Iron in PDB 2r80: Pigeon Hemoglobin (Oxy Form)

The structure of Pigeon Hemoglobin (Oxy Form), PDB code: 2r80 was solved by M.N.Ponnuswamy, C.Packianathan, S.Sundaresan, K.Neelagandan, K.Palani, J.J.Muller, U.Heinemann, with X-Ray Crystallography technique. A brief refinement statistics is given in the table below:

Resolution Low / High (Å)	26.81 / 1.44
Space group	P 21 21 21
Cell size a, b, c (Å), α, β, γ (°)	81.086, 81.543, 79.214, 90.00, 90.00, 90.00
R / Rfree (%)	19.7 / 23.5

The binding sites of Iron atom in the Pigeon Hemoglobin (Oxy Form) (pdb code 2r80). This binding sites where shown within 5.0 Angstroms radius around Iron atom.
In total 4 binding sites of Iron where determined in the Pigeon Hemoglobin (Oxy Form), PDB code: 2r80:
Jump to Iron binding site number: 1; 2; 3; 4;

Iron binding site 1 out of 4 in the Pigeon Hemoglobin (Oxy Form)


Mono view


Stereo pair view

A full contact list of Iron with other atoms in the Fe binding site number 1 of Pigeon Hemoglobin (Oxy Form) within 5.0Å range: probe atom residue distance (Å) B Occ A:Fe150 b:11.2 occ:1.00 FE A:HEM150 0.0 11.2 1.0 NC A:HEM150 2.0 9.7 1.0 NA A:HEM150 2.1 11.0 1.0 NB A:HEM150 2.1 12.3 1.0 ND A:HEM150 2.1 13.1 1.0 NE2 A:HIS87 2.1 13.4 1.0 O1 A:OXY151 2.2 19.3 1.0 CE1 A:HIS87 3.0 14.4 1.0 C1C A:HEM150 3.0 11.2 1.0 C4D A:HEM150 3.1 13.7 1.0 C4B A:HEM150 3.1 12.2 1.0 C4C A:HEM150 3.1 10.5 1.0 C1D A:HEM150 3.1 12.9 1.0 C1A A:HEM150 3.1 13.8 1.0 C4A A:HEM150 3.1 13.0 1.0 C1B A:HEM150 3.1 12.8 1.0 O2 A:OXY151 3.1 10.0 0.5 CD2 A:HIS87 3.2 11.5 1.0 CHC A:HEM150 3.4 12.3 1.0 CHA A:HEM150 3.4 14.4 1.0 CHD A:HEM150 3.4 12.9 1.0 CHB A:HEM150 3.5 13.2 1.0 ND1 A:HIS87 4.2 14.3 1.0 CG A:HIS87 4.3 13.8 1.0 NE2 A:HIS58 4.3 15.2 1.0 C3D A:HEM150 4.3 14.2 1.0 C2C A:HEM150 4.3 11.4 1.0 C3C A:HEM150 4.3 11.6 1.0 C3B A:HEM150 4.3 13.7 1.0 C2B A:HEM150 4.3 12.3 1.0 C3A A:HEM150 4.3 14.6 1.0 C2D A:HEM150 4.3 13.6 1.0 C2A A:HEM150 4.3 15.6 1.0 CE1 A:HIS58 4.8 15.7 1.0 CG2 A:VAL62 4.9 11.2 1.0

Iron binding site 2 out of 4 in the Pigeon Hemoglobin (Oxy Form)


Mono view


Stereo pair view

A full contact list of Iron with other atoms in the Fe binding site number 2 of Pigeon Hemoglobin (Oxy Form) within 5.0Å range: probe atom residue distance (Å) B Occ B:Fe150 b:8.4 occ:1.00 FE B:HEM150 0.0 8.4 1.0 ND B:HEM150 2.0 8.7 1.0 NA B:HEM150 2.0 8.1 1.0 NB B:HEM150 2.0 7.7 1.0 NC B:HEM150 2.0 6.9 1.0 O1 B:OXY151 2.0 13.5 1.0 NE2 B:HIS92 2.1 10.6 1.0 O2 B:OXY151 2.9 16.5 1.0 C4A B:HEM150 3.0 10.6 1.0 C1D B:HEM150 3.0 8.4 1.0 C1B B:HEM150 3.1 7.7 1.0 C4D B:HEM150 3.1 8.3 1.0 C4C B:HEM150 3.1 7.2 1.0 CE1 B:HIS92 3.1 10.7 1.0 C4B B:HEM150 3.1 8.6 1.0 C1C B:HEM150 3.1 7.0 1.0 CD2 B:HIS92 3.1 9.8 1.0 C1A B:HEM150 3.1 9.6 1.0 CHB B:HEM150 3.4 9.0 1.0 CHD B:HEM150 3.4 8.4 1.0 CHC B:HEM150 3.4 8.1 1.0 CHA B:HEM150 3.5 9.3 1.0 ND1 B:HIS92 4.2 10.2 1.0 CG B:HIS92 4.2 10.3 1.0 C3A B:HEM150 4.3 11.7 1.0 C2B B:HEM150 4.3 8.4 1.0 NE2 B:HIS63 4.3 9.8 1.0 C3D B:HEM150 4.3 9.5 1.0 C3B B:HEM150 4.3 9.8 1.0 C2D B:HEM150 4.3 8.6 1.0 C2C B:HEM150 4.3 6.8 1.0 C3C B:HEM150 4.3 8.5 1.0 C2A B:HEM150 4.3 11.2 1.0 CG2 B:VAL67 4.8 8.4 1.0 CE1 B:HIS63 5.0 12.3 1.0

