1FRD | pdb_00001frd

MOLECULAR STRUCTURE OF THE OXIDIZED, RECOMBINANT, HETEROCYST (2FE-2S) FERREDOXIN FROM ANABAENA 7120 DETERMINED TO 1.7 ANGSTROMS RESOLUTION

X-RAY DIFFRACTION

---

Crystallization

Crystal Properties
Matthews coefficient	Solvent content
2.1	41.39

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 44.2	α = 90
b = 44.2	β = 90
c = 80.6	γ = 120

Symmetry
Space Group	P 65

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)	Number Reflections (Observed)	Number Reflections (R-Free)	Percent Reflections (Observed)	R-Factor (Observed)	R-Work (Depositor)	R-Free (Depositor)	Mean Isotropic B
X-RAY DIFFRACTION		1.7	30	9743			0.167

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
t_angle_deg	2.93
t_bond_d	0.009
t_dihedral_angle_d
t_incorr_chiral_ct
t_pseud_angle
t_trig_c_planes
t_gen_planes
t_it
t_nbd

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	755
Nucleic Acid Atoms
Solvent Atoms	58
Heterogen Atoms	4

Software

Software
Software Name	Purpose
TNT	refinement