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Iron in PDB 4n7k: Zinc Substituted Reaction Center of the Rhodobacter Sphaeroides

Protein crystallography data

The structure of Zinc Substituted Reaction Center of the Rhodobacter Sphaeroides, PDB code: 4n7k was solved by A.Hardjasa, M.E.P.Murphy, with X-Ray Crystallography technique. A brief refinement statistics is given in the table below:

Resolution Low / High (Å) 36.91 / 2.85
Space group P 31 2 1
Cell size a, b, c (Å), α, β, γ (°) 139.450, 139.450, 184.181, 90.00, 90.00, 120.00
R / Rfree (%) 18.2 / 24.3

Other elements in 4n7k:

The structure of Zinc Substituted Reaction Center of the Rhodobacter Sphaeroides also contains other interesting chemical elements:

Zinc (Zn) 6 atoms

Iron Binding Sites:

The binding sites of Iron atom in the Zinc Substituted Reaction Center of the Rhodobacter Sphaeroides (pdb code 4n7k). 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 Zinc Substituted Reaction Center of the Rhodobacter Sphaeroides, PDB code: 4n7k:

Iron binding site 1 out of 1 in 4n7k

Go back to Iron Binding Sites List in 4n7k
Iron binding site 1 out of 1 in the Zinc Substituted Reaction Center of the Rhodobacter Sphaeroides


Mono view


Stereo pair view

A full contact list of Iron with other atoms in the Fe binding site number 1 of Zinc Substituted Reaction Center of the Rhodobacter Sphaeroides within 5.0Å range:
probe atom residue distance (Å) B Occ
M:Fe405

b:46.3
occ:1.00
OE2 M:GLU234 2.0 50.5 1.0
NE2 L:HIS190 2.1 43.4 1.0
NE2 M:HIS219 2.2 52.6 1.0
NE2 M:HIS266 2.2 34.9 1.0
NE2 L:HIS230 2.3 43.4 1.0
OE1 M:GLU234 2.3 60.0 1.0
CD M:GLU234 2.5 55.7 1.0
CE1 M:HIS266 2.9 37.5 1.0
CE1 M:HIS219 3.0 52.4 1.0
CE1 L:HIS190 3.0 44.4 1.0
CE1 L:HIS230 3.0 41.8 1.0
CD2 L:HIS190 3.2 45.5 1.0
CD2 M:HIS219 3.3 49.8 1.0
CD2 M:HIS266 3.3 37.9 1.0
CD2 L:HIS230 3.4 46.8 1.0
CG M:GLU234 4.0 48.3 1.0
ND1 M:HIS266 4.1 39.0 1.0
ND1 M:HIS219 4.1 49.1 1.0
ND1 L:HIS190 4.2 42.7 1.0
ND1 L:HIS230 4.2 38.8 1.0
CG L:HIS190 4.3 44.2 1.0
CG M:HIS219 4.3 50.6 1.0
CG M:HIS266 4.3 37.9 1.0
CG1 M:ILE223 4.4 34.1 1.0
CG L:HIS230 4.4 40.3 1.0
CG2 L:VAL194 4.6 31.6 1.0
CD1 M:ILE223 4.8 33.3 1.0
CB M:GLU234 4.8 46.0 1.0
O M:HOH563 5.0 48.1 1.0

Reference:

R.G.Saer, J.Pan, A.Hardjasa, S.Lin, F.Rosell, A.G.Mauk, N.W.Woodbury, M.E.Murphy, J.T.Beatty. Structural and Kinetic Properties of Rhodobacter Sphaeroides Photosynthetic Reaction Centers Containing Exclusively Zn-Coordinated Bacteriochlorophyll As Bacteriochlorin Cofactors. Biochim.Biophys.Acta V.1837 366 2013.
ISSN: ISSN 0006-3002
PubMed: 24316146
DOI: 10.1016/J.BBABIO.2013.11.015
Page generated: Mon Aug 5 07:14:37 2024

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