2XCP

TERNARY COMPLEX OF SULFOLOBUS SOLFATARICUS DPO4 DNA POLYMERASE, 7,8- DIHYDRO-8-OXODEOXYGUANINE MODIFIED DNA AND dCTP - MAGNESIUM FORM

X-RAY DIFFRACTION

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Starting Model(s)

Initial Refinement Model(s)
Type	Source	Accession Code	Details
experimental model	PDB	2C2E	PDB ENTRY 2C2E

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1		7.5		RESERVOIR:12-20% POLYETHYLENE GLYCOL 3350, 0.2 M AMMONIUM ACETATE, 0.1 M MAGNESIUM ACETATE, AND 20 MM TRIS (PH 7.5) DROP: 10MM TRIS-CL PH 7.5, 30 MM NACL, 0.5MM DCTP, 2.5MM MGCL2, 6-10% POLYETHYLENE GLYCOL 3350, 0.1M AMMONIUM ACETATE, 0.05M MAGNESIUM ACETATE

Crystal Properties
Matthews coefficient	Solvent content
3.67	59.61

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 59.757	α = 90
b = 100.429	β = 96.08
c = 105.873	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	110	CCD	MARRESEARCH	ROSENBAUM-ROCK MONOCHROMATOR HIGH -RESOLUTION DOUBLE- CRYSTAL SI(220) SAGITTAL FOCUSING, ROSENBAUM-ROCK VERTICAL FOCUSING MIRROR	2007-06-03	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	2.6	49.5	98.1	0.07	14.8	5.2		37629		1	47

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	2.6	2.76	90.1		0.49	3.7	3.8

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 2C2E	2.6	49.55	37629	1874	98.1	0.223	0.223	0.268	RANDOM	48.3

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]
4.25		3.08	-0.02		-4.23

RMS Deviations
Key	Refinement Restraint Deviation
c_dihedral_angle_d	22.1
c_scangle_it	3.09
c_mcangle_it	2.29
c_scbond_it	1.98
c_mcbond_it	1.33
c_angle_deg	1.3
c_improper_angle_d	1
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	5498
Nucleic Acid Atoms	1223
Solvent Atoms	305
Heterogen Atoms	62

Software

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