1RXC

E. COLI uridine phosphorylase: 5-fluorouracil ribose-1-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, 5-FLUOROURACIL, RIBOSE-1-PHOSPHATE, pH 7.50, BATCH METHOD UNDER OIL, temperature 289K

Crystal Properties
Matthews coefficient	Solvent content
2.1	40.99

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 90.188	α = 90
b = 191.701	β = 118.5
c = 91.909	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	2002-08-01	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	ROTATING ANODE	RIGAKU RU200H	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	2.35	16.93	92.7	0.109	6.2	6.5	105171	105171			34.1

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	2.35	2.47	84.9		0.419	1.8	6.7	13305

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		THROUGHOUT	2.35	16.93	99877	5294	92.74	0.15267	0.14999	0.2025	RANDOM	19.214

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]
0.06		0.05	-0.08		0.07

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_1_deg	6.211
r_scangle_it	1.786
r_angle_refined_deg	1.214
r_scbond_it	1.015
r_angle_other_deg	0.819
r_mcangle_it	0.757
r_mcbond_it	0.406
r_nbd_other	0.231
r_symmetry_vdw_other	0.229
r_nbd_refined	0.191
r_symmetry_vdw_refined	0.17
r_xyhbond_nbd_refined	0.163
r_metal_ion_refined	0.14
r_symmetry_hbond_refined	0.127
r_nbtor_other	0.082
r_chiral_restr	0.068
r_bond_refined_d	0.009
r_gen_planes_refined	0.003
r_bond_other_d	0.002
r_gen_planes_other	0.002
r_dihedral_angle_2_deg
r_dihedral_angle_3_deg
r_dihedral_angle_4_deg
r_nbtor_refined
r_xyhbond_nbd_other
r_metal_ion_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	22320
Nucleic Acid Atoms
Solvent Atoms	1149
Heterogen Atoms	212

Software

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