1XQP

Crystal structure of 8-oxoguanosine complexed Pa-AGOG, 8-oxoguanine DNA glycosylase from Pyrobaculum aerophilum

X-RAY DIFFRACTION

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Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, SITTING DROP	7.5	295	PEG 4000, HEPES-NaOH, NaCl, Dithio threitol, Dimethyl sulfoxide, pH 7.5, VAPOR DIFFUSION, SITTING DROP, temperature 295K

Crystal Properties
Matthews coefficient	Solvent content
2.2	43

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 72.22	α = 90
b = 98.11	β = 90
c = 36.17	γ = 90

Symmetry
Space Group	P 21 21 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	IMAGE PLATE	MAR scanner 345 mm plate	Osmic mirrors	2003-11-14	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	ROTATING ANODE	ENRAF-NONIUS FR591	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	1.69	57.74	96.7	0.062	0.054	17	6.8	28623	28623		-3	32.6

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	1.69	1.8	90.5		0.578	3.47	6.12	4548

Refinement

Statistics
Diffraction ID	Structure Solution Method	Cross Validation method	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	FOURIER SYNTHESIS	THROUGHOUT	1.69	40	27180	27180	1452	96.71	0.18467	0.18467	0.18258	0.22479	RANDOM	28.831

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]
-0.16			-0.4		0.56

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	29.615
r_dihedral_angle_4_deg	14.831
r_dihedral_angle_3_deg	13.171
r_dihedral_angle_1_deg	5.036
r_scangle_it	2.738
r_scbond_it	1.937
r_angle_refined_deg	1.609
r_angle_other_deg	1.428
r_mcangle_it	1.128
r_mcbond_it	1.01
r_symmetry_vdw_other	0.28
r_nbd_refined	0.208
r_mcbond_other	0.204
r_nbd_other	0.175
r_chiral_restr	0.156
r_xyhbond_nbd_refined	0.153
r_symmetry_vdw_refined	0.135
r_symmetry_hbond_refined	0.127
r_nbtor_other	0.083
r_bond_refined_d	0.016
r_gen_planes_refined	0.006
r_bond_other_d	0.001
r_gen_planes_other	0.001

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	2049
Nucleic Acid Atoms
Solvent Atoms	227
Heterogen Atoms	40

Software

Software
Software Name	Purpose
REFMAC	refinement
MAR345	data collection
XDS	data scaling
PHASES	phasing