7Q39

Ribonucleotide Reductase R2_genomic protein from Aquifex aeolicus

X-RAY DIFFRACTION

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Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, SITTING DROP		291	0.1 M citrate pH 4.0, 1.0 M lithium chloride, 20 % PEG6000

Crystal Properties
Matthews coefficient	Solvent content
2.53	51.33

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 69.246	α = 90
b = 69.246	β = 90
c = 177.57	γ = 90

Symmetry
Space Group	P 43 21 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 EIGER2 X 16M		2021-09-21	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	DIAMOND BEAMLINE I03	0.9763	Diamond	I03

Data Collection

Overall
ID #	Resolution (High)	Resolution (Low)	Percent Possible (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	2.1	47.247	100	1	22.9	25.7		26173

Highest Resolution Shell
ID #	Resolution (High)	Resolution (Low)	Percent Possible (All)	Percent Possible (Observed)	CC (Half)	Mean I Over Sigma (Observed)	Redundancy	Number Unique Reflections (All)
1	2.1	2.16			0.673

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 (All)	R-Work	R-Free	Mean Isotropic B
X-RAY DIFFRACTION	MOLECULAR REPLACEMENT	FREE R-VALUE	7AIL	2.1	47.247	26093	1284	99.977	0.241	0.2378	0.2973	62.164

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]
1.57			1.57		-3.141

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	37.143
r_dihedral_angle_4_deg	18.102
r_dihedral_angle_3_deg	17.707
r_lrange_it	9.598
r_lrange_other	9.553
r_mcangle_it	6.791
r_mcangle_other	6.789
r_scangle_it	6.778
r_scangle_other	6.777
r_dihedral_angle_1_deg	6.495
r_mcbond_other	4.651
r_mcbond_it	4.65
r_scbond_it	4.444
r_scbond_other	4.442
r_angle_refined_deg	1.352
r_angle_other_deg	1.221
r_symmetry_xyhbond_nbd_refined	0.221
r_nbd_refined	0.22
r_xyhbond_nbd_refined	0.215
r_symmetry_nbd_other	0.182
r_nbtor_refined	0.176
r_nbd_other	0.176
r_symmetry_nbd_refined	0.149
r_symmetry_nbtor_other	0.076
r_chiral_restr	0.06
r_metal_ion_refined	0.054
r_symmetry_xyhbond_nbd_other	0.051
r_bond_refined_d	0.006
r_gen_planes_refined	0.006
r_bond_other_d	0.001
r_gen_planes_other	0.001

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	2662
Nucleic Acid Atoms
Solvent Atoms	69
Heterogen Atoms	2

Software

Software
Software Name	Purpose
REFMAC	refinement
DIALS	data reduction
Aimless	data scaling
PHASER	phasing