Magnesium in PDB 6i36: Sixty Minutes Iron Loaded Frog M Ferritin

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

The structure of Sixty Minutes Iron Loaded Frog M Ferritin, PDB code: 6i36 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)	19.64 / 1.59
Space group	F 4 3 2
Cell size a, b, c (Å), α, β, γ (°)	184.200, 184.200, 184.200, 90.00, 90.00, 90.00
R / Rfree (%)	19.2 / 20.5

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

Iron	(Fe)	6 atoms
Chlorine	(Cl)	15 atoms

The binding sites of Magnesium atom in the Sixty Minutes Iron Loaded Frog M Ferritin (pdb code 6i36). This binding sites where shown within 5.0 Angstroms radius around Magnesium atom.
In total 4 binding sites of Magnesium where determined in the Sixty Minutes Iron Loaded Frog M Ferritin, PDB code: 6i36:
Jump to Magnesium binding site number: 1; 2; 3; 4;

Magnesium binding site 1 out of 4 in the Sixty Minutes Iron Loaded Frog M Ferritin


Mono view


Stereo pair view

A full contact list of Magnesium with other atoms in the Mg binding site number 1 of Sixty Minutes Iron Loaded Frog M Ferritin within 5.0Å range: probe atom residue distance (Å) B Occ A:Mg205 b:20.9 occ:1.00 OG A:SER10 2.0 10.3 1.0 O A:HOH399 2.1 19.6 1.0 O A:HOH377 2.1 16.3 1.0 O A:HOH411 2.1 11.6 1.0 O A:HOH464 2.1 21.3 1.0 O A:HOH591 2.2 24.8 1.0 CB A:SER10 3.2 9.2 1.0 CA A:SER10 3.9 8.7 1.0 O A:SER10 4.0 8.4 1.0 OE1 A:GLU13 4.2 7.7 1.0 O A:HOH325 4.2 14.4 1.0 C A:SER10 4.3 8.7 1.0 O A:HOH534 4.4 31.0 1.0 O A:HOH542 4.4 30.4 1.0 O A:HOH637 4.4 31.1 1.0 O A:HOH529 4.5 10.9 1.0 CD A:GLU13 4.7 7.3 1.0

Magnesium binding site 2 out of 4 in the Sixty Minutes Iron Loaded Frog M Ferritin


Mono view


Stereo pair view

A full contact list of Magnesium with other atoms in the Mg binding site number 2 of Sixty Minutes Iron Loaded Frog M Ferritin within 5.0Å range: probe atom residue distance (Å) B Occ A:Mg206 b:6.2 occ:0.50 O A:HOH571 2.2 9.1 0.5 O A:HOH532 2.6 13.2 1.0 O A:HOH560 4.0 16.5 1.0 CE A:LYS83 4.4 7.8 0.6 O A:HOH392 4.4 12.1 1.0 CE A:LYS83 4.6 7.6 0.4 O A:HOH489 4.6 25.2 1.0 NZ A:LYS82 4.8 11.1 1.0

Magnesium binding site 3 out of 4 in the Sixty Minutes Iron Loaded Frog M Ferritin


Mono view


Stereo pair view

A full contact list of Magnesium with other atoms in the Mg binding site number 3 of Sixty Minutes Iron Loaded Frog M Ferritin within 5.0Å range: probe atom residue distance (Å) B Occ A:Mg208 b:13.8 occ:0.80 O A:HOH447 2.0 17.2 0.8 O A:HOH631 2.1 21.2 0.8 O A:HOH454 2.2 16.8 0.8 O A:HOH563 4.2 32.6 1.0 O A:SER131 4.3 11.9 1.0 O A:HOH574 4.3 26.2 1.0 O A:GLU130 4.4 10.8 1.0 O A:HOH561 4.5 27.8 1.0 CA A:SER131 4.6 11.4 1.0 CB A:GLU135 4.6 11.3 1.0 CG A:GLU135 4.8 12.4 1.0 C A:SER131 4.8 11.4 1.0

Magnesium binding site 4 out of 4 in the Sixty Minutes Iron Loaded Frog M Ferritin


Mono view


Stereo pair view

A full contact list of Magnesium with other atoms in the Mg binding site number 4 of Sixty Minutes Iron Loaded Frog M Ferritin within 5.0Å range: probe atom residue distance (Å) B Occ A:Mg209 b:20.1 occ:0.80 O A:HOH552 1.8 17.8 0.8 O A:HOH619 2.2 26.9 0.8 O A:HOH421 4.1 12.9 1.0 O A:HOH360 4.6 30.2 1.0 O A:HOH336 4.6 13.9 1.0

C.Pozzi, F.Di Pisa, D.Lalli, C.Rosa, E.Theil, P.Turano, S.Mangani. Time-Lapse Anomalous X-Ray Diffraction Shows How Fe(2+) Substrate Ions Move Through Ferritin Protein Nanocages to Oxidoreductase Sites. Acta Crystallogr.,Sect.D V. 71 941 2015.
ISSN: ISSN 0907-4449
PubMed: 25849404
DOI: 10.1107/S1399004715002333