3GV7

Human DNA polymerase iota in complex with T template DNA and incoming dTTP

X-RAY DIFFRACTION

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Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	hanging drop	6.5		15% PEG 5000MME, 0.2M NH4SO4, 0.1M MES 6.5, 5% glycerol, hanging drop

Crystal Properties
Matthews coefficient	Solvent content
2.65	53.64

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 97.19	α = 90
b = 97.19	β = 90
c = 201.94	γ = 120

Symmetry
Space Group	P 65 2 2

Diffraction

Diffraction Experiment
ID #	Crystal ID	Scattering Type	Data Collection Temperature	Detector	Detector Type	Details	Collection Date	Monochromator	Protocol
1	1	x-ray					2008-03-07	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	APS BEAMLINE 24-ID-C		APS	24-ID-C

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	2.2	27.04					29366

Refinement

Statistics
Diffraction ID	Structure Solution Method	Cross Validation method	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		THROUGHOUT	2.2	27.04	28762	604	100	0.21	0.209	0.258	RANDOM	50.342

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]
-0.41	-0.2		-0.41		0.61

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	39.557
r_dihedral_angle_4_deg	21.098
r_dihedral_angle_3_deg	19.021
r_dihedral_angle_1_deg	6.164
r_scangle_it	3.155
r_scbond_it	2.026
r_angle_refined_deg	1.557
r_mcangle_it	1.29
r_mcbond_it	0.653
r_chiral_restr	0.12
r_bond_refined_d	0.013
r_gen_planes_refined	0.006

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	2978
Nucleic Acid Atoms	322
Solvent Atoms	265
Heterogen Atoms	31

Software

Software
Software Name	Purpose
REFMAC	refinement
PDB_EXTRACT	data extraction