1TRR

TANDEM BINDING IN CRYSTALS OF A TRP REPRESSOR/OPERATOR HALF-SITE COMPLEX

Experimental procedure

Experimental method	SINGLE WAVELENGTH
Detector technology	DIFFRACTOMETER
Detector	ENRAF-NONIUS FAST
Spacegroup name	C 1 2 1
Unit cell lengths	112.340, 90.160, 58.650
Unit cell angles	90.00, 113.92, 90.00

Refinement procedure

Resolution	? - 2.400
R-factor	0.241
Rwork	0.241
RMSD bond length	0.018
RMSD bond angle	1.860
Refinement software	X-PLOR

Data quality characteristics

	Overall
High resolution limit [Å]	2.400 *
Rmerge	0.050 *
Number of reflections	18723
Completeness [%]	90.3 *

Crystallization Conditions

crystal ID	method	pH	temperature	details
1	Vapor diffusion, hanging drop *	4.8 *	23 *

Crystallization Reagents in Literatures

ID	crystal ID	solution	reagent name	concentration (unit)	details
1	1	reservoir	sodium acetate	0.1 (M)
2	1	reservoir	sodium formate	2.0 (M)