2FJ1

Crystal Structure Analysis of Tet Repressor (class D) in Complex with 7-Chlortetracycline-Nickel(II)

Experimental procedure

Experimental method	SINGLE WAVELENGTH
Source type	ROTATING ANODE
Source details	ENRAF-NONIUS FR571
Temperature [K]	277
Detector technology	IMAGE PLATE
Collection date	1997-01-05
Detector	MARRESEARCH
Wavelength(s)	1.5418
Spacegroup name	I 41 2 2
Unit cell lengths	68.937, 68.937, 180.893
Unit cell angles	90.00, 90.00, 90.00

Refinement procedure

Resolution	64.550 - 2.200
R-factor	0.14942
Rwork	0.146
R-free	0.21470
Structure solution method	MOLECULAR REPLACEMENT
Starting model (for MR)	2tct
RMSD bond length	0.034
RMSD bond angle	2.464
Data scaling software	SCALEPACK
Refinement software	REFMAC (5.1.24)

Data quality characteristics

	Overall	Outer shell
Low resolution limit [Å]	64.500	2.258
High resolution limit [Å]	2.200	2.200
Number of reflections	10706
<I/σ(I)>	16.4	3.2
Completeness [%]	97.6
Redundancy	4.5

Crystallization Conditions

crystal ID	method	pH	temperature	details
1	VAPOR DIFFUSION, HANGING DROP	7.2	293	1.58 M Ammonium sulphate, pH 7.2, VAPOR DIFFUSION, HANGING DROP, temperature 293.0K