2XC9

BINARY COMPLEX OF SULFOLOBUS SOLFATARICUS DPO4 DNA POLYMERASE AND 1, N2-ETHENOGUANINE MODIFIED DNA, MAGNESIUM FORM

X-RAY DIFFRACTION

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Starting Model(s)

Initial Refinement Model(s)
Type	Source	Accession Code	Details
experimental model	PDB	2BQ3	PDB ENTRY 2BQ3

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1		7.5		12-20% POLYETHYLENE GLYCOL 3350, 0.2 M AMMONIUM ACETATE, 0.1 M MAGNESIUM ACETATE, AND 20 MM TRIS (PH 7.5)

Crystal Properties
Matthews coefficient	Solvent content
3.16	48.08

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 93.722	α = 90
b = 102.125	β = 90
c = 53.004	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	ROSENBAUM-ROCK MONOCHROMATOR HIGH -RESOLUTION DOUBLE-CRYSTAL SI (111) SAGITTAL FOCUSING. ROSENBAUM-ROCK VERTICAL FOCUSING MIRROR	2006-03-12	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	APS BEAMLINE 22-BM		APS	22-BM

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	2.2	26.91	99.3	0.06	36.3	12.6		26245		1	43.4

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	2.28	99.3		0.48	6.2	10.4

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 2BQ3	2.2	26.91	26245	1270	99.2	0.221	0.221	0.25	RANDOM	40.7

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]
6.44			-2.43		-4.01

RMS Deviations
Key	Refinement Restraint Deviation
c_dihedral_angle_d	21.3
c_scangle_it	3.19
c_mcangle_it	2.32
c_scbond_it	2.07
c_angle_deg	1.6
c_mcbond_it	1.42
c_improper_angle_d	1.08
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	2744
Nucleic Acid Atoms	617
Solvent Atoms	247
Heterogen Atoms

Software

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