Iron in PDB 1m3x: Photosynthetic Reaction Center From Rhodobacter Sphaeroides

The structure of Photosynthetic Reaction Center From Rhodobacter Sphaeroides, PDB code: 1m3x was solved by A.Camara-Artigas, D.Brune, J.P.Allen, with X-Ray Crystallography technique. A brief refinement statistics is given in the table below:

Resolution Low / High (Å)	29.91 / 2.55
Space group	P 31 2 1
Cell size a, b, c (Å), α, β, γ (°)	141.800, 141.800, 187.500, 90.00, 90.00, 120.00
R / Rfree (%)	18.5 / 20.9

The structure of Photosynthetic Reaction Center From Rhodobacter Sphaeroides also contains other interesting chemical elements:

Magnesium	(Mg)	4 atoms
Chlorine	(Cl)	1 atom

The binding sites of Iron atom in the Photosynthetic Reaction Center From Rhodobacter Sphaeroides (pdb code 1m3x). This binding sites where shown within 5.0 Angstroms radius around Iron atom.
In total only one binding site of Iron was determined in the Photosynthetic Reaction Center From Rhodobacter Sphaeroides, PDB code: 1m3x:

Iron binding site 1 out of 1 in the Photosynthetic Reaction Center From Rhodobacter Sphaeroides


Mono view


Stereo pair view

A full contact list of Iron with other atoms in the Fe binding site number 1 of Photosynthetic Reaction Center From Rhodobacter Sphaeroides within 5.0Å range: probe atom residue distance (Å) B Occ M:Fe856 b:18.6 occ:1.00 OE2 M:GLU234 1.8 22.2 1.0 NE2 L:HIS190 2.0 20.3 1.0 NE2 M:HIS219 2.2 21.5 1.0 NE2 M:HIS266 2.2 10.9 1.0 NE2 L:HIS230 2.3 19.8 1.0 CD M:GLU234 2.5 24.6 1.0 OE1 M:GLU234 2.5 27.7 1.0 CE1 L:HIS190 2.9 20.7 1.0 CE1 M:HIS219 3.0 19.7 1.0 CE1 M:HIS266 3.1 10.0 1.0 CD2 L:HIS190 3.1 20.0 1.0 CE1 L:HIS230 3.2 19.0 1.0 CD2 M:HIS219 3.2 20.0 1.0 CD2 M:HIS266 3.3 12.4 1.0 CD2 L:HIS230 3.3 21.2 1.0 CG M:GLU234 4.0 21.1 1.0 ND1 L:HIS190 4.0 20.3 1.0 ND1 M:HIS219 4.2 18.3 1.0 CG L:HIS190 4.2 18.5 1.0 ND1 M:HIS266 4.2 10.2 1.0 ND1 L:HIS230 4.3 20.1 1.0 CG M:HIS219 4.3 19.5 1.0 CG M:HIS266 4.4 12.5 1.0 CG L:HIS230 4.4 21.0 1.0 CG1 M:ILE223 4.5 15.0 1.0 CG2 L:VAL194 4.7 16.0 1.0 CB M:GLU234 4.9 20.0 1.0 CD1 M:ILE223 4.9 16.4 1.0 O M:HOH1053 4.9 22.6 1.0

A.Camara-Artigas, D.Brune, J.P.Allen. Interactions Between Lipids and Bacterial Reaction Centers Determined By Protein Crystallography. Proc.Natl.Acad.Sci.Usa V. 99 11055 2002.
ISSN: ISSN 0027-8424
PubMed: 12167672
DOI: 10.1073/PNAS.162368399