Iron in PDB 2ux5: X-Ray High Resolution Structure of the Photosynthetic Reaction Center From Rb. Sphaeroides at pH 9 in the Charge-Separated State

The structure of X-Ray High Resolution Structure of the Photosynthetic Reaction Center From Rb. Sphaeroides at pH 9 in the Charge-Separated State, PDB code: 2ux5 was solved by J.Koepke, R.Diehm, G.Fritzsch, with X-Ray Crystallography technique. A brief refinement statistics is given in the table below:

Resolution Low / High (Å)	50.00 / 2.21
Space group	P 31 2 1
Cell size a, b, c (Å), α, β, γ (°)	139.460, 139.460, 184.730, 90.00, 90.00, 120.00
R / Rfree (%)	20.2 / 23.6

The structure of X-Ray High Resolution Structure of the Photosynthetic Reaction Center From Rb. Sphaeroides at pH 9 in the Charge-Separated State also contains other interesting chemical elements:

Magnesium

(Mg)

4 atoms

The binding sites of Iron atom in the X-Ray High Resolution Structure of the Photosynthetic Reaction Center From Rb. Sphaeroides at pH 9 in the Charge-Separated State (pdb code 2ux5). 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 X-Ray High Resolution Structure of the Photosynthetic Reaction Center From Rb. Sphaeroides at pH 9 in the Charge-Separated State, PDB code: 2ux5:

Iron binding site 1 out of 1 in the X-Ray High Resolution Structure of the Photosynthetic Reaction Center From Rb. Sphaeroides at pH 9 in the Charge-Separated State


Mono view


Stereo pair view

A full contact list of Iron with other atoms in the Fe binding site number 1 of X-Ray High Resolution Structure of the Photosynthetic Reaction Center From Rb. Sphaeroides at pH 9 in the Charge-Separated State within 5.0Å range: probe atom residue distance (Å) B Occ M:Fe1313 b:26.8 occ:1.00 NE2 M:HIS219 1.9 32.1 1.0 NE2 M:HIS266 1.9 27.3 1.0 NE2 L:HIS190 1.9 28.0 1.0 NE2 L:HIS230 2.0 27.3 1.0 OE2 M:GLU234 2.1 30.1 1.0 OE1 M:GLU234 2.1 29.8 1.0 CD M:GLU234 2.5 29.6 1.0 CE1 M:HIS266 2.7 29.4 1.0 CE1 M:HIS219 2.8 32.9 1.0 CE1 L:HIS190 2.8 27.7 1.0 CE1 L:HIS230 2.9 27.7 1.0 CD2 M:HIS219 3.1 33.0 1.0 CD2 L:HIS190 3.1 28.8 1.0 CD2 L:HIS230 3.1 26.8 1.0 CD2 M:HIS266 3.1 28.2 1.0 ND1 M:HIS266 3.9 25.6 1.0 ND1 M:HIS219 4.0 30.2 1.0 ND1 L:HIS190 4.0 27.4 1.0 CG M:GLU234 4.0 29.8 1.0 ND1 L:HIS230 4.0 23.3 1.0 CG M:HIS219 4.1 31.4 1.0 CG L:HIS190 4.1 31.0 1.0 CG M:HIS266 4.2 24.6 1.0 CG L:HIS230 4.2 28.3 1.0 CG1 M:ILE223 4.5 24.7 1.0 CG2 L:VAL194 4.7 30.1 1.0 O M:HOH2100 4.8 38.7 1.0 CB M:GLU234 4.9 28.9 1.0 CD1 M:ILE223 5.0 26.9 1.0

J.Koepke, E.M.Krammer, A.R.Klingen, P.Sebban, G.M.Ullmann, G.Fritzsch. pH Modulates the Quinone Position in the Photosynthetic Reaction Center From Rhodobacter Sphaeroides in the Neutral and Charge Separated States. J.Mol.Biol. V. 371 396 2007.
ISSN: ISSN 0022-2836
PubMed: 17570397
DOI: 10.1016/J.JMB.2007.04.082