Experiment: 4AFL

The crystal structure of the ING4 dimerization domain reveals the functional organization of the ING family of chromatin binding proteins.

X-RAY DIFFRACTION

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1		7.5		24% PEG 3350, 0.1 M BISTRIS- PROPANE PH:7.5, 0.4 M SODIUM NITRATE, 10% OPTISALT SOLUTION 6, SILVER BULLET ADDITIVE 3.

Crystal Properties
Matthews coefficient	Solvent content
2.66	53

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 128.45	α = 90
b = 186.6	β = 90
c = 62.22	γ = 90

Symmetry
Space Group	C 2 2 2

Diffraction

Diffraction Experiment
ID #	Crystal ID	Scattering Type	Data Collection Temperature	Detector	Detector Type	Details	Collection Date	Monochromator	Protocol
1	1	x-ray	100	CCD	ADSC QUANTUM 315r		2009-02-09	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	ESRF BEAMLINE ID23-1		ESRF	ID23-1

Data Collection

Overall
ID #	Resolution (High)	Resolution (Low)	Percent Possible (Observed)	R Merge I (Observed)	Net I Over Average Sigma (I)	Redundancy	Number Reflections (All)	Number Reflections (Observed)	Observed Criterion Sigma (F)	Observed Criterion Sigma (I)	B (Isotropic) From Wilson Plot
1	2.27	47.09	96.8	0.09	11.1	6.8		34302			35.92

Highest Resolution Shell
ID #	Resolution (High)	Resolution (Low)	Percent Possible (All)	Percent Possible (Observed)	R Merge I (Observed)	Mean I Over Sigma (Observed)	Redundancy	Number Unique Reflections (All)
1	2.27	2.4	96.8		0.36	2.1	3.3

Refinement

Statistics
Diffraction ID	Structure Solution Method	Starting model	Resolution (High)	Resolution (Low)	Cut-off Sigma (F)	Number Reflections (Observed)	Number Reflections (R-Free)	Percent Reflections (Observed)	R-Factor (Observed)	R-Work (Depositor)	R-Work (DCC)	R-Free (Depositor)	R-Free (DCC)	Mean Isotropic B
X-RAY DIFFRACTION	SAD	NONE	2.275	44.688	1.35	34302	1735	98.53	0.2073	0.2046	0.2057	0.256	0.2516

Temperature Factor Modeling
Anisotropic B[1][1]	Anisotropic B[1][2]	Anisotropic B[1][3]	Anisotropic B[2][2]	Anisotropic B[2][3]	Anisotropic B[3][3]
-3.1314			-2.6657		-2.8637

RMS Deviations
Key	Refinement Restraint Deviation
f_dihedral_angle_d	16.597
f_angle_d	0.995
f_chiral_restr	0.061
f_bond_d	0.008
f_plane_restr	0.004

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	4692
Nucleic Acid Atoms
Solvent Atoms	186
Heterogen Atoms

Software

Software
Software Name	Purpose
PHENIX	refinement
XDS	data reduction
XSCALE	data scaling
SHELX	phasing