5H6Z

Crystal structure of Set7, a novel histone methyltransferase in Schizossacharomyces pombe

X-RAY DIFFRACTION

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Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, HANGING DROP	7.5	286	250mM Ammonium Sulfate, 14% PEG 3.350, 1(protein):1(buffer):0.4 ratio of 0.3M Glycyl-glycyl-glycine (~48mM final conc), Protein concentration(4mg/mL), Protein buffer(10mM Tris pH 7.5) Temperature(13), Well volume(500ul), 5uL of HCL (12.1M) was added to the reservoir drop prior to drop setup

Crystal Properties
Matthews coefficient	Solvent content
2.08	40.81

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 66.181	α = 90
b = 66.181	β = 90
c = 257.699	γ = 120

Symmetry
Space Group	P 65 2 2

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 QUANTUM 270		2016-05-16	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	PAL/PLS BEAMLINE 7A (6B, 6C1)	0.97933	PAL/PLS	7A (6B, 6C1)

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	1.999	57.314	91	4.2	5.8		21580

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	2.03	96.4		0.806	2.03	5.8

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	3KMA	2	57.31	20488	1111	91	0.174	0.172	0.221	RANDOM	32.42

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]
-0.03	-0.01		-0.03		0.09

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	32.354
r_dihedral_angle_3_deg	14.5
r_dihedral_angle_4_deg	13.492
r_long_range_B_refined	9.334
r_long_range_B_other	9.332
r_dihedral_angle_1_deg	7.516
r_scangle_other	6.722
r_mcangle_it	4.808
r_mcangle_other	4.806
r_scbond_it	4.237
r_scbond_other	4.236
r_mcbond_other	3.136
r_mcbond_it	3.135
r_angle_refined_deg	1.978
r_angle_other_deg	1.074
r_chiral_restr	0.125
r_bond_refined_d	0.019
r_gen_planes_refined	0.012
r_bond_other_d	0.002
r_gen_planes_other	0.002
r_nbd_refined
r_nbd_other
r_nbtor_refined
r_nbtor_other
r_xyhbond_nbd_refined
r_xyhbond_nbd_other
r_metal_ion_refined
r_metal_ion_other
r_symmetry_vdw_refined
r_symmetry_vdw_other
r_symmetry_hbond_refined
r_symmetry_hbond_other
r_symmetry_metal_ion_refined
r_symmetry_metal_ion_other
r_scangle_it
r_rigid_bond_restr
r_sphericity_free
r_sphericity_bonded

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	2013
Nucleic Acid Atoms
Solvent Atoms	204
Heterogen Atoms	29

Software

Software
Software Name	Purpose
REFMAC	refinement
HKL-2000	data reduction
HKL-2000	data scaling
Sir2014	phasing
PHENIX	model building