2PXH

Crystal structure of a bipyridylalanyl-tRNA synthetase

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	2006-05-09
Detector	ADSC QUANTUM 4
Spacegroup name	P 43 21 2
Unit cell lengths	100.841, 100.841, 71.072
Unit cell angles	90.00, 90.00, 90.00

Refinement procedure

Resolution	71.250 - 1.970
R-factor	0.193
Rwork	0.191
R-free	0.24200
Structure solution method	MOLECULAR REPLACEMENT
Starting model (for MR)	1j1u
RMSD bond length	0.017
RMSD bond angle	1.692
Data reduction software	HKL-2000
Data scaling software	HKL-2000
Phasing software	AMoRE
Refinement software	REFMAC (5.2.0019)

Data quality characteristics

	Overall	Outer shell
Low resolution limit [Å]	100.000	2.050
High resolution limit [Å]	1.970	1.970
Number of reflections	25063
<I/σ(I)>	26.2
Completeness [%]	99.7	98.2
Redundancy	7.7

Crystallization Conditions

crystal ID	method	pH	temperature	details
1	VAPOR DIFFUSION, HANGING DROP	7.5	293	16-20% PEG300, 5% PEG8K, 100 mM Tris, 10% glycerol, PH 7.5-9.0, VAPOR DIFFUSION, HANGING DROP, temperature 293K