3IE1

Crystal structure of H380A mutant TTHA0252 from Thermus thermophilus HB8 complexed with RNA

Replaces:  2ZDE

Experimental procedure

Experimental method	SINGLE WAVELENGTH
Source type	SYNCHROTRON
Source details	SPRING-8 BEAMLINE BL26B2
Synchrotron site	SPring-8
Beamline	BL26B2
Temperature [K]	95
Detector technology	CCD
Collection date	2007-09-21
Detector	MARMOSAIC 225 mm CCD
Wavelength(s)	1.28244
Spacegroup name	C 1 2 1
Unit cell lengths	143.424, 148.165, 120.837
Unit cell angles	90.00, 109.61, 90.00

Refinement procedure

Resolution	50.000 - 2.850
Rwork	0.231
R-free	0.29100
Structure solution method	MOLECULAR REPLACEMENT
Starting model (for MR)	2dkf
Data reduction software	DENZO
Data scaling software	SCALEPACK
Refinement software	CNS

Data quality characteristics

	Overall	Inner shell	Outer shell
Low resolution limit [Å]	50.000	50.000	2.950
High resolution limit [Å]	2.850	6.140	2.850
Rmerge	0.050	0.027	0.341
Number of reflections	55129
<I/σ(I)>	13.3
Completeness [%]	99.9	99.3	100
Redundancy	5.4	4.9	5.5

Crystallization Conditions

crystal ID	method	pH	temperature	details
1	VAPOR DIFFUSION, HANGING DROP	5.6	293	50mM sodium citrate, 0.2M ammonium sulfate, 0.6M lithium sulfate, pH 5.6, VAPOR DIFFUSION, HANGING DROP, temperature 293K