6BHG

Crystal structure of SETDB1 with a modified H3 peptide

X-RAY DIFFRACTION

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Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION	6.5	291	20% PEG5000 MME, 0.1 M Bis-Tris

Crystal Properties
Matthews coefficient	Solvent content
2.35	47.65

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 37.709	α = 90
b = 72.363	β = 104.75
c = 52.501	γ = 90

Symmetry
Space Group	P 1 21 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	CCD	MARMOSAIC 300 mm CCD		2013-07-25	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	APS BEAMLINE 23-ID-B	0.97944	APS	23-ID-B

Data Collection

Overall
ID #	Resolution (High)	Resolution (Low)	Percent Possible (Observed)	R Merge I (Observed)	Rrim I (All)	Rpim I (All)	CC (Half)	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	1.4	41.56	99.3	0.035	0.042	0.022	1	19.9	3.7		53270

Highest Resolution Shell
ID #	Resolution (High)	Resolution (Low)	Percent Possible (All)	Percent Possible (Observed)	R Merge I (Observed)	Rrim I (All)	Rpim I (All)	CC (Half)	Mean I Over Sigma (Observed)	Redundancy	Number Unique Reflections (All)
1	1.4	1.42	93.1		0.826	1.025	0.594	0.591		2.8	2436

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	Mean Isotropic B
X-RAY DIFFRACTION	FOURIER SYNTHESIS	THROUGHOUT	earlier version of coordinates of nearly isomorphous crystal structure (see PDB entry 6BHE)	1.45	41.56	45714	2428	99.65	0.1352	0.133	0.1761	20.631

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]
0.59		-0.42	-0.29		-0.07

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	30.706
r_sphericity_free	26.859
r_dihedral_angle_4_deg	15.85
r_sphericity_bonded	13.059
r_dihedral_angle_3_deg	10.372
r_dihedral_angle_1_deg	6.509
r_mcangle_it	3.049
r_mcbond_it	2.65
r_mcbond_other	2.563
r_rigid_bond_restr	2.185
r_angle_refined_deg	1.662
r_angle_other_deg	0.996
r_chiral_restr	0.111
r_bond_refined_d	0.016
r_gen_planes_refined	0.009
r_bond_other_d	0.003
r_gen_planes_other	0.002

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	1750
Nucleic Acid Atoms
Solvent Atoms	223
Heterogen Atoms	40

Software

Software
Software Name	Purpose
REFMAC	refinement
Aimless	data scaling
PDB_EXTRACT	data extraction
XDS	data reduction
REFMAC	phasing