Iron in PDB 2zlt: Horse Methemoglobin High Salt, pH 7.0

The structure of Horse Methemoglobin High Salt, pH 7.0, PDB code: 2zlt was solved by P.S.Kaushal, R.Sankaranarayanan, M.Vijayan, with X-Ray Crystallography technique. A brief refinement statistics is given in the table below:

Resolution Low / High (Å)	18.32 / 1.90
Space group	C 1 2 1
Cell size a, b, c (Å), α, β, γ (°)	108.650, 63.336, 54.957, 90.00, 110.84, 90.00
R / Rfree (%)	19 / 22.6

The binding sites of Iron atom in the Horse Methemoglobin High Salt, pH 7.0 (pdb code 2zlt). This binding sites where shown within 5.0 Angstroms radius around Iron atom.
In total 2 binding sites of Iron where determined in the Horse Methemoglobin High Salt, pH 7.0, PDB code: 2zlt:
Jump to Iron binding site number: 1; 2;

Iron binding site 1 out of 2 in the Horse Methemoglobin High Salt, pH 7.0


Mono view


Stereo pair view

A full contact list of Iron with other atoms in the Fe binding site number 1 of Horse Methemoglobin High Salt, pH 7.0 within 5.0Å range: probe atom residue distance (Å) B Occ A:Fe142 b:25.6 occ:1.00 FE A:HEM142 0.0 25.6 1.0 NC A:HEM142 2.0 21.2 1.0 ND A:HEM142 2.1 25.4 1.0 NB A:HEM142 2.1 24.4 1.0 NA A:HEM142 2.1 25.3 1.0 O A:HOH252 2.2 26.7 1.0 NE2 A:HIS87 2.3 23.6 1.0 C4C A:HEM142 3.0 20.8 1.0 C1C A:HEM142 3.0 20.8 1.0 CD2 A:HIS87 3.1 24.9 1.0 C1D A:HEM142 3.1 24.1 1.0 C4B A:HEM142 3.1 23.4 1.0 C4D A:HEM142 3.1 27.4 1.0 C1A A:HEM142 3.1 27.3 1.0 C1B A:HEM142 3.1 24.8 1.0 C4A A:HEM142 3.1 25.1 1.0 CHD A:HEM142 3.4 22.4 1.0 CHC A:HEM142 3.4 22.2 1.0 CHA A:HEM142 3.4 25.5 1.0 CE1 A:HIS87 3.5 24.8 1.0 CHB A:HEM142 3.5 25.7 1.0 NE2 A:HIS58 4.2 27.6 1.0 C2C A:HEM142 4.3 21.4 1.0 C3C A:HEM142 4.3 20.1 1.0 CG A:HIS87 4.3 25.9 1.0 C2D A:HEM142 4.3 26.9 1.0 C3B A:HEM142 4.3 23.6 1.0 C3D A:HEM142 4.3 25.6 1.0 C2A A:HEM142 4.3 27.9 1.0 C2B A:HEM142 4.4 25.0 1.0 C3A A:HEM142 4.4 25.9 1.0 ND1 A:HIS87 4.5 23.5 1.0 CE1 A:HIS58 4.7 31.8 1.0

Iron binding site 2 out of 2 in the Horse Methemoglobin High Salt, pH 7.0


Mono view


Stereo pair view

A full contact list of Iron with other atoms in the Fe binding site number 2 of Horse Methemoglobin High Salt, pH 7.0 within 5.0Å range: probe atom residue distance (Å) B Occ B:Fe147 b:28.4 occ:1.00 FE B:HEM147 0.0 28.4 1.0 NA B:HEM147 2.1 28.3 1.0 NC B:HEM147 2.1 25.2 1.0 NB B:HEM147 2.1 26.0 1.0 ND B:HEM147 2.1 28.2 1.0 O B:HOH251 2.2 25.9 1.0 NE2 B:HIS92 2.3 30.9 1.0 C1C B:HEM147 3.0 25.9 1.0 C4A B:HEM147 3.1 28.8 1.0 C1A B:HEM147 3.1 30.1 1.0 C4B B:HEM147 3.1 26.8 1.0 C1B B:HEM147 3.1 27.6 1.0 C4C B:HEM147 3.1 25.7 1.0 C4D B:HEM147 3.1 29.8 1.0 C1D B:HEM147 3.1 28.7 1.0 CD2 B:HIS92 3.1 32.9 1.0 CHC B:HEM147 3.4 26.8 1.0 CHA B:HEM147 3.4 28.6 1.0 CHB B:HEM147 3.4 28.2 1.0 CE1 B:HIS92 3.4 32.0 1.0 CHD B:HEM147 3.5 28.0 1.0 NE2 B:HIS63 4.2 28.1 1.0 C2C B:HEM147 4.3 26.2 1.0 C3A B:HEM147 4.3 30.0 1.0 C3C B:HEM147 4.3 27.2 1.0 C2A B:HEM147 4.3 30.6 1.0 C3B B:HEM147 4.3 28.8 1.0 C2B B:HEM147 4.3 27.7 1.0 C3D B:HEM147 4.4 30.1 1.0 C2D B:HEM147 4.4 30.5 1.0 CG B:HIS92 4.4 34.0 1.0 ND1 B:HIS92 4.5 33.7 1.0 CE1 B:HIS63 4.7 28.3 1.0 CG2 B:VAL67 4.7 25.2 1.0

P.S.Kaushal, R.Sankaranarayanan, M.Vijayan. Water-Mediated Variability in the Structure of Relaxed-State Haemoglobin Acta Crystallogr.,Sect.F V. 64 463 2008.
ISSN: ESSN 1744-3091
PubMed: 18540052
DOI: 10.1107/S1744309108013109