTGA2T2TTGAGCAAATTT)

Experimental procedure

Experimental method	SINGLE WAVELENGTH
Source type	SYNCHROTRON
Source details	APS BEAMLINE 24-ID-C
Synchrotron site	APS
Beamline	24-ID-C
Temperature [K]	100
Detector technology	PIXEL
Collection date	2012-10-27
Detector	DECTRIS PILATUS 6M-F
Wavelength(s)	0.97910
Spacegroup name	P 21 21 21
Unit cell lengths	43.120, 91.590, 154.020
Unit cell angles	90.00, 90.00, 90.00

Refinement procedure

Resolution	78.723 - 2.800
R-factor	0.2204
Rwork	0.216
R-free	0.25910
Structure solution method	MOLECULAR REPLACEMENT
Starting model (for MR)	3iv5
RMSD bond length	0.010
RMSD bond angle	1.483
Data reduction software	XDS
Data scaling software	XSCALE
Phasing software	PHASER (2.5.1)
Refinement software	PHENIX (1.8.1_1168)

Data quality characteristics

	Overall	Inner shell	Outer shell
Low resolution limit [Å]	100.000		2.870
High resolution limit [Å]	2.800	12.520	2.800
Rmerge	0.061	0.030	0.954
Number of reflections	15566	218	1137
<I/σ(I)>	16.45	40.57	2.03
Completeness [%]	99.0	99.5	100
Redundancy	5.81

Crystallization Conditions

crystal ID	method	pH	temperature	details
1	VAPOR DIFFUSION, HANGING DROP	8.5	277	0.2 M sodium citrate, 0.1 M Tris-HCl, pH 8.5, 36% PEG400, VAPOR DIFFUSION, HANGING DROP, temperature 277K