Iron in PDB 1aij: Photosynthetic Reaction Center From Rhodobacter Sphaeroides in the Charge-Neutral Dqaqb State

The structure of Photosynthetic Reaction Center From Rhodobacter Sphaeroides in the Charge-Neutral Dqaqb State, PDB code: 1aij was solved by M.H.B.Stowell, T.M.Mcphillips, S.M.Soltis, D.C.Rees, E.Abresch, G.Feher, with X-Ray Crystallography technique. A brief refinement statistics is given in the table below:

Resolution Low / High (Å)	30.00 / 2.20
Space group	P 43 21 2
Cell size a, b, c (Å), α, β, γ (°)	140.080, 140.080, 271.630, 90.00, 90.00, 90.00
R / Rfree (%)	21.6 / 27

The structure of Photosynthetic Reaction Center From Rhodobacter Sphaeroides in the Charge-Neutral Dqaqb State also contains other interesting chemical elements:

Magnesium

(Mg)

8 atoms

The binding sites of Iron atom in the Photosynthetic Reaction Center From Rhodobacter Sphaeroides in the Charge-Neutral Dqaqb State (pdb code 1aij). This binding sites where shown within 5.0 Angstroms radius around Iron atom.
In total 2 binding sites of Iron where determined in the Photosynthetic Reaction Center From Rhodobacter Sphaeroides in the Charge-Neutral Dqaqb State, PDB code: 1aij:
Jump to Iron binding site number: 1; 2;

Iron binding site 1 out of 2 in the Photosynthetic Reaction Center From Rhodobacter Sphaeroides in the Charge-Neutral Dqaqb State


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 in the Charge-Neutral Dqaqb State within 5.0Å range: probe atom residue distance (Å) B Occ M:Fe308 b:18.0 occ:1.00 NE2 L:HIS190 2.1 9.7 1.0 NE2 M:HIS219 2.2 17.2 1.0 OE2 M:GLU234 2.2 19.9 1.0 OE1 M:GLU234 2.2 21.1 1.0 NE2 L:HIS230 2.3 24.4 1.0 NE2 M:HIS266 2.3 23.4 1.0 CD M:GLU234 2.6 20.6 1.0 CE1 L:HIS190 2.9 17.1 1.0 CE1 M:HIS219 3.1 18.0 1.0 CE1 L:HIS230 3.1 23.4 1.0 CD2 L:HIS190 3.1 14.3 1.0 CD2 M:HIS219 3.1 16.0 1.0 CE1 M:HIS266 3.2 22.2 1.0 CD2 M:HIS266 3.3 24.2 1.0 CD2 L:HIS230 3.3 22.6 1.0 CG M:GLU234 4.1 19.3 1.0 ND1 L:HIS190 4.1 16.6 1.0 ND1 M:HIS219 4.2 14.4 1.0 CG L:HIS190 4.2 12.5 1.0 CG M:HIS219 4.2 22.8 1.0 ND1 L:HIS230 4.3 20.3 1.0 ND1 M:HIS266 4.4 16.9 1.0 CG L:HIS230 4.4 22.4 1.0 CG M:HIS266 4.4 20.7 1.0 O M:HOH353 4.6 30.7 1.0 CG2 L:VAL194 4.6 5.7 1.0 CG1 M:ILE223 4.7 16.2 1.0 CB M:GLU234 5.0 15.3 1.0

Iron binding site 2 out of 2 in the Photosynthetic Reaction Center From Rhodobacter Sphaeroides in the Charge-Neutral Dqaqb State


Mono view


Stereo pair view

A full contact list of Iron with other atoms in the Fe binding site number 2 of Photosynthetic Reaction Center From Rhodobacter Sphaeroides in the Charge-Neutral Dqaqb State within 5.0Å range: probe atom residue distance (Å) B Occ S:Fe308 b:27.3 occ:1.00 OE1 S:GLU234 2.1 33.6 1.0 NE2 R:HIS190 2.2 30.6 1.0 OE2 S:GLU234 2.2 36.9 1.0 NE2 S:HIS219 2.2 32.9 1.0 NE2 S:HIS266 2.2 21.6 1.0 NE2 R:HIS230 2.3 20.7 1.0 CD S:GLU234 2.5 32.5 1.0 CE1 R:HIS190 3.0 34.1 1.0 CE1 S:HIS219 3.0 27.2 1.0 CE1 S:HIS266 3.1 22.5 1.0 CE1 R:HIS230 3.1 23.6 1.0 CD2 R:HIS190 3.2 34.2 1.0 CD2 S:HIS219 3.2 30.5 1.0 CD2 S:HIS266 3.2 25.6 1.0 CD2 R:HIS230 3.4 25.3 1.0 CG S:GLU234 4.0 27.4 1.0 ND1 R:HIS190 4.2 35.1 1.0 ND1 S:HIS219 4.2 33.7 1.0 ND1 S:HIS266 4.3 17.4 1.0 CG R:HIS190 4.3 33.9 1.0 CG S:HIS219 4.3 34.1 1.0 ND1 R:HIS230 4.3 20.2 1.0 CG S:HIS266 4.4 24.1 1.0 CG R:HIS230 4.5 16.3 1.0 O S:HOH349 4.5 19.1 1.0 CG2 R:VAL194 4.7 20.8 1.0 CG1 S:ILE223 4.7 19.0 1.0 CB S:GLU234 4.9 29.1 1.0

M.H.Stowell, T.M.Mcphillips, D.C.Rees, S.M.Soltis, E.Abresch, G.Feher. Light-Induced Structural Changes in Photosynthetic Reaction Center: Implications For Mechanism of Electron-Proton Transfer. Science V. 276 812 1997.
ISSN: ISSN 0036-8075
PubMed: 9115209
DOI: 10.1126/SCIENCE.276.5313.812