Experiment: 2XB0

DNA-binding domain from Saccharomyces cerevisiae chromatin- remodelling protein Chd1

X-RAY DIFFRACTION

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1		7.5		0.1 M TRIS, PH 8.5, 28% PEG 4K, 0.35 M MGCL2

Crystal Properties
Matthews coefficient	Solvent content
2.77	55.57

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 37.45	α = 90
b = 91.12	β = 90
c = 98.51	γ = 90

Symmetry
Space Group	P 21 21 21

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 CCD		2009-09-11	M	MAD

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	DIAMOND BEAMLINE I04		Diamond	I04

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	49.2	97.5	0.08	18.1	9.7		22943		2	34.64

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	2.11	95.9		0.82	2.5	9.4

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	MAD	NONE	2	49.255	1.34	22894	2263	97.18	0.2093	0.205	0.2083	0.2479	0.25	61.3

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]
1.8428			5.0238		-6.8666

RMS Deviations
Key	Refinement Restraint Deviation
f_dihedral_angle_d	14.263
f_angle_d	1.359
f_chiral_restr	0.085
f_bond_d	0.018
f_plane_restr	0.005

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	1842
Nucleic Acid Atoms
Solvent Atoms	109
Heterogen Atoms	14

Software

Software
Software Name	Purpose
PHENIX	refinement
MOSFLM	data reduction
SCALA	data scaling
PHENIX	phasing