4ZHP

The crystal structure of Potato ferredoxin I with 2Fe-2S cluster

X-RAY DIFFRACTION

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Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, SITTING DROP	8	294	0.1 M Malic acid/MES/Tris, 25 % PEG 1500

Crystal Properties
Matthews coefficient	Solvent content
3.09	62

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 50.66	α = 90
b = 71.69	β = 90
c = 79.32	γ = 90

Symmetry
Space Group	I 2 2 2

Diffraction

Diffraction Experiment
ID #	Crystal ID	Scattering Type	Data Collection Temperature	Detector	Detector Type	Details	Collection Date	Monochromator	Protocol
1	1	x-ray	100	PIXEL	PSI PILATUS 6M		2014-07-21	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	DIAMOND BEAMLINE I02	1.74	Diamond	I02

Data Collection

Overall
ID #	Resolution (High)	Resolution (Low)	Percent Possible (Observed)	R Merge I (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	2.46	42.7	99.7	0.063	13.9	12.3		5483

Highest Resolution Shell
ID #	Resolution (High)	Resolution (Low)	Percent Possible (All)	Percent Possible (Observed)	R Merge I (Observed)	Mean I Over Sigma (Observed)	Redundancy	Number Unique Reflections (All)
1	2.46	2.52	99.4		0.596	4.3	12.8

Refinement

Statistics
Diffraction ID	Structure Solution Method	Cross Validation method	Starting model	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	4N58	2.46	42.7	5213	270	99.67	0.17866	0.17688	0.21472	RANDOM	54.284

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]
-5.58			6.34		-0.77

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	29.782
r_dihedral_angle_3_deg	18.432
r_long_range_B_refined	11.268
r_long_range_B_other	11.268
r_scangle_other	8.668
r_dihedral_angle_4_deg	7.823
r_dihedral_angle_1_deg	6.7
r_scbond_other	5.559
r_scbond_it	5.536
r_mcangle_it	4.172
r_mcangle_other	4.169
r_mcbond_other	2.948
r_mcbond_it	2.947
r_angle_refined_deg	1.999
r_angle_other_deg	0.931
r_chiral_restr	0.102
r_bond_refined_d	0.016
r_gen_planes_refined	0.006
r_bond_other_d	0.001
r_gen_planes_other	0.001
r_nbd_refined
r_nbd_other
r_nbtor_refined
r_nbtor_other
r_xyhbond_nbd_refined
r_xyhbond_nbd_other
r_metal_ion_refined
r_metal_ion_other
r_symmetry_vdw_refined
r_symmetry_vdw_other
r_symmetry_hbond_refined
r_symmetry_hbond_other
r_symmetry_metal_ion_refined
r_symmetry_metal_ion_other
r_scangle_it
r_rigid_bond_restr
r_sphericity_free
r_sphericity_bonded

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	737
Nucleic Acid Atoms
Solvent Atoms	17
Heterogen Atoms	4

Software

Software
Software Name	Purpose
REFMAC	refinement
XDS	data reduction
Aimless	data scaling
PHASER	phasing