6EBO

Crystal Structure of the Class Ie Ribonucleotide Reductase Beta Subunit from Aerococcus urinae in Unactivated Form

X-RAY DIFFRACTION

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, HANGING DROP	8.5	298	16% (w/v) PEG 4000, 0.3 M calcium chloride, 0.1 M Tris pH 8.5

Crystal Properties
Matthews coefficient	Solvent content
2.24	45.12

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 79.847	α = 90
b = 109.074	β = 90.04
c = 83.728	γ = 90

Symmetry
Space Group	P 1 21 1

Diffraction

Diffraction Experiment
ID #	Crystal ID	Scattering Type	Data Collection Temperature	Detector	Detector Type	Details	Collection Date	Monochromator	Protocol
1	1	x-ray	100	CCD	RAYONIX MX-300		2018-03-27	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	APS BEAMLINE 21-ID-F	0.97872	APS	21-ID-F

Data Collection

Overall
ID #	Resolution (High)	Resolution (Low)	Percent Possible (Observed)	R Merge I (Observed)	Rrim I (All)	Rpim I (All)	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	1.58	50	99.3	0.111	0.12	0.044	7.9	7.3		194118

Highest Resolution Shell
ID #	Resolution (High)	Resolution (Low)	Percent Possible (All)	Percent Possible (Observed)	R Merge I (Observed)	Rrim I (All)	Rpim I (All)	CC (Half)	Mean I Over Sigma (Observed)	Redundancy	Number Unique Reflections (All)
1	1.58	1.61	88.8		0.649	0.718	0.3	0.759		5.5

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	1KGN	1.58	39.67	178488	9388	96.49	0.1622	0.1617	0.1722	RANDOM	13.584

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]
-1.05		1.6	1.56		-0.5

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	35.629
r_dihedral_angle_3_deg	12.42
r_dihedral_angle_4_deg	9.7
r_dihedral_angle_1_deg	5.078
r_angle_refined_deg	1.062
r_angle_other_deg	0.888
r_chiral_restr	0.061
r_bond_refined_d	0.007
r_gen_planes_refined	0.004
r_bond_other_d	0.001

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	35.629
r_dihedral_angle_3_deg	12.42
r_dihedral_angle_4_deg	9.7
r_dihedral_angle_1_deg	5.078
r_angle_refined_deg	1.062
r_angle_other_deg	0.888
r_chiral_restr	0.061
r_bond_refined_d	0.007
r_gen_planes_refined	0.004
r_bond_other_d	0.001
r_gen_planes_other	0.001

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	10024
Nucleic Acid Atoms
Solvent Atoms	720
Heterogen Atoms	30

Software

Software
Software Name	Purpose
HKL-2000	data reduction
HKL-2000	data scaling
PHASER	phasing
REFMAC	refinement
PDB_EXTRACT	data extraction

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.