1Y1Q

Crystal Structure of the Uridine Phosphorylase from Salmonella Typhimurium in Complex with Uridine-5p-monophosphate and Sulfate Ion at 2.35A Resolution

Experimental procedure

Experimental method	SINGLE WAVELENGTH
Source type	SYNCHROTRON
Source details	EMBL/DESY, HAMBURG BEAMLINE X13
Synchrotron site	EMBL/DESY, HAMBURG
Beamline	X13
Temperature [K]	100
Detector technology	CCD
Collection date	2004-06-19
Detector	MARRESEARCH
Wavelength(s)	0.804300
Spacegroup name	P 21 21 21
Unit cell lengths	88.370, 123.730, 134.140
Unit cell angles	90.00, 90.00, 90.00

Refinement procedure

Resolution	28.660 - 2.350
R-factor	0.194
Rwork	0.194
R-free	0.23400
Structure solution method	MOLECULAR REPLACEMENT
Starting model (for MR)	1sj9
RMSD bond length	0.006
RMSD bond angle	1.400
Data scaling software	XDS
Phasing software	MOLREP (V. 7.3)
Refinement software	CNS (1.1)

Data quality characteristics

	Overall	Outer shell
Low resolution limit [Å]	28.660	2.400
High resolution limit [Å]	2.350	2.350
Rmerge	0.122	0.256
Number of reflections	60846
<I/σ(I)>	9.53	3.23
Completeness [%]	97.6	99.5
Redundancy	4.1	4.14

Crystallization Conditions

crystal ID	method	pH	temperature	details
1	VAPOR DIFFUSION, HANGING DROP	5.2	295	PEG 4000, SODIUM-ACETATE TRIHYDRATE, uridine-5p-monophosphate, ammonium sulphate, pH 5.2, VAPOR DIFFUSION, HANGING DROP, temperature 295K