Experiment: 5SZT

Crystal structure of the large fragment of DNA Polymerase I from Thermus aquaticus in a closed ternary complex with 7-(N-(10-hydroxydecanoyl)-aminopentenyl)-7-deaza-2'-dATP

X-RAY DIFFRACTION

Starting Model(s)

Initial Refinement Model(s)
Type	Source	Accession Code	Details
experimental model	PDB	3M8S

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, HANGING DROP		291	0.05 M sodium cacodylate pH 6.5, 0.01 M magnesium acetate, 0.2 M ammonium acetate, 30% PEG 4000

Crystal Properties
Matthews coefficient	Solvent content
2.21	44.41

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 108.425	α = 90
b = 108.425	β = 90
c = 90.615	γ = 120

Symmetry
Space Group	P 31 2 1

Diffraction

Diffraction Experiment
ID #	Crystal ID	Scattering Type	Data Collection Temperature	Detector	Detector Type	Details	Collection Date	Monochromator	Protocol
1	1	x-ray	100	PIXEL	PSI PILATUS 6M		2015-05-08	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	SLS BEAMLINE X06DA	1.000000	SLS	X06DA

Data Collection

Overall
ID #	Resolution (High)	Resolution (Low)	Percent Possible (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	1.8	46.95	100	12.1	9.6		57320

Refinement

Statistics
Diffraction ID	Structure Solution Method	Cross Validation method	Starting model	Resolution (High)	Resolution (Low)	Cut-off Sigma (F)	Number Reflections (Observed)	Number Reflections (R-Free)	Percent Reflections (Observed)	R-Factor (Observed)	R-Work (Depositor)	R-Free (Depositor)	R-Free (DCC)	Mean Isotropic B
X-RAY DIFFRACTION	FOURIER SYNTHESIS	FREE R-VALUE	3M8S	1.8	46.949	1.33	57294	2894	99.94	0.1954	0.1936	0.2295	0.1996

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]

RMS Deviations
Key	Refinement Restraint Deviation
f_dihedral_angle_d	18.157
f_angle_d	0.634
f_chiral_restr	0.041
f_bond_d	0.003
f_plane_restr	0.003

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	4291
Nucleic Acid Atoms	568
Solvent Atoms	244
Heterogen Atoms	85

Software

Software
Software Name	Purpose
PHENIX	refinement
XDS	data reduction
Coot	model building