4IHW

Crystal structure of Fis bound to 27 bp Inosine substituted DNA F28-dI (AAATTTGTTTGAICITTGAGCAAATTT)

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	CCD
Collection date	2011-10-17
Detector	ADSC QUANTUM 315
Wavelength(s)	0.97949
Spacegroup name	P 21 21 21
Unit cell lengths	43.370, 94.400, 154.990
Unit cell angles	90.00, 90.00, 90.00

Refinement procedure

Resolution	45.320 - 2.700
R-factor	0.2247
Rwork	0.221
R-free	0.26040
Structure solution method	MOLECULAR REPLACEMENT
Starting model (for MR)	3iv5
RMSD bond length	0.010
RMSD bond angle	1.574
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		2.770
High resolution limit [Å]	2.700	12.080	2.700
Rmerge	0.084	0.035	0.848
Number of reflections	17708
<I/σ(I)>	14.4	23.98	2.85
Completeness [%]	97.2	63.8	95.8
Redundancy	6.56

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