Iron in PDB 2h9a: Corrinoid Iron-Sulfur Protein

The structure of Corrinoid Iron-Sulfur Protein, PDB code: 2h9a was solved by H.Dobbek, with X-Ray Crystallography technique. A brief refinement statistics is given in the table below:

Resolution Low / High (Å)	20.00 / 1.90
Space group	C 1 2 1
Cell size a, b, c (Å), α, β, γ (°)	158.030, 44.270, 100.660, 90.00, 118.63, 90.00
R / Rfree (%)	20.3 / 26

The structure of Corrinoid Iron-Sulfur Protein also contains other interesting chemical elements:

Cobalt	(Co)	1 atom
Iodine	(I)	16 atoms

The binding sites of Iron atom in the Corrinoid Iron-Sulfur Protein (pdb code 2h9a). This binding sites where shown within 5.0 Angstroms radius around Iron atom.
In total 4 binding sites of Iron where determined in the Corrinoid Iron-Sulfur Protein, PDB code: 2h9a:
Jump to Iron binding site number: 1; 2; 3; 4;

Iron binding site 1 out of 4 in the Corrinoid Iron-Sulfur Protein


Mono view


Stereo pair view

A full contact list of Iron with other atoms in the Fe binding site number 1 of Corrinoid Iron-Sulfur Protein within 5.0Å range: probe atom residue distance (Å) B Occ A:Fe1443 b:71.6 occ:1.00 FE1 A:SF41443 0.0 71.6 1.0 S4 A:SF41443 2.3 72.0 1.0 S3 A:SF41443 2.4 71.2 1.0 S2 A:SF41443 2.5 71.1 1.0 FE2 A:SF41443 2.7 73.8 1.0 FE3 A:SF41443 2.8 78.4 1.0 FE4 A:SF41443 2.8 73.5 1.0 S1 A:SF41443 3.9 71.6 1.0

Iron binding site 2 out of 4 in the Corrinoid Iron-Sulfur Protein


Mono view


Stereo pair view

A full contact list of Iron with other atoms in the Fe binding site number 2 of Corrinoid Iron-Sulfur Protein within 5.0Å range: probe atom residue distance (Å) B Occ A:Fe1443 b:73.8 occ:1.00 FE2 A:SF41443 0.0 73.8 1.0 S4 A:SF41443 2.3 72.0 1.0 S1 A:SF41443 2.4 71.6 1.0 S3 A:SF41443 2.4 71.2 1.0 FE1 A:SF41443 2.7 71.6 1.0 FE3 A:SF41443 2.7 78.4 1.0 FE4 A:SF41443 2.8 73.5 1.0 S2 A:SF41443 4.1 71.1 1.0

Iron binding site 3 out of 4 in the Corrinoid Iron-Sulfur Protein


Mono view


Stereo pair view

A full contact list of Iron with other atoms in the Fe binding site number 3 of Corrinoid Iron-Sulfur Protein within 5.0Å range: probe atom residue distance (Å) B Occ A:Fe1443 b:78.4 occ:1.00 FE3 A:SF41443 0.0 78.4 1.0 S4 A:SF41443 2.2 72.0 1.0 S1 A:SF41443 2.3 71.6 1.0 S2 A:SF41443 2.5 71.1 1.0 FE2 A:SF41443 2.7 73.8 1.0 FE4 A:SF41443 2.7 73.5 1.0 FE1 A:SF41443 2.8 71.6 1.0 S3 A:SF41443 4.0 71.2 1.0

Iron binding site 4 out of 4 in the Corrinoid Iron-Sulfur Protein


Mono view


Stereo pair view

A full contact list of Iron with other atoms in the Fe binding site number 4 of Corrinoid Iron-Sulfur Protein within 5.0Å range: probe atom residue distance (Å) B Occ A:Fe1443 b:73.5 occ:1.00 FE4 A:SF41443 0.0 73.5 1.0 S1 A:SF41443 2.2 71.6 1.0 S3 A:SF41443 2.4 71.2 1.0 S2 A:SF41443 2.4 71.1 1.0 FE3 A:SF41443 2.7 78.4 1.0 FE2 A:SF41443 2.8 73.8 1.0 FE1 A:SF41443 2.8 71.6 1.0 S4 A:SF41443 4.0 72.0 1.0

T.Svetlitchnaia, V.Svetlitchnyi, O.Meyer, H.Dobbek. Structural Insights Into Methyltransfer Reactions of A Corrinoid Iron-Sulfur Protein Involved in Acetyl-Coa Synthesis. Proc.Natl.Acad.Sci.Usa V. 103 14331 2006.
ISSN: ISSN 0027-8424
PubMed: 16983091
DOI: 10.1073/PNAS.0601420103