Iron in PDB 2gmr: Photosynthetic Reaction Center Mutant From Rhodobacter Sphaeroides with Asp L210 Replaced with Asn

The structure of Photosynthetic Reaction Center Mutant From Rhodobacter Sphaeroides with Asp L210 Replaced with Asn, PDB code: 2gmr was solved by J.M.Stachnik, S.Hermes, K.Gerwert, E.Hofmann, with X-Ray Crystallography technique. A brief refinement statistics is given in the table below:

Resolution Low / High (Å)	38.43 / 2.50
Space group	P 21 21 21
Cell size a, b, c (Å), α, β, γ (°)	76.850, 134.720, 141.640, 90.00, 90.00, 90.00
R / Rfree (%)	21.5 / 25

The structure of Photosynthetic Reaction Center Mutant From Rhodobacter Sphaeroides with Asp L210 Replaced with Asn also contains other interesting chemical elements:

Magnesium

(Mg)

4 atoms

The binding sites of Iron atom in the Photosynthetic Reaction Center Mutant From Rhodobacter Sphaeroides with Asp L210 Replaced with Asn (pdb code 2gmr). 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 Mutant From Rhodobacter Sphaeroides with Asp L210 Replaced with Asn, PDB code: 2gmr:

Iron binding site 1 out of 1 in the Photosynthetic Reaction Center Mutant From Rhodobacter Sphaeroides with Asp L210 Replaced with Asn


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 Mutant From Rhodobacter Sphaeroides with Asp L210 Replaced with Asn within 5.0Å range: probe atom residue distance (Å) B Occ M:Fe308 b:37.6 occ:1.00 NE2 L:HIS190 2.1 40.5 1.0 NE2 M:HIS219 2.1 37.2 1.0 NE2 M:HIS266 2.2 31.8 1.0 OE2 M:GLU234 2.2 30.3 1.0 NE2 L:HIS230 2.3 28.3 1.0 OE1 M:GLU234 2.4 31.1 1.0 CD M:GLU234 2.6 31.4 1.0 CE1 L:HIS190 3.0 38.2 1.0 CE1 M:HIS219 3.1 33.7 1.0 CD2 M:HIS219 3.1 33.6 1.0 CD2 L:HIS190 3.1 37.5 1.0 CE1 M:HIS266 3.2 32.2 1.0 CE1 L:HIS230 3.2 27.8 1.0 CD2 M:HIS266 3.2 30.9 1.0 CD2 L:HIS230 3.3 29.4 1.0 ND1 L:HIS190 4.1 35.2 1.0 CG M:GLU234 4.1 30.8 1.0 ND1 M:HIS219 4.2 33.4 1.0 CG L:HIS190 4.2 35.9 1.0 CG M:HIS219 4.2 33.1 1.0 ND1 M:HIS266 4.3 32.0 1.0 ND1 L:HIS230 4.3 25.5 1.0 CG M:HIS266 4.3 30.2 1.0 CG L:HIS230 4.4 28.5 1.0 CG1 M:ILE223 4.5 31.6 1.0 CG2 L:VAL194 4.7 30.3 1.0 O L:HOH335 4.9 36.6 1.0 CD1 M:ILE223 5.0 29.8 1.0

S.Hermes, J.M.Stachnik, D.Onidas, A.Remy, E.Hofmann, K.Gerwert. Proton Uptake in the Reaction Center Mutant L210DN From Rhodobacter Sphaeroides Via Protonated Water Molecules. Biochemistry V. 45 13741 2006.
ISSN: ISSN 0006-2960
PubMed: 17105193
DOI: 10.1021/BI060742Q