3IJ1

Crystal structure of Eed in complex with a trimethylated histone H4K20 peptide

X-RAY DIFFRACTION

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Starting Model(s)

Initial Refinement Model(s)
Type	Source	Accession Code	Details
experimental model	Other		SeMet Eed model

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, HANGING DROP	8	291	4M Sodium formate, pH 8.0, VAPOR DIFFUSION, HANGING DROP, temperature 291K

Crystal Properties
Matthews coefficient	Solvent content
2.57	52.13

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 57.55	α = 90
b = 85.321	β = 90
c = 91.229	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	IMAGE PLATE	RIGAKU RAXIS IV++			M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	ROTATING ANODE	RIGAKU MICROMAX-007 HF	1.5418

Data Collection

Overall
ID #	Resolution (High)	Resolution (Low)	Percent Possible (Observed)	R Merge I (Observed)	R Sym 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	2.1	50	98.9	0.109	0.109	11.4	4.6	25569	25569		2

Highest Resolution Shell
ID #	Resolution (High)	Resolution (Low)	Percent Possible (All)	Percent Possible (Observed)	R Merge I (Observed)	R-Sym I (Observed)	Mean I Over Sigma (Observed)	Redundancy	Number Unique Reflections (All)
	2.1	2.18	99.1		0.321	0.321	4.7	4.6

Refinement

Statistics
Diffraction ID	Structure Solution Method	Cross Validation method	Starting model	Resolution (High)	Resolution (Low)	Number Reflections (All)	Number Reflections (Observed)	Number Reflections (R-Free)	Percent Reflections (Observed)	R-Factor (All)	R-Factor (Observed)	R-Work	R-Free	R-Free Selection Details	Mean Isotropic B
X-RAY DIFFRACTION	MOLECULAR REPLACEMENT	THROUGHOUT	SeMet Eed model	2.1	50	25288	25288	1333	98.92	0.16819	0.16819	0.16631	0.20356	RANDOM	18.463

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]
0.28			-0.67		0.38

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	35.408
r_dihedral_angle_4_deg	14.537
r_dihedral_angle_3_deg	13.532
r_dihedral_angle_1_deg	6.554
r_scangle_it	2.328
r_scbond_it	1.419
r_angle_refined_deg	1.209
r_mcangle_it	0.991
r_mcbond_it	0.598
r_nbtor_refined	0.3
r_symmetry_vdw_refined	0.211
r_symmetry_hbond_refined	0.211
r_nbd_refined	0.184
r_xyhbond_nbd_refined	0.145
r_chiral_restr	0.092
r_bond_refined_d	0.009
r_gen_planes_refined	0.004

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	2981
Nucleic Acid Atoms
Solvent Atoms	400
Heterogen Atoms

Software

Software
Software Name	Purpose
HKL-2000	data collection
AMoRE	phasing
REFMAC	refinement
HKL-2000	data reduction
SCALEPACK	data scaling