Iron in PDB 4lqj: Two Minutes Iron Loaded Frog M Ferritin

All present enzymatic activity of Two Minutes Iron Loaded Frog M Ferritin:
1.16.3.1;

The structure of Two Minutes Iron Loaded Frog M Ferritin, PDB code: 4lqj was solved by S.Mangani, F.Di Pisa, C.Pozzi, P.Turano, D.Lalli, with X-Ray Crystallography technique. A brief refinement statistics is given in the table below:

Resolution Low / High (Å)	46.14 / 1.20
Space group	F 4 3 2
Cell size a, b, c (Å), α, β, γ (°)	184.548, 184.548, 184.548, 90.00, 90.00, 90.00
R / Rfree (%)	13.6 / 14.5

The structure of Two Minutes Iron Loaded Frog M Ferritin also contains other interesting chemical elements:

Magnesium	(Mg)	10 atoms
Chlorine	(Cl)	12 atoms

The binding sites of Iron atom in the Two Minutes Iron Loaded Frog M Ferritin (pdb code 4lqj). This binding sites where shown within 5.0 Angstroms radius around Iron atom.
In total 3 binding sites of Iron where determined in the Two Minutes Iron Loaded Frog M Ferritin, PDB code: 4lqj:
Jump to Iron binding site number: 1; 2; 3;

Iron binding site 1 out of 3 in the Two Minutes Iron Loaded Frog M Ferritin


Mono view


Stereo pair view

A full contact list of Iron with other atoms in the Fe binding site number 1 of Two Minutes Iron Loaded Frog M Ferritin within 5.0Å range: probe atom residue distance (Å) B Occ A:Fe201 b:10.3 occ:0.50 OE1 A:GLU58 1.9 10.2 0.6 OE1 A:GLU23 2.0 8.3 0.5 OE1 A:GLU58 2.1 10.9 0.4 O A:HOH639 2.1 22.3 1.0 OE2 A:GLU23 2.1 9.0 0.5 OE1 A:GLU23 2.2 8.9 0.5 ND1 A:HIS61 2.2 9.3 0.5 O A:HOH651 2.4 14.8 1.0 CD A:GLU23 2.5 8.7 0.5 CD A:GLU58 2.9 10.0 0.6 CD A:GLU23 3.0 8.2 0.5 CE1 A:HIS61 3.0 9.3 0.5 CD A:GLU58 3.1 10.7 0.4 MG A:MG212 3.2 9.0 0.4 CG A:HIS61 3.3 9.1 0.5 O A:HOH583 3.3 12.0 0.5 OE2 A:GLU23 3.3 8.3 0.5 OE2 A:GLU58 3.3 10.5 0.6 OE2 A:GLU58 3.4 10.9 0.4 ND1 A:HIS61 3.5 11.0 0.5 FE A:FE2202 3.6 13.6 0.3 CB A:HIS61 3.7 8.8 0.5 CB A:HIS61 3.9 10.1 0.5 CG A:GLU23 4.0 8.5 0.5 CG1 A:VAL106 4.0 8.7 1.0 CG A:HIS61 4.0 10.6 0.5 CG A:GLU58 4.2 9.8 0.6 NE2 A:HIS61 4.2 9.3 0.5 MG A:MG213 4.3 16.9 0.3 CG A:GLU23 4.3 8.1 0.5 CD2 A:HIS61 4.3 9.2 0.5 OE1 A:GLN137 4.4 15.8 1.0 CA A:GLU58 4.4 9.5 0.6 CG A:GLU58 4.4 10.5 0.4 CE1 A:HIS61 4.4 11.0 0.5 CA A:GLU58 4.4 10.2 0.4 CB A:GLU58 4.5 9.6 0.6 OE2 A:GLU136 4.6 12.1 0.5 CB A:GLU58 4.7 10.4 0.4 CB A:GLU23 4.7 8.0 0.5 CB A:GLU23 4.8 8.4 0.5 O A:HOH440 4.9 9.0 0.4 O A:GLU58 5.0 8.0 1.0 CA A:GLU23 5.0 7.9 0.5

Iron binding site 2 out of 3 in the Two Minutes Iron Loaded Frog M Ferritin


Mono view


Stereo pair view

A full contact list of Iron with other atoms in the Fe binding site number 2 of Two Minutes Iron Loaded Frog M Ferritin within 5.0Å range: probe atom residue distance (Å) B Occ A:Fe202 b:13.6 occ:0.30 OE2 A:GLU58 1.7 10.9 0.4 O A:HOH651 1.9 14.8 1.0 MG A:MG213 2.1 16.9 0.3 OE2 A:GLU103 2.3 15.7 1.0 OE1 A:GLU103 2.4 13.9 1.0 O A:HOH394 2.4 27.0 1.0 OE2 A:GLU58 2.6 10.5 0.6 CD A:GLU103 2.6 12.2 1.0 CD A:GLU58 2.8 10.0 0.6 OE1 A:GLU58 2.8 10.2 0.6 CD A:GLU58 2.9 10.7 0.4 O A:HOH440 3.3 9.0 0.4 O A:HOH583 3.3 12.0 0.5 OE1 A:GLU58 3.4 10.9 0.4 MG A:MG212 3.5 9.0 0.4 FE A:FE2201 3.6 10.3 0.5 CG A:GLU58 3.9 9.8 0.6 NE2 A:GLN137 4.1 13.3 1.0 CG A:GLU58 4.1 10.5 0.4 CG A:GLU103 4.1 10.2 1.0 CE2 A:TYR30 4.3 10.5 1.0 OE1 A:GLN137 4.4 15.8 1.0 CE1 A:HIS61 4.4 9.3 0.5 OH A:TYR30 4.6 16.4 1.0 O A:HOH639 4.6 22.3 1.0 CD A:GLN137 4.7 12.5 1.0 ND1 A:HIS61 4.7 9.3 0.5 ND1 A:HIS54 4.7 14.6 0.5 OD2 A:ASP140 4.7 13.5 0.7 CB A:GLU103 4.9 8.6 1.0 CZ A:TYR30 5.0 12.9 1.0

Iron binding site 3 out of 3 in the Two Minutes Iron Loaded Frog M Ferritin


Mono view


Stereo pair view

A full contact list of Iron with other atoms in the Fe binding site number 3 of Two Minutes Iron Loaded Frog M Ferritin within 5.0Å range: probe atom residue distance (Å) B Occ A:Fe203 b:15.2 occ:0.15 CL A:CL215 1.6 10.5 0.2 NE2 A:HIS169 2.6 8.8 0.4 NE2 A:HIS169 2.7 10.7 0.6 CE1 A:HIS169 3.0 13.5 0.6 CE1 A:HIS169 3.2 13.8 0.4 CL A:CL222 3.6 12.3 0.1 CD2 A:HIS169 3.7 12.6 0.4 CD2 A:HIS169 4.0 10.5 0.6 ND1 A:HIS169 4.3 12.9 0.6 ND1 A:HIS169 4.5 11.5 0.4 CG A:HIS169 4.7 10.3 0.4 CG A:HIS169 4.8 10.4 0.6

S.Mangani, F.Di Pisa, C.Pozzi, P.Turano, D.Lalli. Crystallographic Snapshots of Iron in Frog M Ferritin To Be Published.