2A0X

Structure of human purine nucleoside phosphorylase H257F mutant

Experimental procedure

Experimental method	SINGLE WAVELENGTH
Source type	SYNCHROTRON
Source details	NSLS BEAMLINE X29A
Synchrotron site	NSLS
Beamline	X29A
Temperature [K]	100
Detector technology	CCD
Collection date	2004-11-14
Detector	ADSC QUANTUM 315
Wavelength(s)	1.1
Spacegroup name	H 3 2
Unit cell lengths	141.764, 141.764, 166.172
Unit cell angles	90.00, 90.00, 120.00

Refinement procedure

Resolution	50.000 - 2.280
R-factor	0.229
Rwork	0.227
R-free	0.25100
Structure solution method	FOURIER SYNTHESIS
Starting model (for MR)	1rsz
RMSD bond length	0.007
RMSD bond angle	1.300
Data reduction software	HKL-2000
Data scaling software	SCALEPACK
Phasing software	CNS
Refinement software	CNS

Data quality characteristics

	Overall	Outer shell
Low resolution limit [Å]	50.000	2.360
High resolution limit [Å]	2.280	2.280
Number of reflections	29401
<I/σ(I)>	36.7	4.2
Completeness [%]	99.9	100
Redundancy	9

Crystallization Conditions

crystal ID	method	pH	temperature	details
1	VAPOR DIFFUSION, HANGING DROP	5.6	291	Na citrate, ammonium sulfate, pH 5.6, VAPOR DIFFUSION, HANGING DROP, temperature 291K