1FRR

CRYSTAL STRUCTURE OF [2FE-2S] FERREDOXIN I FROM EQUISETUM ARVENSE AT 1.8 ANGSTROMS RESOLUTION

X-RAY DIFFRACTION

---

Crystallization

Crystal Properties
Matthews coefficient	Solvent content
2.01	38.81

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 30.4	α = 90
b = 57.4	β = 78.7
c = 47.5	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

Refinement

Statistics
Diffraction ID	Structure Solution Method	Resolution (High)	Resolution (Low)	Cut-off Sigma (F)	Number Reflections (Observed)	Number Reflections (R-Free)	Percent Reflections (Observed)	R-Factor (Observed)	R-Work	R-Free	Mean Isotropic B
X-RAY DIFFRACTION		1.8	10	1	13838			0.17

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
p_orthonormal_tor	19.4
p_staggered_tor	19
p_scangle_it	8.95
p_scbond_it	6.61
p_mcangle_it	4.72
p_mcbond_it	3.61
p_planar_tor	2.1
p_multtor_nbd	0.282
p_xhyhbond_nbd	0.22
p_singtor_nbd	0.191
p_chiral_restr	0.15
p_planar_d	0.046
p_angle_d	0.042
p_bond_d	0.014
p_plane_restr	0.012
p_angle_deg
p_hb_or_metal_coord
p_xyhbond_nbd
p_transverse_tor
p_special_tor

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	1412
Nucleic Acid Atoms
Solvent Atoms	183
Heterogen Atoms	8

Software

Software
Software Name	Purpose
PROLSQ	refinement