1ZH6

Crystal Structure of p-acetylphenylalanine-tRNA synthetase in complex with p-acetylphenylalanine

Experimental procedure

Experimental method	SINGLE WAVELENGTH
Source type	SYNCHROTRON
Source details	ALS BEAMLINE 5.0.3
Synchrotron site	ALS
Beamline	5.0.3
Temperature [K]	100
Detector technology	CCD
Collection date	2004-07-31
Detector	ADSC QUANTUM 4
Wavelength(s)	1
Spacegroup name	P 43 21 2
Unit cell lengths	103.362, 103.362, 70.837
Unit cell angles	90.00, 90.00, 90.00

Refinement procedure

Resolution	73.130 - 2.500
R-factor	0.213
Rwork	0.209
R-free	0.27773
Structure solution method	isomorphous with 1ZH0
RMSD bond length	0.012
RMSD bond angle	1.373
Data reduction software	HKL-2000
Data scaling software	SCALEPACK
Phasing software	CCP4
Refinement software	REFMAC (5.2.0005)

Data quality characteristics

	Overall	Outer shell
Low resolution limit [Å]	100.000	2.590
High resolution limit [Å]	2.500	2.500
Rmerge	0.096	0.557
Number of reflections	13751
<I/σ(I)>	17.9	2.2
Completeness [%]	99.1	97.3

Crystallization Conditions

crystal ID	method	pH	temperature	details
1	VAPOR DIFFUSION, SITTING DROP	8.5	293	20% PEG-300, 5% PEG-8000,10% glycerol 0.1M Tris, pH 8.5, VAPOR DIFFUSION, SITTING DROP, temperature 293K