Iron in PDB 1nz4: The Horse Heart Myoglobin Variant K45E/K63E Complexed with Cadmium

The structure of The Horse Heart Myoglobin Variant K45E/K63E Complexed with Cadmium, PDB code: 1nz4 was solved by C.L.Hunter, R.Maurus, M.R.Mauk, H.Lee, E.L.Raven, H.Tong, N.Nguyen, S.Smith, G.D.Brayer, A.G.Mauk, with X-Ray Crystallography technique. A brief refinement statistics is given in the table below:

Resolution Low / High (Å)	10.00 / 1.80
Space group	P 21 21 21
Cell size a, b, c (Å), α, β, γ (°)	29.300, 35.800, 125.100, 90.00, 90.00, 90.00
R / Rfree (%)	n/a / n/a

The structure of The Horse Heart Myoglobin Variant K45E/K63E Complexed with Cadmium also contains other interesting chemical elements:

Cadmium

(Cd)

2 atoms

The binding sites of Iron atom in the The Horse Heart Myoglobin Variant K45E/K63E Complexed with Cadmium (pdb code 1nz4). 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 The Horse Heart Myoglobin Variant K45E/K63E Complexed with Cadmium, PDB code: 1nz4:

Iron binding site 1 out of 1 in the The Horse Heart Myoglobin Variant K45E/K63E Complexed with Cadmium


Mono view


Stereo pair view

A full contact list of Iron with other atoms in the Fe binding site number 1 of The Horse Heart Myoglobin Variant K45E/K63E Complexed with Cadmium within 5.0Å range: probe atom residue distance (Å) B Occ A:Fe154 b:15.0 occ:1.00 FE A:HEM154 0.0 15.0 1.0 NA A:HEM154 2.0 13.0 1.0 ND A:HEM154 2.0 14.0 1.0 NB A:HEM154 2.0 13.0 1.0 NC A:HEM154 2.0 14.0 1.0 NE2 A:HIS93 2.1 13.0 1.0 O A:HOH155 2.1 17.0 1.0 CE1 A:HIS93 3.0 13.0 1.0 C4A A:HEM154 3.0 13.0 1.0 C1D A:HEM154 3.0 15.0 1.0 C4C A:HEM154 3.0 16.0 1.0 C4B A:HEM154 3.0 11.0 1.0 C1B A:HEM154 3.1 14.0 1.0 C4D A:HEM154 3.1 13.0 1.0 C1A A:HEM154 3.1 14.0 1.0 C1C A:HEM154 3.1 15.0 1.0 CD2 A:HIS93 3.2 11.0 1.0 CHD A:HEM154 3.4 14.0 1.0 CHB A:HEM154 3.4 14.0 1.0 CHC A:HEM154 3.4 13.0 1.0 CHA A:HEM154 3.4 15.0 1.0 ND1 A:HIS93 4.2 14.0 1.0 C2A A:HEM154 4.3 14.0 1.0 CG A:HIS93 4.3 13.0 1.0 C3A A:HEM154 4.3 13.0 1.0 C3D A:HEM154 4.3 15.0 1.0 C2B A:HEM154 4.3 13.0 1.0 C3B A:HEM154 4.3 13.0 1.0 C2D A:HEM154 4.3 16.0 1.0 C3C A:HEM154 4.3 16.0 1.0 C2C A:HEM154 4.3 17.0 1.0 NE2 A:HIS64 4.5 15.0 1.0 CG2 A:VAL68 4.8 14.0 1.0

C.L.Hunter, R.Maurus, M.R.Mauk, H.Lee, E.L.Raven, H.Tong, N.Nguyen, M.Smith, G.D.Brayer, A.G.Mauk. Introduction and Characterization of A Functionally Linked Metal Ion Binding Site at the Exposed Heme Edge of Myoglobin Proc.Natl.Acad.Sci.Usa V. 100 3647 2003.
ISSN: ISSN 0027-8424
PubMed: 12644706
DOI: 10.1073/PNAS.0636702100