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

Protein crystallography data

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

Other elements in 1u74:

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

Zinc (Zn) 2 atoms

Iron Binding Sites:

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 1u74

Go back to Iron Binding Sites List in 1u74
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 1u74

Go back to Iron Binding Sites List in 1u74
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

Reference:

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
Page generated: Wed Jul 16 21:10:39 2025

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