Iron binding site 3 out of 4 in the Pigeon Hemoglobin (Oxy Form)


Mono view


Stereo pair view

A full contact list of Iron with other atoms in the Fe binding site number 3 of Pigeon Hemoglobin (Oxy Form) within 5.0Å range: probe atom residue distance (Å) B Occ C:Fe150 b:6.6 occ:1.00 FE C:HEM150 0.0 6.6 1.0 NC C:HEM150 2.0 5.9 1.0 NA C:HEM150 2.0 5.0 1.0 NB C:HEM150 2.0 6.1 1.0 ND C:HEM150 2.0 6.9 1.0 NE2 C:HIS87 2.1 8.2 1.0 O1 C:OXY151 2.2 12.0 1.0 C1C C:HEM150 3.0 5.1 1.0 CE1 C:HIS87 3.0 7.7 1.0 C4B C:HEM150 3.0 7.2 1.0 C1A C:HEM150 3.1 5.3 1.0 C4D C:HEM150 3.1 7.1 1.0 C4C C:HEM150 3.1 6.0 1.0 C4A C:HEM150 3.1 7.4 1.0 C1D C:HEM150 3.1 7.2 1.0 C1B C:HEM150 3.1 6.8 1.0 CD2 C:HIS87 3.1 7.3 1.0 O2 C:OXY151 3.1 16.3 1.0 CHC C:HEM150 3.4 7.2 1.0 CHA C:HEM150 3.4 6.6 1.0 CHB C:HEM150 3.4 7.7 1.0 CHD C:HEM150 3.5 7.4 1.0 ND1 C:HIS87 4.1 7.7 1.0 CG C:HIS87 4.2 6.2 1.0 C2C C:HEM150 4.2 6.8 1.0 C3C C:HEM150 4.3 7.9 1.0 C2A C:HEM150 4.3 8.3 1.0 C3B C:HEM150 4.3 8.3 1.0 C3A C:HEM150 4.3 7.3 1.0 C2B C:HEM150 4.3 5.9 1.0 C2D C:HEM150 4.3 8.0 1.0 C3D C:HEM150 4.3 8.7 1.0 NE2 C:HIS58 4.3 8.6 1.0 CG2 C:VAL62 4.8 8.7 1.0

Iron binding site 4 out of 4 in the Pigeon Hemoglobin (Oxy Form)


Mono view


Stereo pair view

A full contact list of Iron with other atoms in the Fe binding site number 4 of Pigeon Hemoglobin (Oxy Form) within 5.0Å range: probe atom residue distance (Å) B Occ D:Fe150 b:9.1 occ:1.00 FE D:HEM150 0.0 9.1 1.0 ND D:HEM150 2.0 10.3 1.0 NB D:HEM150 2.0 9.0 1.0 NC D:HEM150 2.0 7.9 1.0 NA D:HEM150 2.0 8.4 1.0 NE2 D:HIS92 2.1 8.1 1.0 O1 D:OXY151 2.1 12.7 1.0 C1C D:HEM150 3.0 8.3 1.0 O2 D:OXY151 3.0 17.2 1.0 CE1 D:HIS92 3.0 8.0 1.0 C1D D:HEM150 3.0 9.4 1.0 C1B D:HEM150 3.0 9.0 1.0 C4D D:HEM150 3.0 8.9 1.0 C4C D:HEM150 3.1 7.3 1.0 C4B D:HEM150 3.1 8.1 1.0 CD2 D:HIS92 3.1 8.4 1.0 C4A D:HEM150 3.1 8.7 1.0 C1A D:HEM150 3.1 10.2 1.0 CHD D:HEM150 3.4 10.0 1.0 CHC D:HEM150 3.4 8.8 1.0 CHB D:HEM150 3.4 10.1 1.0 CHA D:HEM150 3.4 10.3 1.0 ND1 D:HIS92 4.2 8.0 1.0 CG D:HIS92 4.2 9.2 1.0 C2C D:HEM150 4.2 7.8 1.0 C3C D:HEM150 4.3 9.7 1.0 C2D D:HEM150 4.3 11.7 1.0 C2B D:HEM150 4.3 9.9 1.0 C3D D:HEM150 4.3 11.8 1.0 C3B D:HEM150 4.3 10.2 1.0 NE2 D:HIS63 4.3 11.1 1.0 C3A D:HEM150 4.3 8.8 1.0 C2A D:HEM150 4.3 11.1 1.0 CG2 D:VAL67 4.8 10.5 1.0 CE1 D:HIS63 4.9 12.8 1.0

M.N.Ponnuswamy, C.Packianathan, S.Sundaresan, K.Neelagandan, K.Palani, J.J.Muller, U.Heinemann. X-Ray Crystal Structure Analysis of Hemolgobin From Pigeon (Columba Livia) at 1.44 Angstrom To Be Published.