3GV8

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

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
2.72	54.79

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 98.07	α = 90
b = 98.07	β = 90
c = 203.38	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)	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	50	99.7	0.121	57.94	13.3		40059

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	2.07	100		0.577		8.9	3899

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	23.84	39636	826	100	0.219	0.218	0.248	RANDOM	43.899

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]
-0.43	-0.21		-0.43		0.64

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	39.19
r_dihedral_angle_4_deg	22.614
r_dihedral_angle_3_deg	17.037
r_dihedral_angle_1_deg	6.4
r_scangle_it	3.836
r_scbond_it	2.558
r_angle_refined_deg	1.821
r_mcangle_it	1.614
r_mcbond_it	0.899
r_chiral_restr	0.135
r_bond_refined_d	0.019
r_gen_planes_refined	0.008

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	2892
Nucleic Acid Atoms	320
Solvent Atoms	240
Heterogen Atoms	33

Software

Software
Software Name	Purpose
DENZO	data reduction
SCALEPACK	data scaling
REFMAC	refinement
PDB_EXTRACT	data extraction