4RQ3

Precatalytic ternary complex of Human DNA Polymerase Beta With Gapped DNA Containing an 8-oxo-7,8-dihydro-Guanine (8-oxoG) and dATP in the presence of CaCl2

X-RAY DIFFRACTION

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Starting Model(s)

Initial Refinement Model(s)
Type	Source	Accession Code	Details
experimental model	PDB	4KLD	PDB entry 4KLD

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, HANGING DROP	8	295	50 MM IMIDAZOLE, 350 MM SODIUM Acetate, 17% PEG3350, pH 8.0, VAPOR DIFFUSION, HANGING DROP, temperature 295K

Crystal Properties
Matthews coefficient	Solvent content
2.14	42.61

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 49.32	α = 90
b = 79.68	β = 106.51
c = 55.45	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	193	CCD	RAYONIX MX225HE		2014-08-06	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	APS BEAMLINE 31-ID	0.97931	APS	31-ID

Data Collection

Overall
ID #	Resolution (High)	Resolution (Low)	Percent Possible (Observed)	R Merge 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	53.16	95.6	0.103	7.3	3.5		26643

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	2.05	95		0.472	2.2	3.4	6615

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	PDB entry 4KLD	2	47.29	25340	1302	95.61	0.1941	0.1915	0.24551	RANDOM	27.921

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]
-0.07			0.14		-0.07

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	35.271
r_dihedral_angle_3_deg	13.791
r_dihedral_angle_4_deg	12.545
r_dihedral_angle_1_deg	5.416
r_long_range_B_refined	5.048
r_long_range_B_other	4.953
r_scangle_other	2.926
r_mcangle_it	2.311
r_mcangle_other	2.31
r_scbond_it	1.764
r_scbond_other	1.764
r_mcbond_it	1.371
r_mcbond_other	1.371
r_angle_refined_deg	1.282
r_angle_other_deg	0.871
r_chiral_restr	0.066
r_bond_refined_d	0.007
r_gen_planes_refined	0.005
r_bond_other_d	0.001
r_gen_planes_other	0.001
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	2613
Nucleic Acid Atoms	633
Solvent Atoms	242
Heterogen Atoms	52

Software

Software
Software Name	Purpose
PHASER	phasing
REFMAC	refinement
MOSFLM	data reduction
SCALEPACK	data scaling