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Iron in PDB 3i9u: Crystal Structure of the Rat Heme Oxygenase (Ho-1) in Complex with Heme Binding Dithioerythritol (Dte)

Enzymatic activity of Crystal Structure of the Rat Heme Oxygenase (Ho-1) in Complex with Heme Binding Dithioerythritol (Dte)

All present enzymatic activity of Crystal Structure of the Rat Heme Oxygenase (Ho-1) in Complex with Heme Binding Dithioerythritol (Dte):
1.14.99.3;

Protein crystallography data

The structure of Crystal Structure of the Rat Heme Oxygenase (Ho-1) in Complex with Heme Binding Dithioerythritol (Dte), PDB code: 3i9u was solved by T.Matsui, M.Unno, M.Ikeda-Saito, with X-Ray Crystallography technique. A brief refinement statistics is given in the table below:

Resolution Low / High (Å) 30.00 / 2.25
Space group P 32 2 1
Cell size a, b, c (Å), α, β, γ (°) 65.882, 65.882, 120.244, 90.00, 90.00, 120.00
R / Rfree (%) 16.7 / 22.3

Iron Binding Sites:

The binding sites of Iron atom in the Crystal Structure of the Rat Heme Oxygenase (Ho-1) in Complex with Heme Binding Dithioerythritol (Dte) (pdb code 3i9u). 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 Crystal Structure of the Rat Heme Oxygenase (Ho-1) in Complex with Heme Binding Dithioerythritol (Dte), PDB code: 3i9u:

Iron binding site 1 out of 1 in 3i9u

Go back to Iron Binding Sites List in 3i9u
Iron binding site 1 out of 1 in the Crystal Structure of the Rat Heme Oxygenase (Ho-1) in Complex with Heme Binding Dithioerythritol (Dte)


Mono view


Stereo pair view

A full contact list of Iron with other atoms in the Fe binding site number 1 of Crystal Structure of the Rat Heme Oxygenase (Ho-1) in Complex with Heme Binding Dithioerythritol (Dte) within 5.0Å range:
probe atom residue distance (Å) B Occ
A:Fe300

b:24.1
occ:1.00
 FE A:HEM300 0.0 24.1 1.0
NC A:HEM300 2.0 24.3 1.0
NA A:HEM300 2.0 24.9 1.0
NE2 A:HIS25 2.1 29.5 1.0
ND A:HEM300 2.1 20.9 1.0
NB A:HEM300 2.1 28.1 1.0
S1 A:DTU2001 2.2 26.2 1.0
C4C A:HEM300 2.9 21.6 1.0
CD2 A:HIS25 3.0 23.7 1.0
CE1 A:HIS25 3.0 28.3 1.0
C1A A:HEM300 3.1 25.4 1.0
C4A A:HEM300 3.1 27.9 1.0
C1D A:HEM300 3.1 22.0 1.0
C4D A:HEM300 3.1 22.1 1.0
C4B A:HEM300 3.1 30.0 1.0
C1C A:HEM300 3.1 25.3 1.0
C1B A:HEM300 3.1 29.2 1.0
CHD A:HEM300 3.3 20.5 1.0
CHA A:HEM300 3.4 23.6 1.0
CHB A:HEM300 3.5 27.1 1.0
C1 A:DTU2001 3.5 30.9 1.0
CHC A:HEM300 3.5 27.6 1.0
ND1 A:HIS25 4.1 29.6 1.0
CG A:HIS25 4.2 28.2 1.0
C3C A:HEM300 4.2 23.7 1.0
C2 A:DTU2001 4.2 38.7 1.0
C2A A:HEM300 4.3 28.1 1.0
C3A A:HEM300 4.3 29.0 1.0
C2C A:HEM300 4.3 25.0 1.0
C3D A:HEM300 4.3 21.5 1.0
C3B A:HEM300 4.3 30.8 1.0
C2D A:HEM300 4.4 20.5 1.0
C2B A:HEM300 4.4 29.6 1.0
CA A:GLY143 4.8 23.9 1.0
CA A:GLY139 4.8 18.4 1.0
N A:GLY143 4.8 22.9 1.0

Reference:

T.Matsui, M.Iwasaki, R.Sugiyama, M.Unno, M.Ikeda-Saito. Dioxygen Activation For the Self-Degradation of Heme: Reaction Mechanism and Regulation of Heme Oxygenase. Inorg.Chem. V. 49 3602 2010.
ISSN: ISSN 0020-1669
PubMed: 20380462
DOI: 10.1021/IC901869T
Page generated: Tue Aug 5 02:19:20 2025

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