Iron in PDB 1a70: Spinach Ferredoxin

The structure of Spinach Ferredoxin, PDB code: 1a70 was solved by C.Binda, A.Coda, A.Mattevi, A.Aliverti, G.Zanetti, with X-Ray Crystallography technique. A brief refinement statistics is given in the table below:

Resolution Low / High (Å)	100.00 / 1.70
Space group	P 21 21 21
Cell size a, b, c (Å), α, β, γ (°)	31.000, 39.180, 83.520, 90.00, 90.00, 90.00
R / Rfree (%)	19.6 / 25.9

The binding sites of Iron atom in the Spinach Ferredoxin (pdb code 1a70). This binding sites where shown within 5.0 Angstroms radius around Iron atom.
In total 2 binding sites of Iron where determined in the Spinach Ferredoxin, PDB code: 1a70:
Jump to Iron binding site number: 1; 2;

Iron binding site 1 out of 2 in the Spinach Ferredoxin


Mono view


Stereo pair view

A full contact list of Iron with other atoms in the Fe binding site number 1 of Spinach Ferredoxin within 5.0Å range: probe atom residue distance (Å) B Occ A:Fe1602 b:27.0 occ:1.00 FE1 A:FES1602 0.0 27.0 1.0 S2 A:FES1602 2.3 27.5 1.0 SG A:CYS44 2.3 24.8 1.0 S1 A:FES1602 2.3 26.3 1.0 SG A:CYS39 2.3 29.8 1.0 FE2 A:FES1602 2.8 26.5 1.0 CB A:CYS44 3.3 22.7 1.0 N A:CYS44 3.5 24.0 1.0 CB A:CYS39 3.6 29.8 1.0 N A:CYS39 3.7 23.7 1.0 CA A:CYS44 3.7 26.7 1.0 N A:ARG40 3.8 24.6 1.0 C A:CYS44 4.0 34.7 1.0 CA A:CYS39 4.0 26.6 1.0 O A:CYS44 4.1 30.2 1.0 N A:SER43 4.2 29.2 1.0 C A:CYS39 4.3 34.5 1.0 SG A:CYS77 4.4 25.0 1.0 OG A:SER38 4.4 33.5 1.0 N A:GLY42 4.5 37.7 1.0 N A:ALA41 4.5 31.0 1.0 C A:SER43 4.5 36.4 1.0 SG A:CYS47 4.6 24.3 1.0 N A:SER46 4.7 21.9 1.0 CA A:ARG40 4.8 28.2 1.0 C A:SER38 4.8 25.3 1.0 N A:SER38 4.8 29.2 1.0 CB A:SER46 4.8 28.5 1.0 N A:SER45 4.9 24.7 1.0 CA A:GLY42 4.9 32.9 1.0

Iron binding site 2 out of 2 in the Spinach Ferredoxin


Mono view


Stereo pair view

A full contact list of Iron with other atoms in the Fe binding site number 2 of Spinach Ferredoxin within 5.0Å range: probe atom residue distance (Å) B Occ A:Fe1602 b:26.5 occ:1.00 FE2 A:FES1602 0.0 26.5 1.0 S1 A:FES1602 2.2 26.3 1.0 SG A:CYS77 2.3 25.0 1.0 S2 A:FES1602 2.3 27.5 1.0 SG A:CYS47 2.4 24.3 1.0 FE1 A:FES1602 2.8 27.0 1.0 CB A:CYS77 3.2 26.1 1.0 CB A:CYS47 3.4 20.5 1.0 N A:CYS77 4.2 19.4 1.0 N A:CYS47 4.2 21.9 1.0 N A:GLY42 4.3 37.7 1.0 N A:ARG40 4.3 24.6 1.0 CA A:CYS77 4.4 23.3 1.0 SG A:CYS39 4.4 29.8 1.0 CA A:CYS47 4.5 21.8 1.0 CA A:ARG40 4.5 28.2 1.0 SG A:CYS44 4.6 24.8 1.0 CB A:LEU75 4.7 24.5 1.0 CA A:GLY42 4.7 32.9 1.0 O A:CYS44 4.8 30.2 1.0 N A:ALA41 4.8 31.0 1.0 C A:ARG40 4.9 30.1 1.0

C.Binda, A.Coda, A.Aliverti, G.Zanetti, A.Mattevi. Structure of the Mutant E92K of [2FE-2S] Ferredoxin I From Spinacia Oleracea at 1.7 A Resolution. Acta Crystallogr.,Sect.D V. 54 1353 1998.
ISSN: ISSN 0907-4449
PubMed: 10089511
DOI: 10.1107/S0907444998005137