Iron in PDB 1wnx: D136E Mutant of Heme Oxygenase From Corynebacterium Diphtheriae (Hmuo)

All present enzymatic activity of D136E Mutant of Heme Oxygenase From Corynebacterium Diphtheriae (Hmuo):
1.14.99.3;

The structure of D136E Mutant of Heme Oxygenase From Corynebacterium Diphtheriae (Hmuo), PDB code: 1wnx was solved by M.Unno, T.Matsui, M.Ikeda-Saito, with X-Ray Crystallography technique. A brief refinement statistics is given in the table below:

Resolution Low / High (Å)	40.00 / 1.85
Space group	C 1 2 1
Cell size a, b, c (Å), α, β, γ (°)	106.151, 63.722, 79.296, 90.00, 130.28, 90.00
R / Rfree (%)	15 / 20.1

The structure of D136E Mutant of Heme Oxygenase From Corynebacterium Diphtheriae (Hmuo) also contains other interesting chemical elements:

Sodium

(Na)

1 atom

The binding sites of Iron atom in the D136E Mutant of Heme Oxygenase From Corynebacterium Diphtheriae (Hmuo) (pdb code 1wnx). This binding sites where shown within 5.0 Angstroms radius around Iron atom.
In total 2 binding sites of Iron where determined in the D136E Mutant of Heme Oxygenase From Corynebacterium Diphtheriae (Hmuo), PDB code: 1wnx:
Jump to Iron binding site number: 1; 2;

Iron binding site 1 out of 2 in the D136E Mutant of Heme Oxygenase From Corynebacterium Diphtheriae (Hmuo)


Mono view


Stereo pair view

A full contact list of Iron with other atoms in the Fe binding site number 1 of D136E Mutant of Heme Oxygenase From Corynebacterium Diphtheriae (Hmuo) within 5.0Å range: probe atom residue distance (Å) B Occ A:Fe901 b:28.4 occ:1.00 FE A:HEM901 0.0 28.4 1.0 NE2 A:HIS20 1.9 23.3 1.0 NB A:HEM901 2.0 22.7 1.0 O A:HOH3017 2.0 26.3 1.0 NA A:HEM901 2.1 23.5 1.0 ND A:HEM901 2.1 37.1 1.0 NC A:HEM901 2.1 31.5 1.0 CE1 A:HIS20 2.9 28.6 1.0 CD2 A:HIS20 2.9 25.9 1.0 C4B A:HEM901 3.0 28.6 1.0 C1C A:HEM901 3.0 33.6 1.0 C4A A:HEM901 3.1 20.6 1.0 C1A A:HEM901 3.1 27.3 1.0 C1B A:HEM901 3.1 23.0 1.0 C4D A:HEM901 3.1 36.7 1.0 C1D A:HEM901 3.1 44.5 1.0 C4C A:HEM901 3.1 39.2 1.0 CHC A:HEM901 3.3 30.9 1.0 CHA A:HEM901 3.4 30.8 1.0 CHB A:HEM901 3.5 23.2 1.0 CHD A:HEM901 3.5 42.9 1.0 ND1 A:HIS20 4.0 29.6 1.0 CG A:HIS20 4.0 25.2 1.0 C3B A:HEM901 4.2 28.7 1.0 C2B A:HEM901 4.3 24.5 1.0 C3C A:HEM901 4.3 42.9 1.0 C2A A:HEM901 4.3 23.9 1.0 C3A A:HEM901 4.3 21.7 1.0 C2C A:HEM901 4.3 39.8 1.0 C2D A:HEM901 4.3 48.6 1.0 C3D A:HEM901 4.3 48.9 1.0 O A:GLY135 4.7 22.6 1.0 CA A:GLY135 4.8 19.7 1.0

Iron binding site 2 out of 2 in the D136E Mutant of Heme Oxygenase From Corynebacterium Diphtheriae (Hmuo)


Mono view


Stereo pair view

A full contact list of Iron with other atoms in the Fe binding site number 2 of D136E Mutant of Heme Oxygenase From Corynebacterium Diphtheriae (Hmuo) within 5.0Å range: probe atom residue distance (Å) B Occ B:Fe902 b:33.5 occ:1.00 FE B:HEM902 0.0 33.5 1.0 ND B:HEM902 1.9 42.4 1.0 NB B:HEM902 2.0 29.8 1.0 NA B:HEM902 2.0 25.8 1.0 NE2 B:HIS20 2.0 35.4 1.0 O B:HOH1196 2.1 27.1 1.0 NC B:HEM902 2.1 40.7 1.0 C4D B:HEM902 2.9 44.3 1.0 C1D B:HEM902 2.9 50.8 1.0 CE1 B:HIS20 3.0 38.0 1.0 C1A B:HEM902 3.0 30.0 1.0 C1B B:HEM902 3.0 26.5 1.0 CD2 B:HIS20 3.0 35.2 1.0 C4B B:HEM902 3.1 31.7 1.0 C4A B:HEM902 3.1 22.5 1.0 C4C B:HEM902 3.1 48.2 1.0 C1C B:HEM902 3.2 40.7 1.0 CHA B:HEM902 3.3 42.2 1.0 CHD B:HEM902 3.4 50.2 1.0 CHB B:HEM902 3.4 25.3 1.0 CHC B:HEM902 3.5 37.5 1.0 ND1 B:HIS20 4.1 35.8 1.0 C3D B:HEM902 4.2 56.3 1.0 C2D B:HEM902 4.2 58.3 1.0 CG B:HIS20 4.2 32.8 1.0 C2A B:HEM902 4.2 29.8 1.0 C3B B:HEM902 4.3 30.6 1.0 C3A B:HEM902 4.3 26.1 1.0 C2B B:HEM902 4.3 24.9 1.0 C3C B:HEM902 4.4 50.7 1.0 C2C B:HEM902 4.4 48.8 1.0 CA B:GLY135 4.6 21.6 1.0 O B:GLY135 4.6 22.7 1.0 OE2 B:GLU24 5.0 38.0 1.0

T.Matsui, M.Furukawa, M.Unno, T.Tomita, M.Ikeda-Saito. Roles of Distal Asp in Heme Oxygenase From Corynebacterium Diphtheriae, Hmuo: A Water-Driven Oxygen Activation Mechanism J.Biol.Chem. V. 280 2981 2005.
ISSN: ISSN 0021-9258
PubMed: 15528205
DOI: 10.1074/JBC.M410263200