3S8A

Structure of Yeast Ribonucleotide Reductase R293A with dGTP

X-RAY DIFFRACTION

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Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	EVAPORATION	7	298	20-25% PEG 3350, 0.1 M HEPES, 0.1 M sodium chloride, pH 7.0, EVAPORATION, temperature 298K

Crystal Properties
Matthews coefficient	Solvent content
2.07	40.7

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 108.443	α = 90
b = 117.716	β = 90
c = 64.781	γ = 90

Symmetry
Space Group	P 21 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	CCD	MAR CCD 165 mm		2010-08-02	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	APS BEAMLINE 23-ID-B	1.03	APS	23-ID-B

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	2.9	20	96.49	0.13	10.1	4.14		16450

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	2.9	2.97	98		0.542	2.2	4.35	2900

Refinement

Statistics
Diffraction ID	Structure Solution Method	Cross Validation method	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	Isomorphous	THROUGHOUT	2.9	19.99	16450	1834	96.49	0.23485	0.22752	0.29965	RANDOM	75.589

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
r_dihedral_angle_2_deg	36.838
r_dihedral_angle_4_deg	23.16
r_dihedral_angle_3_deg	21.237
r_dihedral_angle_1_deg	6.821
r_scangle_it	2.245
r_angle_refined_deg	1.643
r_scbond_it	1.345
r_mcangle_it	1.046
r_mcbond_it	0.584
r_nbtor_refined	0.321
r_nbd_refined	0.245
r_symmetry_vdw_refined	0.235
r_xyhbond_nbd_refined	0.17
r_symmetry_hbond_refined	0.127
r_chiral_restr	0.112
r_metal_ion_refined	0.024
r_bond_refined_d	0.014
r_gen_planes_refined	0.005
r_bond_other_d
r_angle_other_deg
r_gen_planes_other
r_nbd_other
r_nbtor_other
r_xyhbond_nbd_other
r_metal_ion_other
r_symmetry_vdw_other
r_symmetry_hbond_other
r_symmetry_metal_ion_refined
r_symmetry_metal_ion_other
r_mcbond_other
r_rigid_bond_restr
r_sphericity_free
r_sphericity_bonded

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	5296
Nucleic Acid Atoms
Solvent Atoms	13
Heterogen Atoms	32

Software

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