Experiment: 8TH9

Structure of mammalian NEIL2 from Monodelphis domestica in complex with THF-containing DNA

X-RAY DIFFRACTION

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, HANGING DROP	6.5	297	50 mM BisTris, 18% PEG 3350, 5% DMSO, 1 mM TCEP, 50 mM sodium acetate. Cryoprotection by increasing to 20% PEG 3350 and 12% DMSO. Complex (90 micromolar protein + 135 micromolar DNA) mixed 1:1 with reservoir solution

Crystal Properties
Matthews coefficient	Solvent content
2.93	58.09

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 121.43	α = 90
b = 121.43	β = 90
c = 117.695	γ = 90

Symmetry
Space Group	I 41 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	100	PIXEL	DECTRIS PILATUS 6M		2019-11-01	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	APS BEAMLINE 23-ID-D	0.9794	APS	23-ID-D

Data Collection

Overall
ID #	Resolution (High)	Resolution (Low)	Percent Possible (Observed)	Rrim I (All)	Rpim I (All)	CC (Half)	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	2.08	40	100	0.136	0.029	0.997	12.4	21.6		50479			48.6

Highest Resolution Shell
ID #	Resolution (High)	Resolution (Low)	Percent Possible (All)	Percent Possible (Observed)	Rrim I (All)	Rpim I (All)	CC (Half)	Mean I Over Sigma (Observed)	Redundancy	Number Unique Reflections (All)
1	2.08	2.14			2.82	0.81	0.522	1.3

Refinement

Statistics
Diffraction ID	Structure Solution Method	Cross Validation method	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-Work (DCC)	R-Free (Depositor)	R-Free (DCC)	Mean Isotropic B
X-RAY DIFFRACTION	MIRAS	FREE R-VALUE	2.08	38.4	1.33	50479	5027	99.93	0.2244	0.2221	0.2275	0.2442	0.249	67.26

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	21.4085
f_angle_d	1.1902
f_chiral_restr	0.0614
f_plane_restr	0.0095
f_bond_d	0.0093

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	1989
Nucleic Acid Atoms	538
Solvent Atoms	59
Heterogen Atoms	5

Software

Software
Software Name	Purpose
PHENIX	refinement
MOSFLM	data reduction
Aimless	data scaling
SHARP	phasing