2C22

Efficient and High Fidelity Incorporation of dCTP Opposite 7,8- Dihydro-8-oxodeoxyguanosine by Sulfolobus solfataricus DNA Polymerase Dpo4

X-RAY DIFFRACTION

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Starting Model(s)

Initial Refinement Model(s)
Type	Source	Accession Code	Details
experimental model	PDB	2BR0	PDB ENTRY 2BR0

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1		7.5		5% PEG 3350, 10 MM TRIS-HCL PH 7.5, 50 MM CA(CH3CO2)2, 30MM NACL, 1.25% GLYCEROL

Crystal Properties
Matthews coefficient	Solvent content
2.62	51.85

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 93.277	α = 90
b = 103.91	β = 90
c = 52.498	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	110	CCD	MARRESEARCH		2005-08-01	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	APS BEAMLINE 22-ID		APS	22-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	2.56	32.47	99.8	0.07	7.9	6.78		17101		1	57.9

Highest Resolution Shell
ID #	Resolution (High)	Resolution (Low)	Percent Possible (All)	Percent Possible (Observed)	Mean I Over Sigma (Observed)	Redundancy	Number Unique Reflections (All)
1	2.56	2.72	100

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 2BR0	2.56	32.47	17101	826	99.8	0.23	0.23	0.264	RANDOM	51.6

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]
11.91			-4.59		-7.32

RMS Deviations
Key	Refinement Restraint Deviation
c_dihedral_angle_d	22.8
c_scangle_it	3.14
c_mcangle_it	2.13
c_scbond_it	1.97
c_angle_deg	1.3
c_mcbond_it	1.25
c_improper_angle_d	1.01
c_bond_d	0.008
c_bond_d_na
c_bond_d_prot
c_angle_d
c_angle_d_na
c_angle_d_prot
c_angle_deg_na
c_angle_deg_prot
c_dihedral_angle_d_na
c_dihedral_angle_d_prot
c_improper_angle_d_na
c_improper_angle_d_prot

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	2744
Nucleic Acid Atoms	609
Solvent Atoms	110
Heterogen Atoms	34

Software

Software
Software Name	Purpose
CNS	refinement
X-GEN	data reduction
X-GEN	data scaling