3SZ5

Crystal Structure of LHK-Exo in complex with 5-phosphorylated oligothymidine (dT)4

X-RAY DIFFRACTION

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, SITTING DROP	8.4	293	0.1M Tris pH 8.4, 1.0M potassium sodium tartrate tetrahydrate, VAPOR DIFFUSION, SITTING DROP, temperature 293K

Crystal Properties
Matthews coefficient	Solvent content
3.21	61.63

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 108.697	α = 90
b = 108.697	β = 90
c = 48.219	γ = 120

Symmetry
Space Group	P 63

Diffraction

Diffraction Experiment
ID #	Crystal ID	Scattering Type	Data Collection Temperature	Detector	Detector Type	Details	Collection Date	Monochromator	Protocol
1	1	x-ray	100	IMAGE PLATE	RIGAKU RAXIS IV++	mirrors	2010-01-02	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	ROTATING ANODE	RIGAKU MICROMAX-007	1.5418

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	2.8	50	99.9	0.067	35.5	6.8	8207	8198		-3

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	2.8	2.85	100		0.492	3.4	6.5	397

Refinement

Statistics
Diffraction ID	Structure Solution Method	Cross Validation method	Starting model	Resolution (High)	Resolution (Low)	Number Reflections (All)	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	3SYY	2.8	50	7822	7808	379	99.82	0.1958	0.19342	0.24772	RANDOM	69.9

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]
0.27	0.14		0.27		-0.41

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	37.005
r_dihedral_angle_3_deg	19.772
r_dihedral_angle_4_deg	17.049
r_dihedral_angle_1_deg	6.205
r_scangle_it	2.617
r_angle_refined_deg	1.55
r_scbond_it	1.526
r_mcangle_it	1.317
r_mcbond_it	0.697
r_chiral_restr	0.089

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	37.005
r_dihedral_angle_3_deg	19.772
r_dihedral_angle_4_deg	17.049
r_dihedral_angle_1_deg	6.205
r_scangle_it	2.617
r_angle_refined_deg	1.55
r_scbond_it	1.526
r_mcangle_it	1.317
r_mcbond_it	0.697
r_chiral_restr	0.089
r_bond_refined_d	0.014
r_gen_planes_refined	0.005

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	1523
Nucleic Acid Atoms	81
Solvent Atoms
Heterogen Atoms	2

Software

Software
Software Name	Purpose
CrystalClear	data collection
PHASER	phasing
REFMAC	refinement
HKL-2000	data reduction
HKL-2000	data scaling

RCSB PDB Core Operations are funded by the U.S. National Science Foundation (DBI-2321666), the US Department of Energy (DE-SC0019749), and the National Cancer Institute, National Institute of Allergy and Infectious Diseases, and National Institute of General Medical Sciences of the National Institutes of Health under grant R01GM133198.