Iron in PDB 1kby: Structure of Photosynthetic Reaction Center with Bacteriochlorophyll- Bacteriopheophytin Heterodimer

The structure of Structure of Photosynthetic Reaction Center with Bacteriochlorophyll- Bacteriopheophytin Heterodimer, PDB code: 1kby was solved by A.Camara-Artigas, C.Magee, A.Goetsch, J.P.Allen, with X-Ray Crystallography technique. A brief refinement statistics is given in the table below:

Resolution Low / High (Å)	27.07 / 2.50
Space group	P 31 2 1
Cell size a, b, c (Å), α, β, γ (°)	142.310, 142.310, 187.590, 90.00, 90.00, 120.00
R / Rfree (%)	19.5 / 22.4

The structure of Structure of Photosynthetic Reaction Center with Bacteriochlorophyll- Bacteriopheophytin Heterodimer also contains other interesting chemical elements:

Magnesium	(Mg)	3 atoms
Chlorine	(Cl)	1 atom

The binding sites of Iron atom in the Structure of Photosynthetic Reaction Center with Bacteriochlorophyll- Bacteriopheophytin Heterodimer (pdb code 1kby). 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 Structure of Photosynthetic Reaction Center with Bacteriochlorophyll- Bacteriopheophytin Heterodimer, PDB code: 1kby:

Iron binding site 1 out of 1 in the Structure of Photosynthetic Reaction Center with Bacteriochlorophyll- Bacteriopheophytin Heterodimer


Mono view


Stereo pair view

A full contact list of Iron with other atoms in the Fe binding site number 1 of Structure of Photosynthetic Reaction Center with Bacteriochlorophyll- Bacteriopheophytin Heterodimer within 5.0Å range: probe atom residue distance (Å) B Occ M:Fe856 b:28.9 occ:1.00 NE2 L:HIS190 2.2 32.5 1.0 OE2 M:GLU234 2.2 34.6 1.0 NE2 M:HIS219 2.2 34.3 1.0 NE2 L:HIS230 2.3 27.5 1.0 NE2 M:HIS266 2.4 19.6 1.0 OE1 M:GLU234 2.4 36.9 1.0 CD M:GLU234 2.6 36.2 1.0 CE1 L:HIS190 3.1 33.2 1.0 CE1 M:HIS219 3.2 32.8 1.0 CE1 M:HIS266 3.2 20.6 1.0 CE1 L:HIS230 3.2 28.8 1.0 CD2 L:HIS190 3.2 32.6 1.0 CD2 M:HIS219 3.2 33.0 1.0 CD2 L:HIS230 3.3 29.2 1.0 CD2 M:HIS266 3.5 20.8 1.0 CG M:GLU234 4.1 36.2 1.0 ND1 L:HIS190 4.2 33.9 1.0 ND1 M:HIS219 4.3 32.2 1.0 CG L:HIS190 4.3 31.1 1.0 ND1 L:HIS230 4.3 29.5 1.0 ND1 M:HIS266 4.3 20.8 1.0 CG M:HIS219 4.4 31.8 1.0 CG L:HIS230 4.4 29.4 1.0 CG M:HIS266 4.5 21.5 1.0 CG1 M:ILE223 4.5 25.3 1.0 CG2 L:VAL194 4.9 23.3 1.0 CB M:GLU234 5.0 35.0 1.0

A.Camara-Artigas, C.Magee, A.Goetsch, J.P.Allen. The Structure of the Heterodimer Reaction Center From Rhodobacter Sphaeroides at 2.55 A Resolution. Photosynth.Res. V. 74 87 2002.
ISSN: ISSN 0166-8595
PubMed: 16228547
DOI: 10.1023/A:1020882402389