1PEQ

Ribonucleotide Reductase Protein R1E from Salmonella typhimurium

X-RAY DIFFRACTION

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Starting Model(s)

Initial Refinement Model(s)
Type	Source	Accession Code	Details
experimental model	PDB	1RLR	poly-alanin model of ribonucleotide reductase protein R1 from E.coli

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, HANGING DROP	7.2	288	sodium malonate, magnesium chloride, DTT, pH 7.2, VAPOR DIFFUSION, HANGING DROP, temperature 288K

Crystal Properties
Matthews coefficient	Solvent content
4.41	72.09

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 99.144	α = 90
b = 99.144	β = 90
c = 289.544	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	CCD	ADSC QUANTUM 4		2002-07-21	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	ESRF BEAMLINE ID14-1	0.9393	ESRF	ID14-1

Data Collection

Overall
ID #	Resolution (High)	Resolution (Low)	Percent Possible (Observed)	R Merge I (Observed)	R Sym 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	2.8	40	99.1	0.079	0.079	18.3	7.94	36371	36371

Highest Resolution Shell
ID #	Resolution (High)	Resolution (Low)	Percent Possible (All)	Percent Possible (Observed)	R Merge I (Observed)	R-Sym I (Observed)	Mean I Over Sigma (Observed)	Redundancy	Number Unique Reflections (All)
	2.8	2.85	99.1		0.286	0.286	5.5

Refinement

Statistics
Diffraction ID	Structure Solution Method	Cross Validation method	Starting model	Resolution (High)	Resolution (Low)	Number Reflections (All)	Number Reflections (Observed)	Number Reflections (R-Free)	Percent Reflections (Observed)	R-Factor (All)	R-Factor (Observed)	R-Work	R-Free	R-Free Selection Details	Mean Isotropic B
X-RAY DIFFRACTION	MOLECULAR REPLACEMENT	THROUGHOUT	poly-alanin model of ribonucleotide reductase protein R1 from E.coli	2.8	40	34536	34536	1815	99.26	0.2166	0.2166	0.21507	0.2464	RANDOM	48.589

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]
-0.01			-0.01		0.03

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	16.961
r_scangle_it	4.397
r_dihedral_angle_1_deg	3.373
r_scbond_it	2.564
r_angle_refined_deg	1.931
r_mcangle_it	1.92
r_mcbond_it	1.013
r_angle_other_deg	0.926
r_nbd_refined	0.271
r_symmetry_vdw_other	0.234
r_nbd_other	0.227
r_symmetry_vdw_refined	0.174
r_xyhbond_nbd_refined	0.138
r_chiral_restr	0.108
r_symmetry_hbond_refined	0.093
r_xyhbond_nbd_other	0.083
r_bond_refined_d	0.023
r_gen_planes_refined	0.008
r_gen_planes_other	0.003
r_bond_other_d	0.001
r_nbtor_other
r_symmetry_hbond_other
r_rigid_bond_restr
r_sphericity_free
r_sphericity_bonded

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	5423
Nucleic Acid Atoms
Solvent Atoms	11
Heterogen Atoms	30

Software

Software
Software Name	Purpose
REFMAC	refinement
DENZO	data reduction
SCALEPACK	data scaling
AMoRE	phasing