Iron in PDB 1u74: Electron Transfer Complex Between Cytochrome C and Cytochrome C Peroxidase

The structure of Electron Transfer Complex Between Cytochrome C and Cytochrome C Peroxidase, PDB code: 1u74 was solved by B.R.Crane, S.A.Kang, with X-Ray Crystallography technique. A brief refinement statistics is given in the table below:

Resolution Low / High (Å)	20.00 / 2.40
Space group	P 1 21 1
Cell size a, b, c (Å), α, β, γ (°)	44.810, 111.624, 87.518, 90.00, 104.14, 90.00
R / Rfree (%)	26 / 28.7

The structure of Electron Transfer Complex Between Cytochrome C and Cytochrome C Peroxidase also contains other interesting chemical elements:

Zinc

(Zn)

2 atoms

The binding sites of Iron atom in the Electron Transfer Complex Between Cytochrome C and Cytochrome C Peroxidase (pdb code 1u74). This binding sites where shown within 5.0 Angstroms radius around Iron atom.
In total 2 binding sites of Iron where determined in the Electron Transfer Complex Between Cytochrome C and Cytochrome C Peroxidase, PDB code: 1u74:
Jump to Iron binding site number: 1; 2;

Iron binding site 1 out of 2 in the Electron Transfer Complex Between Cytochrome C and Cytochrome C Peroxidase


Mono view


Stereo pair view

A full contact list of Iron with other atoms in the Fe binding site number 1 of Electron Transfer Complex Between Cytochrome C and Cytochrome C Peroxidase within 5.0Å range: probe atom residue distance (Å) B Occ B:Fe1101 b:54.7 occ:1.00 FE B:HEM1101 0.0 54.7 1.0 NE2 B:HIS23 1.8 55.2 1.0 ND B:HEM1101 2.0 53.2 1.0 NC B:HEM1101 2.0 58.3 1.0 NB B:HEM1101 2.1 55.1 1.0 NA B:HEM1101 2.1 54.9 1.0 SD B:MET85 2.4 49.3 1.0 CE1 B:HIS23 2.7 49.0 1.0 CD2 B:HIS23 2.9 57.1 1.0 C1D B:HEM1101 3.0 53.7 1.0 C4C B:HEM1101 3.0 56.4 1.0 C1B B:HEM1101 3.1 56.1 1.0 C4D B:HEM1101 3.1 56.5 1.0 C1C B:HEM1101 3.1 56.0 1.0 C4A B:HEM1101 3.1 55.1 1.0 C4B B:HEM1101 3.1 56.7 1.0 C1A B:HEM1101 3.1 55.1 1.0 CHD B:HEM1101 3.3 55.2 1.0 CHB B:HEM1101 3.4 54.5 1.0 CHC B:HEM1101 3.4 55.1 1.0 CHA B:HEM1101 3.4 55.1 1.0 CE B:MET85 3.8 46.5 1.0 CG B:MET85 3.8 46.5 1.0 ND1 B:HIS23 3.9 50.7 1.0 CG B:HIS23 4.0 51.3 1.0 C2D B:HEM1101 4.2 54.5 1.0 C3D B:HEM1101 4.3 55.9 1.0 C2B B:HEM1101 4.3 56.8 1.0 C3A B:HEM1101 4.3 55.1 1.0 C3C B:HEM1101 4.3 56.5 1.0 C2C B:HEM1101 4.3 56.1 1.0 C2A B:HEM1101 4.4 54.1 1.0 C3B B:HEM1101 4.4 55.7 1.0 CB B:MET85 4.6 49.9 1.0 CD1 B:LEU37 4.8 59.7 1.0

Iron binding site 2 out of 2 in the Electron Transfer Complex Between Cytochrome C and Cytochrome C Peroxidase


Mono view


Stereo pair view

A full contact list of Iron with other atoms in the Fe binding site number 2 of Electron Transfer Complex Between Cytochrome C and Cytochrome C Peroxidase within 5.0Å range: probe atom residue distance (Å) B Occ D:Fe1301 b:54.0 occ:1.00 FE D:HEM1301 0.0 54.0 1.0 NC D:HEM1301 2.0 57.0 1.0 NB D:HEM1301 2.0 55.4 1.0 NA D:HEM1301 2.0 54.7 1.0 NE2 D:HIS23 2.1 49.2 1.0 ND D:HEM1301 2.1 56.0 1.0 SD D:MET85 2.2 46.3 1.0 C1C D:HEM1301 3.0 55.5 1.0 CE1 D:HIS23 3.0 48.9 1.0 CD2 D:HIS23 3.0 51.0 1.0 C4A D:HEM1301 3.0 55.7 1.0 C1B D:HEM1301 3.1 54.9 1.0 C4B D:HEM1301 3.1 55.7 1.0 C4C D:HEM1301 3.1 55.4 1.0 C1A D:HEM1301 3.1 55.4 1.0 C1D D:HEM1301 3.1 55.8 1.0 C4D D:HEM1301 3.1 55.8 1.0 CE D:MET85 3.2 42.0 1.0 CHC D:HEM1301 3.3 54.3 1.0 CHB D:HEM1301 3.4 55.3 1.0 CHD D:HEM1301 3.4 54.9 1.0 CHA D:HEM1301 3.4 53.6 1.0 CG D:MET85 3.7 44.1 1.0 ND1 D:HIS23 4.1 48.3 1.0 CG D:HIS23 4.2 50.8 1.0 C2C D:HEM1301 4.2 57.1 1.0 C2B D:HEM1301 4.3 56.5 1.0 C3A D:HEM1301 4.3 57.2 1.0 C2A D:HEM1301 4.3 57.4 1.0 C3C D:HEM1301 4.3 56.0 1.0 C3B D:HEM1301 4.3 58.5 1.0 C3D D:HEM1301 4.4 55.8 1.0 C2D D:HEM1301 4.4 56.3 1.0 CB D:MET85 4.6 48.0 1.0

S.A.Kang, P.J.Marjavaara, B.R.Crane. Electron Transfer Between Cytochrome C and Cytochome C Peroxidase in Single Crystals. J.Am.Chem.Soc. V. 126 10836 2004.
ISSN: ISSN 0002-7863
PubMed: 15339156
DOI: 10.1021/JA049230U