3F9W

Structural Insights into Lysine Multiple Methylation by SET Domain Methyltransferases, SET8-Y334F / H4-Lys20 / AdoHcy

X-RAY DIFFRACTION

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Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, HANGING DROP	6.5	298	25% Pentaerythritol ethoxylate, 50mM Ammonium sulfate, 50mM Bis-tris, pH 6.5, VAPOR DIFFUSION, HANGING DROP, temperature 298K

Crystal Properties
Matthews coefficient	Solvent content
2.39	48.53

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 44	α = 89.2
b = 45.6	β = 87.1
c = 94.2	γ = 90.8

Symmetry
Space Group	P 1

Diffraction

Diffraction Experiment
ID #	Crystal ID	Scattering Type	Data Collection Temperature	Detector	Detector Type	Details	Collection Date	Monochromator	Protocol
1	1	x-ray	200	CCD	MAR CCD 165 mm		2006-02-06	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	APS BEAMLINE 17-ID	1.0000	APS	17-ID

Data Collection

Overall
ID #	Resolution (High)	Resolution (Low)	Percent Possible (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	1.6	12.84		0.027	38.2	3.9		91908		2

Highest Resolution Shell
ID #	Resolution (High)	Resolution (Low)	Percent Possible (All)	Percent Possible (Observed)	R-Sym I (Observed)	Mean I Over Sigma (Observed)	Redundancy	Number Unique Reflections (All)
	1.6	1.65			0.146	10.6

Refinement

Statistics
Diffraction ID	Structure Solution Method	Cross Validation 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	R-Free	R-Free Selection Details	Mean Isotropic B
X-RAY DIFFRACTION	MOLECULAR REPLACEMENT	THROUGHOUT	PDB entry 1ZKK	1.6	12.84	2	87774	4620	100	0.16435	0.16218	0.2063	RANDOM	16.999

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]
	0.01

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	26.842
r_dihedral_angle_4_deg	16.671
r_dihedral_angle_3_deg	11.798
r_dihedral_angle_1_deg	5.951
r_sphericity_free	4.229
r_scangle_it	3.452
r_sphericity_bonded	2.606
r_scbond_it	2.532
r_rigid_bond_restr	1.832
r_mcangle_it	1.623
r_angle_refined_deg	1.254
r_mcbond_it	1.029
r_nbtor_refined	0.304
r_nbd_refined	0.194
r_symmetry_vdw_refined	0.158
r_xyhbond_nbd_refined	0.13
r_symmetry_hbond_refined	0.124
r_chiral_restr	0.088
r_bond_refined_d	0.01
r_gen_planes_refined	0.005

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	5428
Nucleic Acid Atoms
Solvent Atoms	1022
Heterogen Atoms	104

Software

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