3AB5

Crystal structure of the 2Fe 2S Ferredoxin from Cyanidioschyzon merolae

X-RAY DIFFRACTION

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Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	MICRODIALYSIS			MICRODIALYSIS

Crystal Properties
Matthews coefficient	Solvent content
2.03	39.29

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 36.586	α = 90
b = 54.922	β = 96.32
c = 42.935	γ = 90

Symmetry
Space Group	P 1 21 1

Diffraction

Diffraction Experiment
ID #	Crystal ID	Scattering Type	Data Collection Temperature	Detector	Detector Type	Details	Collection Date	Monochromator	Protocol
1	1	x-ray	100	IMAGE PLATE	MAC Science DIP-2030		2009-10-17	M	SINGLE WAVELENGTH
2	1

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	SPRING-8 BEAMLINE BL44XU	0.9	SPring-8	BL44XU
2	ROTATING ANODE	RIGAKU MICROMAX-002	1.5418

Data Collection

Overall
ID #	Resolution (High)	Resolution (Low)	Percent Possible (Observed)	Net I Over Average Sigma (I)	Redundancy	Number Reflections (All)	Number Reflections (Observed)	Observed Criterion Sigma (F)	Observed Criterion Sigma (I)	B (Isotropic) From Wilson Plot
1	1.18	36.36					50687

Refinement

Statistics
Diffraction ID	Structure Solution Method	Cross Validation method	Resolution (High)	Resolution (Low)	Number Reflections (Observed)	Number Reflections (R-Free)	Percent Reflections (Observed)	R-Factor (Observed)	R-Work	R-Free	R-Free Selection Details	Mean Isotropic B
X-RAY DIFFRACTION	MOLECULAR REPLACEMENT	THROUGHOUT	1.18	36.36	50687	2713	96.45	0.17743	0.17643	0.19575	RANDOM	11.27

Temperature Factor Modeling
Anisotropic B[1][1]	Anisotropic B[1][2]	Anisotropic B[1][3]	Anisotropic B[2][2]	Anisotropic B[2][3]	Anisotropic B[3][3]

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	38.029
r_dihedral_angle_4_deg	20.373
r_dihedral_angle_3_deg	12.133
r_dihedral_angle_1_deg	6.416
r_scangle_it	5.937
r_scbond_it	3.586
r_angle_refined_deg	2.55
r_mcangle_it	2.455
r_mcbond_it	1.478
r_chiral_restr	0.142
r_bond_refined_d	0.032
r_gen_planes_refined	0.014

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	1472
Nucleic Acid Atoms
Solvent Atoms	100
Heterogen Atoms	8

Software

Software
Software Name	Purpose
HKL-2000	data collection
MOLREP	phasing
REFMAC	refinement
HKL-2000	data reduction
HKL-2000	data scaling