Iron in PDB 1cyi: Cytochrome C6

The structure of Cytochrome C6, PDB code: 1cyi was solved by C.A.Kerfeld, T.O.Yeates, with X-Ray Crystallography technique. A brief refinement statistics is given in the table below:

Resolution Low / High (Å)	10.00 / 1.90
Space group	I 2 3
Cell size a, b, c (Å), α, β, γ (°)	82.600, 82.600, 82.600, 90.00, 90.00, 90.00
R / Rfree (%)	19.7 / n/a

The structure of Cytochrome C6 also contains other interesting chemical elements:

Cadmium

(Cd)

4 atoms

The binding sites of Iron atom in the Cytochrome C6 (pdb code 1cyi). 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 Cytochrome C6, PDB code: 1cyi:

Iron binding site 1 out of 1 in the Cytochrome C6


Mono view


Stereo pair view

A full contact list of Iron with other atoms in the Fe binding site number 1 of Cytochrome C6 within 5.0Å range: probe atom residue distance (Å) B Occ A:Fe200 b:16.6 occ:1.00 FE A:HEM200 0.0 16.6 1.0 ND A:HEM200 1.9 16.1 1.0 NA A:HEM200 2.0 15.7 1.0 NB A:HEM200 2.1 14.5 1.0 NC A:HEM200 2.1 12.3 1.0 NE2 A:HIS18 2.1 15.2 1.0 SD A:MET60 2.3 20.0 1.0 C4D A:HEM200 2.9 12.0 1.0 C1A A:HEM200 3.0 17.7 1.0 C1D A:HEM200 3.0 16.3 1.0 C4A A:HEM200 3.0 15.2 1.0 CD2 A:HIS18 3.1 16.4 1.0 C1B A:HEM200 3.1 18.1 1.0 C4C A:HEM200 3.1 12.2 1.0 C1C A:HEM200 3.1 17.0 1.0 C4B A:HEM200 3.1 13.4 1.0 CE1 A:HIS18 3.2 16.6 1.0 CHA A:HEM200 3.4 17.8 1.0 CHC A:HEM200 3.4 14.2 1.0 CHD A:HEM200 3.4 13.9 1.0 CHB A:HEM200 3.5 14.9 1.0 CG A:MET60 3.6 21.1 1.0 CE A:MET60 3.6 14.0 1.0 C3D A:HEM200 4.1 14.1 1.0 C2A A:HEM200 4.2 19.2 1.0 CB A:MET60 4.2 20.0 1.0 C2D A:HEM200 4.2 11.7 1.0 C3A A:HEM200 4.2 15.3 1.0 CG A:HIS18 4.2 17.5 1.0 ND1 A:HIS18 4.3 13.1 1.0 C2B A:HEM200 4.3 13.5 1.0 C3C A:HEM200 4.3 12.7 1.0 C3B A:HEM200 4.4 16.4 1.0 C2C A:HEM200 4.4 19.0 1.0

C.A.Kerfeld, H.P.Anwar, R.Interrante, S.Merchant, T.O.Yeates. The Structure of Chloroplast Cytochrome C6 at 1.9 A Resolution: Evidence For Functional Oligomerization. J.Mol.Biol. V. 250 627 1995.
ISSN: ISSN 0022-2836
PubMed: 7623381
DOI: 10.1006/JMBI.1995.0404