4JXZ

Structure of E. coli glutaminyl-tRNA synthetase bound to ATP and a tRNA(Gln) acceptor containing a UUG anticodon

Experimental procedure

Experimental method	SINGLE WAVELENGTH
Source type	SYNCHROTRON
Source details	ALS BEAMLINE 4.2.2
Synchrotron site	ALS
Beamline	4.2.2
Temperature [K]	100
Detector technology	CCD
Collection date	2012-01-05
Detector	NOIR-1
Wavelength(s)	1.0
Spacegroup name	C 2 2 21
Unit cell lengths	93.270, 236.710, 114.010
Unit cell angles	90.00, 90.00, 90.00

Refinement procedure

Resolution	43.400 - 2.400
R-factor	0.233
Rwork	0.230
R-free	0.26600
Structure solution method	FOURIER SYNTHESIS
RMSD bond length	0.007
RMSD bond angle	1.158
Data reduction software	d*TREK
Data scaling software	d*TREK
Phasing software	CNS
Refinement software	CNS

Data quality characteristics

	Overall	Outer shell
Low resolution limit [Å]	43.400	2.380
High resolution limit [Å]	2.300	2.300
Rmerge	0.048
Number of reflections	55306
<I/σ(I)>	12.7
Completeness [%]	98.1	94.9
Redundancy	6.53

Crystallization Conditions

crystal ID	method	pH	temperature	details
1	VAPOR DIFFUSION, HANGING DROP	7	290	2.5 M ammonium sulfate, 40 mM PIPES, 20 mM MgSO4, 20 mM b-mercaptoethanol, pH 7.0, VAPOR DIFFUSION, HANGING DROP, temperature 290K