1OZQ

CRYSTAL STRUCTURE OF THE MUTATED TRNA-GUANINE TRANSGLYCOSYLASE (TGT)Y106F COMPLEXED WITH PREQ1

Experimental procedure

Experimental method	SINGLE WAVELENGTH
Source type	ROTATING ANODE
Source details	RIGAKU RU300
Temperature [K]	100
Detector technology	IMAGE PLATE
Collection date	2001-04-28
Detector	RIGAKU RAXIS IV
Wavelength(s)	1.54
Spacegroup name	C 1 2 1
Unit cell lengths	90.250, 65.020, 71.400
Unit cell angles	90.00, 96.65, 90.00

Refinement procedure

Resolution	40.000 - 1.900
R-factor	0.178
Rwork	0.178
R-free	0.21100
Structure solution method	FOURIER SYNTHESIS
Starting model (for MR)	1pud
RMSD bond length	0.005
RMSD bond angle	21.900 *
Data reduction software	DENZO
Data scaling software	SCALEPACK
Phasing software	CNS
Refinement software	CNS

Data quality characteristics

	Overall	Outer shell
Low resolution limit [Å]	40.000	1.970
High resolution limit [Å]	1.900	1.900
Rmerge	0.064 *	0.274 *
Total number of observations	98882 *
Number of reflections	31900
Completeness [%]	98.2	96.3
Redundancy	3.1

Crystallization Conditions

crystal ID	method	pH	temperature	details
1	VAPOR DIFFUSION, HANGING DROP	7.5 *	25 *	Romier, C., (1996) Proteins: Struct.,Funct., Genet., 24, 516. *

Crystallization Reagents in Literatures

ID	crystal ID	solution	reagent name	concentration (unit)	details
1	1	reservoir	Tris-HCl	100 (mM)
2	1	reservoir	PEG8000	13 (%)
3	1	reservoir	dithiothreitol	1 (mM)
4	1	reservoir	agarose	0.2 (%)
5	1	drop	HEPES	10 (mM)	pH7.5
6	1	drop		2 (M)
7	1	drop	dithiothreitol	1 (mM)
8	1	drop	protein	12 (mg/ml)