3EPZ

Structure of the replication foci-targeting sequence of human DNA cytosine methyltransferase DNMT1

X-RAY DIFFRACTION

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Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1		6	298	23 % PEG 3350, 0.1 M BIS-TRIS PH 6.0,0.2 M SODIUM ACETATE, 0.005 M TCEP, VAPOR DIFFUSION, HANGING DROP, TEMPERATURE 298K, pH 6.00

Crystal Properties
Matthews coefficient	Solvent content
2.72	54.77

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 57.544	α = 90
b = 59.768	β = 92.31
c = 96.286	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 QUANTUM 315	MIRRORS	2008-07-27	M	SINGLE WAVELENGTH

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

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	2.3	50	99.1	0.085	16.6849	3.7		28832		-3

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	2.3	2.38	91.6		0.979	1.3	3

Refinement

Statistics
Diffraction ID	Structure Solution Method	Cross Validation method	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	SAD	THROUGHOUT	2.31	48.11	27330	1473	99.53	0.21559	0.21299	0.26413	RANDOM	32.675

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]
-0.64		-0.51	-1.19		1.79

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	38.697
r_dihedral_angle_4_deg	24.841
r_dihedral_angle_3_deg	16.684
r_dihedral_angle_1_deg	5.646
r_scangle_it	2.116
r_scbond_it	1.364
r_angle_refined_deg	1.154
r_mcangle_it	0.792
r_mcbond_it	0.411
r_chiral_restr	0.082
r_bond_refined_d	0.009
r_gen_planes_refined	0.005
r_bond_other_d
r_angle_other_deg
r_gen_planes_other
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_mcbond_other
r_rigid_bond_restr
r_sphericity_free
r_sphericity_bonded

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	3438
Nucleic Acid Atoms
Solvent Atoms	91
Heterogen Atoms	21

Software

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