3H4B

Ternary complex of human DNA polymerase iota with template U/T and incoming dATP

X-RAY DIFFRACTION

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Starting Model(s)

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

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, HANGING DROP	6.5	277	10-15% PEG 5K MME, 0.2-0.4 M Ammonium sulfate, 0.1 M MES , pH 6.5 , VAPOR DIFFUSION, HANGING DROP, temperature 277K

Crystal Properties
Matthews coefficient	Solvent content
2.88	57.36

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 97.998	α = 90
b = 97.998	β = 90
c = 203.67	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	110	CCD	ADSC QUANTUM 315		2006-08-05	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	APS BEAMLINE 17-ID	0.92017	APS	17-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	2.85	50	100	0.092	22.631	7.8		14231			83.2

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)
	2.85	2.95	100		0.38	6.1	7.8	1374

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 2ALZ	2.85	39.73	13690	1094	96.5	0.24	0.24	0.281	RANDOM	52.5

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]
2.68	7.58		2.68		-5.37

RMS Deviations
Key	Refinement Restraint Deviation
c_dihedral_angle_d	22.6
c_scangle_it	4.16
c_scbond_it	2.76
c_mcangle_it	2.47
c_mcbond_it	1.39
c_angle_deg	1.3
c_improper_angle_d	1.16
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	2877
Nucleic Acid Atoms	320
Solvent Atoms	156
Heterogen Atoms	31

Software

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