1F5B

CRYSTAL STRUCTURE OF F2H FERREDOXIN 1 MUTANT FROM AZOTOBACTER VINELANDII AT 1.75 ANGSTROM RESOLUTION

Experimental procedure

Experimental method	SINGLE WAVELENGTH
Source type	ROTATING ANODE
Source details	RIGAKU
Temperature [K]	115
Detector technology	IMAGE PLATE
Collection date	1999-11-05
Detector	RIGAKU RAXIS IV
Spacegroup name	P 41 21 2
Unit cell lengths	55.381, 55.381, 92.780
Unit cell angles	90.00, 90.00, 90.00

Refinement procedure

Resolution	39.200 * - 1.620
R-factor	0.207
Rwork	0.207
R-free	0.24400
RMSD bond length	0.005
RMSD bond angle	1.790 *
Data reduction software	DENZO
Data scaling software	SCALEPACK
Refinement software	CNS (1.0)

Data quality characteristics

	Overall	Outer shell
Low resolution limit [Å]	50.000	1.650
High resolution limit [Å]	1.620	1.620
Rmerge	0.072	0.642
Total number of observations	225694 *
Number of reflections	19082
<I/σ(I)>	9.6
Completeness [%]	99.9	100
Redundancy	11.83	10

Crystallization Conditions

crystal ID	method	pH	temperature	details
1	VAPOR DIFFUSION, SITTING DROP	7.4	100 *	Trizma base, ammonium sulfate, potassium phosphate, pH 7.4, VAPOR DIFFUSION, SITTING DROP, temperature 277.0K

Crystallization Reagents in Literatures

ID	crystal ID	solution	reagent name	concentration (unit)	details
1	1	drop	protein	11 (mg/ml)
2	1	reservoir	ammonium sulfate	1.2 (M)
3	1	reservoir	Tris-HCl	0.4 (M)	pH7.4