8I6A

Crystal structure of Mycobacterium tuberculosis Uracil-DNA glycosylase in complex with Orotic acid, Form III

X-RAY DIFFRACTION

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Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	MICROBATCH	6.5	293	0.1 M Bis-Tris pH 6.5, 25% PEG (w/v) 3350

Crystal Properties
Matthews coefficient	Solvent content
2.02	39.16

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 46.58	α = 90
b = 59.7	β = 90
c = 75.07	γ = 90

Symmetry
Space Group	P 21 21 21

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		2020-10-02	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	ROTATING ANODE	RIGAKU ULTRAX 18	1.5418

Data Collection

Overall
ID #	Resolution (High)	Resolution (Low)	Percent Possible (Observed)	R Merge I (Observed)	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	46.73	96.44	0.033	0.995	13.57	2		14172

Highest Resolution Shell
ID #	Resolution (High)	Resolution (Low)	Percent Possible (All)	Percent Possible (Observed)	R Merge I (Observed)	CC (Half)	Mean I Over Sigma (Observed)	Redundancy	Number Unique Reflections (All)
1	2	2.072			0.169	0.903

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	4WRV	2	46.73	13510	662	96.45	0.16997	0.16757	0.22079	RANDOM	20.472

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]
-0.63			-0.66		1.29

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	34.134
r_dihedral_angle_4_deg	21.051
r_dihedral_angle_3_deg	12.297
r_dihedral_angle_1_deg	6.678
r_long_range_B_refined	5.922
r_long_range_B_other	5.852
r_scangle_other	3.629
r_mcangle_it	2.766
r_mcangle_other	2.765
r_scbond_it	2.33
r_scbond_other	2.328
r_angle_other_deg	2.296
r_mcbond_it	1.832
r_mcbond_other	1.826
r_angle_refined_deg	1.599
r_chiral_restr	0.075
r_bond_other_d	0.035
r_gen_planes_other	0.013
r_bond_refined_d	0.01
r_gen_planes_refined	0.008
r_nbd_refined
r_nbd_other
r_nbtor_refined
r_nbtor_other
r_xyhbond_nbd_refined
r_xyhbond_nbd_other
r_metal_ion_refined
r_metal_ion_other
r_symmetry_vdw_refined
r_symmetry_vdw_other
r_symmetry_hbond_refined
r_symmetry_hbond_other
r_symmetry_metal_ion_refined
r_symmetry_metal_ion_other
r_scangle_it
r_rigid_bond_restr
r_sphericity_free
r_sphericity_bonded

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	1691
Nucleic Acid Atoms
Solvent Atoms	171
Heterogen Atoms	23

Software

Software
Software Name	Purpose
REFMAC	refinement
iMOSFLM	data reduction
SCALA	data scaling
PHASER	phasing