5BT2

MeCP2 MBD domain (A140V) in complex with methylated DNA

X-RAY DIFFRACTION

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Starting Model(s)

Initial Refinement Model(s)
Type	Source	Accession Code	Details
experimental model	PDB	3C2I

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, HANGING DROP	6.5	291	30% PEG 2000, 200 mM ammonium acetate, 10 mM magnesium acetate, 50 mM sodium cacodylate

Crystal Properties
Matthews coefficient	Solvent content
2.18	43.49

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 78.66	α = 90
b = 53.49	β = 132.47
c = 65.78	γ = 90

Symmetry
Space Group	C 1 2 1

Diffraction

Diffraction Experiment
ID #	Crystal ID	Scattering Type	Data Collection Temperature	Detector	Detector Type	Details	Collection Date	Monochromator	Protocol
1	1	x-ray	100	PIXEL	PSI PILATUS 6M		2012-12-21	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	DIAMOND BEAMLINE I02	0.9795	Diamond	I02

Data Collection

Overall
ID #	Resolution (High)	Resolution (Low)	Percent Possible (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	2.2	48.5	98.9	9.2	3.8		10482

Refinement

Statistics
Diffraction ID	Structure Solution Method	Cross Validation method	Starting model	Resolution (High)	Resolution (Low)	Number Reflections (Observed)	Number Reflections (R-Free)	Percent Reflections (Observed)	R-Factor (Observed)	R-Work	R-Free	R-Free Selection Details	Mean Isotropic B
X-RAY DIFFRACTION	MOLECULAR REPLACEMENT	THROUGHOUT	3C2I	2.2	48.5	9955	525	98.7	0.1773	0.1746	0.2266	RANDOM	73.464

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]
3.12		1.92	-3.4		-1.21

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	37.287
r_dihedral_angle_4_deg	26.745
r_dihedral_angle_3_deg	19.85
r_dihedral_angle_1_deg	8.441
r_mcangle_it	4.709
r_mcbond_it	3.399
r_mcbond_other	3.399
r_angle_refined_deg	1.83
r_angle_other_deg	1.372
r_chiral_restr	0.092
r_gen_planes_refined	0.013
r_bond_refined_d	0.011
r_bond_other_d	0.003
r_gen_planes_other	0.002

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	572
Nucleic Acid Atoms	816
Solvent Atoms	141
Heterogen Atoms

Software

Software
Software Name	Purpose
MOSFLM	data collection
SCALA	data scaling
REFMAC	refinement
PDB_EXTRACT	data extraction
SCALA	data reduction
MOLREP	phasing