4ZHO

The crystal structure of Arabidopsis ferredoxin 2 with 2Fe-2S cluster

X-RAY DIFFRACTION

---

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, SITTING DROP	8.5	294	0.2 M MgCl2, 0.1 M Tris, 20 % PEG 8000

Crystal Properties
Matthews coefficient	Solvent content
3.45	64.33

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 60.73	α = 90
b = 60.73	β = 90
c = 154.73	γ = 90

Symmetry
Space Group	P 42 21 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	2.34	60.73	99.4	0.066	23.2	12.3		12894

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	2.34	2.4	98.4		0.598	4.2	11.8

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		THROUGHOUT	2.34	60.73	12221	627	99.45	0.19831	0.1974	0.21582	RANDOM	59.545

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]
2.75			2.75		-5.5

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	34.298
r_dihedral_angle_3_deg	14.918
r_long_range_B_other	9.825
r_long_range_B_refined	9.824
r_scangle_other	8.298
r_dihedral_angle_1_deg	7.288
r_dihedral_angle_4_deg	5.922
r_scbond_it	5.685
r_scbond_other	5.624
r_mcangle_it	4.741
r_mcangle_other	4.738
r_mcbond_it	3.602
r_mcbond_other	3.584
r_angle_refined_deg	1.933
r_angle_other_deg	0.912
r_chiral_restr	0.115
r_bond_refined_d	0.017
r_gen_planes_refined	0.007
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	1440
Nucleic Acid Atoms
Solvent Atoms	38
Heterogen Atoms	10

Software

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