2IY5

PHENYLALANYL-TRNA SYNTHETASE FROM THERMUS THERMOPHILUS complexed with tRNA and a phenylalanyl-adenylate analog

Experimental procedure

Experimental method	SINGLE WAVELENGTH
Source type	SYNCHROTRON
Source details	ESRF BEAMLINE ID14-1
Synchrotron site	ESRF
Beamline	ID14-1
Temperature [K]	100
Detector technology	CCD
Detector	ADSC CCD
Spacegroup name	P 32 2 1
Unit cell lengths	173.400, 173.400, 139.400
Unit cell angles	90.00, 90.00, 120.00

Refinement procedure

Resolution	9.990 - 3.100
R-factor	0.238
Rwork	0.238
R-free	0.29900
Structure solution method	MOLECULAR REPLACEMENT
Starting model (for MR)	1pys
RMSD bond length	0.009
RMSD bond angle	1.800
Data reduction software	DENZO
Data scaling software	SCALEPACK
Phasing software	CNS
Refinement software	CNS (1.1)

Data quality characteristics

	Overall	Outer shell
Low resolution limit [Å]	10.000	3.290
High resolution limit [Å]	3.100	3.100
Rmerge	0.112
Number of reflections	39855
<I/σ(I)>	10
Completeness [%]	80.0	68.5
Redundancy	2.5

Crystallization Conditions

crystal ID	method	pH	temperature	details
1	VAPOR DIFFUSION, HANGING DROP	7.8	277	20 MM IMIDAZOLE-HCL, PH 7.8, 1 MM MGCL2, 5 MM 2-MERCAPTOETHANOL AND 1 MM NAN3