5VC9

Zinc finger of human CXXC4 in complex with CpG DNA

Experimental procedure

Experimental method	SINGLE WAVELENGTH
Source type	SYNCHROTRON
Source details	APS BEAMLINE 19-ID
Synchrotron site	APS
Beamline	19-ID
Temperature [K]	100
Detector technology	CCD
Collection date	2013-06-19
Detector	ADSC QUANTUM 315
Wavelength(s)	0.97918
Spacegroup name	P 1
Unit cell lengths	29.983, 40.290, 57.760
Unit cell angles	70.98, 86.43, 67.83

Refinement procedure

Resolution	27.200 - 2.100
R-factor	0.2132
Rwork	0.211
R-free	0.24810
Structure solution method	MOLECULAR REPLACEMENT
Starting model (for MR)	unpublished model of related protein-DNA complex
RMSD bond length	0.017
RMSD bond angle	1.554
Data reduction software	HKL-3000
Data scaling software	Aimless (0.5.31)
Refinement software	REFMAC (5.8.0158)

Data quality characteristics

	Overall	Inner shell	Outer shell
Low resolution limit [Å]	27.240	27.240	2.160
High resolution limit [Å]	2.100	8.910	2.100
Rmerge	0.061	0.050	0.597
Rmeas	0.081	0.066	0.820
Rpim	0.054	0.042	0.559
Total number of observations	28017	346	1874
Number of reflections	13389
<I/σ(I)>	10.1	32	1.3
Completeness [%]	97.2	88.2	92.6
Redundancy	2.1	2.1	1.8
CC(1/2)	0.995	0.992	0.653

Crystallization Conditions

crystal ID	method	pH	temperature	details
1	VAPOR DIFFUSION	7.5	291	30% PEG-1500, 5% MPD, 0.2 M sodium chloride, 0.1 M HEPES