1RXS

E. coli uridine phosphorylase: 2'-deoxyuridine phosphate complex

X-RAY DIFFRACTION

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Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	BATCH METHOD UNDER OIL	7.5	289	TRIS HCL, PEG4000, POTASSIUM ACETATE, 2'-DEOXYURIDINE, SODIUM ORTHOVANADATE, pH 7.50, BATCH METHOD UNDER OIL, temperature 289K

Crystal Properties
Matthews coefficient	Solvent content
2.25	44.85

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 160.958	α = 90
b = 98.212	β = 109.09
c = 242.729	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	115	IMAGE PLATE	MARRESEARCH	OSMIC	2002-08-05	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	ROTATING ANODE	RIGAKU RU200	1.5418

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	2.8	40.49	97.8	0.123	5.4	3.1	173525	173525			46.18

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	2.8	2.94	95.3		0.413	1.8	3.1	19170

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	DETWINNED HEXAMERIC NATIVE UP	2.8	26.75	166227	166227	8725	99.16	0.17794	0.17794	0.17585	0.21814	RANDOM	17.286

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]
-0.11		0.1	0.91		-0.73

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_1_deg	5.995
r_scangle_it	3.011
r_scbond_it	1.639
r_angle_refined_deg	1.362
r_mcangle_it	0.966
r_symmetry_vdw_refined	0.552
r_symmetry_hbond_refined	0.521
r_mcbond_it	0.474
r_nbd_refined	0.215
r_xyhbond_nbd_refined	0.15
r_chiral_restr	0.088
r_metal_ion_refined	0.071
r_bond_refined_d	0.013
r_gen_planes_refined	0.004
r_bond_other_d
r_angle_other_deg
r_dihedral_angle_2_deg
r_dihedral_angle_3_deg
r_dihedral_angle_4_deg
r_gen_planes_other
r_nbd_other
r_nbtor_refined
r_nbtor_other
r_xyhbond_nbd_other
r_metal_ion_other
r_symmetry_vdw_other
r_symmetry_hbond_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	55267
Nucleic Acid Atoms
Solvent Atoms	1581
Heterogen Atoms	760

Software

Software
Software Name	Purpose
MOSFLM	data reduction
SCALA	data scaling
AMoRE	phasing
REFMAC	refinement
CCP4	data scaling