1PC4

Crystal Structure of the P50A mutant of ferredoxin I at 1.65 A Resolution

Experimental procedure

Experimental method	SINGLE WAVELENGTH
Source type	ROTATING ANODE
Source details	RIGAKU
Temperature [K]	100
Detector technology	IMAGE PLATE
Collection date	2000-07-11
Detector	RIGAKU RAXIS IV
Wavelength(s)	1.5408
Spacegroup name	P 41 21 2
Unit cell lengths	55.220, 55.220, 92.720
Unit cell angles	90.00, 90.00, 90.00

Refinement procedure

Resolution	10.000 - 1.650
R-factor	0.1589
Rwork	0.156
R-free	0.23800 *
Structure solution method	MOLECULAR REPLACEMENT
RMSD bond length	0.008
RMSD bond angle	0.260
Data reduction software	DENZO
Data scaling software	SCALEPACK
Phasing software	SHELX
Refinement software	SHELXL-97

Data quality characteristics

	Overall	Outer shell
Low resolution limit [Å]	38.000	1.680
High resolution limit [Å]	1.650	1.650
Number of reflections	15874
Completeness [%]	99.5	93.3

Crystallization Conditions

crystal ID	method	pH	temperature	details
1	VAPOR DIFFUSION	7.4	2 *	Shen, B., (1993) J.Biol.Chem., 268, 25928., Stout, C.D., (1979) J.Biol.Chem., 254, 3598. *

Crystallization Reagents in Literatures

ID	crystal ID	solution	reagent name	concentration (unit)	details
1	1	drop	protein	7-10 (mg/ml)
2	1	drop	potassium phosphate	0.5 (M)
3	1	drop	ammonium sulfate	1.2 (M)
4	1	reservoir	ammonium sulfate	3.5 (M)