1X0G

Crystal Structure of IscA with the [2Fe-2S] cluster

Experimental procedure

Experimental method	MAD
Source type	SYNCHROTRON
Source details	SPRING-8 BEAMLINE BL44XU
Synchrotron site	SPring-8
Beamline	BL44XU
Temperature [K]	100
Detector technology	CCD
Collection date	2004-07-07
Detector	Bruker DIP-6040
Wavelength(s)	0.900
Spacegroup name	I 2 2 2
Unit cell lengths	77.472, 102.788, 137.032
Unit cell angles	90.00, 90.00, 90.00

Refinement procedure

Resolution	30.000 - 2.500
R-factor	0.20302
Rwork	0.201
R-free	0.24150
Structure solution method	MAD
RMSD bond length	0.028
RMSD bond angle	2.503
Data reduction software	DENZO
Data scaling software	SCALEPACK
Phasing software	SHARP
Refinement software	REFMAC (5.2.0005)

Data quality characteristics

	Overall	Outer shell
Low resolution limit [Å]	80.000	2.590
High resolution limit [Å]	2.500	2.500
Number of reflections	19261
<I/σ(I)>	39.4	3.5
Completeness [%]	96.0	96.6
Redundancy	12.5	6.7

Crystallization Conditions

crystal ID	method	pH	temperature	details
1	VAPOR DIFFUSION, HANGING DROP	6.2	277	2.5M NaCl, 0.1M Potassium phosphate pH6.2, 5MM DTT, VAPOR DIFFUSION, HANGING DROP, temperature 277K
1	VAPOR DIFFUSION, HANGING DROP	6.2	277	2.5M NaCl, 0.1M Potassium phosphate pH6.2, 5MM DTT, VAPOR DIFFUSION, HANGING DROP, temperature 277K