4XP7

Crystal structure of Human tRNA dihydrouridine synthase 2

Experimental procedure

Experimental method	SINGLE WAVELENGTH
Source type	SYNCHROTRON
Source details	DIAMOND BEAMLINE I04
Synchrotron site	Diamond
Beamline	I04
Temperature [K]	100
Detector technology	CCD
Collection date	2011-09-22
Detector	ADSC QUANTUM 315r
Wavelength(s)	0.9795
Spacegroup name	P 1 21 1
Unit cell lengths	46.252, 49.562, 69.612
Unit cell angles	90.00, 95.71, 90.00

Refinement procedure

Resolution	46.020 - 1.900
R-factor	0.1699
Rwork	0.168
R-free	0.20650
Structure solution method	MOLECULAR REPLACEMENT
Starting model (for MR)	SeMet model
RMSD bond length	0.012
RMSD bond angle	1.507
Data reduction software	XDS
Data scaling software	SCALA (3.3.16)
Phasing software	MOLREP (11.0.02)
Refinement software	REFMAC (5.8.0073)

Data quality characteristics

	Overall	Inner shell	Outer shell
Low resolution limit [Å]	46.020	49.562	2.000
High resolution limit [Å]	1.900	6.010	1.900
Rmerge		0.036	0.585
Rmeas	0.075
Rpim	0.040	0.023	0.414
Total number of observations	72405	2924	9919
Number of reflections	24244
<I/σ(I)>	10.3	22.9	1.7
Completeness [%]	97.6	99.6	97.8
Redundancy	3	3.5	2.8

Crystallization Conditions

crystal ID	method	pH	temperature	details
1	VAPOR DIFFUSION, SITTING DROP	4	292	0.1 M MES Malic Tris pH 4, 25% PEG 1500