2J6U

Ternary complex of Sulfolobus solfataricus Dpo4 DNA polymerase, O6- methylguanine modified DNA, and dGTP.

X-RAY DIFFRACTION

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Starting Model(s)

Initial Refinement Model(s)
Type	Source	Accession Code	Details
experimental model	PDB	2C22	PDB ENTRY 2C22

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1		7.4		10% PEG 3350, 25 MM TRIS-HCL PH 7.4, 100 MM CA(CH3CO2)2, 50MM NACL, 5 MM CACL2, 1 MM DGTP, AND 2.5% GLYCEROL

Crystal Properties
Matthews coefficient	Solvent content
2.46	49.18

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 92.318	α = 90
b = 102.285	β = 90
c = 52.485	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	ADSC CCD	PT-COATED MIRROR	2006-07-25	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	NSLS BEAMLINE X25		NSLS	X25

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	2.5	30	98.8	0.08	32.17	15.1		17652			57.7

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	2.5	2.59	92.1		0.6	3.18	9.5

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 2C22	2.5	28.69	17652	846	98.7	0.217	0.217	0.265	RANDOM	56

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]
1.43			5.4		-6.82

RMS Deviations
Key	Refinement Restraint Deviation
c_dihedral_angle_d	22.8
c_scangle_it	4.47
c_improper_angle_d	3.46
c_mcangle_it	2.87
c_scbond_it	2.74
c_mcbond_it	1.72
c_angle_deg	1.4
c_bond_d	0.007
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	2774
Nucleic Acid Atoms	629
Solvent Atoms	147
Heterogen Atoms	34

Software

Software
Software Name	Purpose
CNS	refinement
HKL-2000	data reduction
HKL-2000	data scaling
CNS	phasing