Iron in PDB 3zum: Photosynthetic Reaction Centre Mutant with Phe L146 Replaced with Ala

The structure of Photosynthetic Reaction Centre Mutant with Phe L146 Replaced with Ala, PDB code: 3zum was solved by K.Gibasiewicz, M.Pajzderska, J.A.Potter, P.K.Fyfe, A.Dobek, K.Brettel, M.R.Jones, with X-Ray Crystallography technique. A brief refinement statistics is given in the table below:

Resolution Low / High (Å)	119.52 / 2.50
Space group	P 31 2 1
Cell size a, b, c (Å), α, β, γ (°)	139.461, 139.461, 185.014, 90.00, 90.00, 120.00
R / Rfree (%)	19.5 / 22.8

The structure of Photosynthetic Reaction Centre Mutant with Phe L146 Replaced with Ala also contains other interesting chemical elements:

Magnesium

(Mg)

4 atoms

The binding sites of Iron atom in the Photosynthetic Reaction Centre Mutant with Phe L146 Replaced with Ala (pdb code 3zum). 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 Centre Mutant with Phe L146 Replaced with Ala, PDB code: 3zum:

Iron binding site 1 out of 1 in the Photosynthetic Reaction Centre Mutant with Phe L146 Replaced with Ala


Mono view


Stereo pair view

A full contact list of Iron with other atoms in the Fe binding site number 1 of Photosynthetic Reaction Centre Mutant with Phe L146 Replaced with Ala within 5.0Å range: probe atom residue distance (Å) B Occ M:Fe1304 b:34.0 occ:1.00 OE2 M:GLU234 2.1 34.6 1.0 NE2 M:HIS219 2.1 43.6 1.0 NE2 M:HIS266 2.1 27.2 1.0 NE2 L:HIS190 2.1 38.6 1.0 NE2 L:HIS230 2.2 31.9 1.0 OE1 M:GLU234 2.5 40.5 1.0 CD M:GLU234 2.6 37.8 1.0 CE1 M:HIS266 2.9 33.2 1.0 CE1 L:HIS190 3.0 41.5 1.0 CE1 M:HIS219 3.0 34.8 1.0 CE1 L:HIS230 3.1 33.8 1.0 CD2 M:HIS219 3.2 39.5 1.0 CD2 L:HIS190 3.2 41.2 1.0 CD2 L:HIS230 3.2 34.1 1.0 CD2 M:HIS266 3.3 30.7 1.0 ND1 M:HIS266 4.1 28.1 1.0 CG M:GLU234 4.1 36.1 1.0 ND1 M:HIS219 4.2 37.9 1.0 ND1 L:HIS190 4.2 41.6 1.0 ND1 L:HIS230 4.2 27.8 1.0 CG M:HIS219 4.3 38.2 1.0 CG L:HIS190 4.3 38.8 1.0 CG M:HIS266 4.3 26.8 1.0 CG L:HIS230 4.3 35.7 1.0 CG1 M:ILE223 4.4 29.5 1.0 CG2 L:VAL194 4.8 31.4 1.0 O M:HOH2035 4.8 40.5 1.0 CD1 M:ILE223 4.9 34.0 1.0

K.Gibasiewicz, M.Pajzderska, J.A.Potter, P.K.Fyfe, A.Dobek, K.Brettel, M.R.Jones. Mechanism of Recombination of the P(+)H(A)(-) Radical Pair in Mutant Rhodobacter Sphaeroides Reaction Centers with Modified Free Energy Gaps Between P(+)B(A)(-) and P(+)H(A)(-). J Phys Chem B V. 115 13037 2011.
ISSN: ISSN 1520-6106
PubMed: 21970763
DOI: 10.1021/JP206462G