Iron in PDB 1s00: Photosynthetic Reaction Center Double Mutant From Rhodobacter Sphaeroides with Asp L213 Replaced with Asn and Arg M233 Replaced with Cys in the Charge-Separated D+Qaqb- State

The structure of Photosynthetic Reaction Center Double Mutant From Rhodobacter Sphaeroides with Asp L213 Replaced with Asn and Arg M233 Replaced with Cys in the Charge-Separated D+Qaqb- State, PDB code: 1s00 was solved by Q.Xu, H.L.Axelrod, E.C.Abresch, M.L.Paddock, M.Y.Okamura, G.Feher, with X-Ray Crystallography technique. A brief refinement statistics is given in the table below:

Resolution Low / High (Å)	39.84 / 2.60
Space group	P 43 21 2
Cell size a, b, c (Å), α, β, γ (°)	137.731, 137.731, 277.153, 90.00, 90.00, 90.00
R / Rfree (%)	22.6 / 26.8

The structure of Photosynthetic Reaction Center Double Mutant From Rhodobacter Sphaeroides with Asp L213 Replaced with Asn and Arg M233 Replaced with Cys in the Charge-Separated D+Qaqb- State also contains other interesting chemical elements:

Magnesium

(Mg)

8 atoms

The binding sites of Iron atom in the Photosynthetic Reaction Center Double Mutant From Rhodobacter Sphaeroides with Asp L213 Replaced with Asn and Arg M233 Replaced with Cys in the Charge-Separated D+Qaqb- State (pdb code 1s00). 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 Double Mutant From Rhodobacter Sphaeroides with Asp L213 Replaced with Asn and Arg M233 Replaced with Cys in the Charge-Separated D+Qaqb- State, PDB code: 1s00:
Jump to Iron binding site number: 1; 2;

Iron binding site 1 out of 2 in the Photosynthetic Reaction Center Double Mutant From Rhodobacter Sphaeroides with Asp L213 Replaced with Asn and Arg M233 Replaced with Cys in the Charge-Separated D+Qaqb- 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 Double Mutant From Rhodobacter Sphaeroides with Asp L213 Replaced with Asn and Arg M233 Replaced with Cys in the Charge-Separated D+Qaqb- State within 5.0Å range: probe atom residue distance (Å) B Occ M:Fe1007 b:33.2 occ:1.00 NE2 M:HIS219 1.9 35.6 1.0 NE2 L:HIS230 2.1 26.8 1.0 NE2 M:HIS266 2.1 29.1 1.0 NE2 L:HIS190 2.2 33.1 1.0 OE1 M:GLU234 2.2 34.5 1.0 OE2 M:GLU234 2.2 34.4 1.0 CD M:GLU234 2.5 34.0 1.0 CE1 M:HIS219 2.9 36.3 1.0 CD2 M:HIS219 3.0 34.5 1.0 CE1 L:HIS230 3.0 26.8 1.0 CE1 L:HIS190 3.0 32.8 1.0 CE1 M:HIS266 3.1 31.2 1.0 CD2 M:HIS266 3.1 32.4 1.0 CD2 L:HIS230 3.2 27.8 1.0 CD2 L:HIS190 3.3 32.5 1.0 ND1 M:HIS219 4.0 36.0 1.0 CG M:GLU234 4.0 30.2 1.0 CG M:HIS219 4.1 34.1 1.0 ND1 L:HIS230 4.2 25.6 1.0 CG L:HIS230 4.2 28.1 1.0 ND1 M:HIS266 4.2 30.4 1.0 ND1 L:HIS190 4.2 33.7 1.0 CG1 M:ILE223 4.2 28.3 1.0 CG M:HIS266 4.2 31.7 1.0 CG L:HIS190 4.3 30.3 1.0 O M:HOH1015 4.6 34.0 1.0 CD1 M:ILE223 4.7 27.4 1.0 CG2 L:VAL194 4.7 25.4 1.0 CB M:GLU234 4.9 32.0 1.0

Iron binding site 2 out of 2 in the Photosynthetic Reaction Center Double Mutant From Rhodobacter Sphaeroides with Asp L213 Replaced with Asn and Arg M233 Replaced with Cys in the Charge-Separated D+Qaqb- 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 Double Mutant From Rhodobacter Sphaeroides with Asp L213 Replaced with Asn and Arg M233 Replaced with Cys in the Charge-Separated D+Qaqb- State within 5.0Å range: probe atom residue distance (Å) B Occ S:Fe2007 b:51.2 occ:1.00 NE2 S:HIS219 2.0 49.1 1.0 NE2 R:HIS190 2.1 49.1 1.0 NE2 S:HIS266 2.1 46.3 1.0 OE2 S:GLU234 2.2 55.6 1.0 OE1 S:GLU234 2.3 53.3 1.0 NE2 R:HIS230 2.3 46.9 1.0 CD S:GLU234 2.5 53.8 1.0 CE1 R:HIS190 2.7 48.2 1.0 CE1 S:HIS219 2.9 49.8 1.0 CE1 S:HIS266 2.9 47.8 1.0 CE1 R:HIS230 3.1 48.5 1.0 CD2 S:HIS219 3.1 49.0 1.0 CD2 S:HIS266 3.2 48.0 1.0 CD2 R:HIS190 3.3 47.9 1.0 CD2 R:HIS230 3.4 49.1 1.0 ND1 R:HIS190 4.0 49.2 1.0 CG S:GLU234 4.0 54.2 1.0 ND1 S:HIS219 4.1 47.3 1.0 ND1 S:HIS266 4.1 49.2 1.0 CG S:HIS219 4.2 47.6 1.0 CG S:HIS266 4.2 47.5 1.0 CG R:HIS190 4.3 46.7 1.0 ND1 R:HIS230 4.3 47.2 1.0 CG R:HIS230 4.4 48.8 1.0 CG1 S:ILE223 4.6 46.8 1.0 CG2 R:VAL194 4.7 49.4 1.0 O S:HOH2023 4.7 46.9 1.0 CB S:GLU234 4.9 55.4 1.0

Q.Xu, H.L.Axelrod, E.C.Abresch, M.L.Paddock, M.Y.Okamura, G.Feher. X-Ray Structure Determination of Three Mutants of the Bacterial Photosynthetic Reaction Centers From Rb. Sphaeroides; Altered Proton Transfer Pathways. Structure V. 12 703 2004.
ISSN: ISSN 0969-2126
PubMed: 15062092
DOI: 10.1016/J.STR.2004.03.001