Iron in PDB 28ka: Iron Loaded Human H-Chain Ferritin, Anaerobic

All present enzymatic activity of Iron Loaded Human H-Chain Ferritin, Anaerobic:
1.16.3.1;

The structure of Iron Loaded Human H-Chain Ferritin, Anaerobic, PDB code: 28ka was solved by Z.Bugg, J.M.Bradley, N.E.Le Brun, A.M.Hemmings, with X-Ray Crystallography technique. A brief refinement statistics is given in the table below:

Resolution Low / High (Å)	28.93 / 2.11
Space group	F 4 3 2
Cell size a, b, c (Å), α, β, γ (°)	182.958, 182.958, 182.958, 90, 90, 90
R / Rfree (%)	15.4 / 19.1

The structure of Iron Loaded Human H-Chain Ferritin, Anaerobic also contains other interesting chemical elements:

Magnesium	(Mg)	8 atoms
Chlorine	(Cl)	1 atom

The binding sites of Iron atom in the Iron Loaded Human H-Chain Ferritin, Anaerobic (pdb code 28ka). This binding sites where shown within 5.0 Angstroms radius around Iron atom.
In total 5 binding sites of Iron where determined in the Iron Loaded Human H-Chain Ferritin, Anaerobic, PDB code: 28ka:
Jump to Iron binding site number: 1; 2; 3; 4; 5;

Iron binding site 1 out of 5 in the Iron Loaded Human H-Chain Ferritin, Anaerobic


Mono view


Stereo pair view

A full contact list of Iron with other atoms in the Fe binding site number 1 of Iron Loaded Human H-Chain Ferritin, Anaerobic within 5.0Å range: probe atom residue distance (Å) B Occ A:Fe201 b:32.4 occ:0.25 O A:HOH439 2.1 23.2 0.2 NE2 A:HIS173 2.2 24.7 1.0 CL A:CL214 2.5 19.6 0.2 CE1 A:HIS173 3.1 23.8 1.0 CD2 A:HIS173 3.3 25.5 1.0 ND1 A:HIS173 4.3 24.9 1.0 CG A:HIS173 4.4 27.8 1.0

Iron binding site 2 out of 5 in the Iron Loaded Human H-Chain Ferritin, Anaerobic


Mono view


Stereo pair view

A full contact list of Iron with other atoms in the Fe binding site number 2 of Iron Loaded Human H-Chain Ferritin, Anaerobic within 5.0Å range: probe atom residue distance (Å) B Occ A:Fe202 b:33.6 occ:0.65 OE2 A:GLU62 1.9 34.2 1.0 O A:HOH335 2.1 32.3 1.0 OE1 A:GLU107 2.2 30.9 1.0 OE2 A:GLU107 2.3 31.9 1.0 O A:HOH418 2.3 28.1 1.0 O A:HOH430 2.4 35.6 1.0 CD A:GLU107 2.5 35.9 1.0 CD A:GLU62 2.9 28.3 1.0 OE1 A:GLU62 3.2 27.3 1.0 FE A:FE204 3.3 32.2 0.9 O A:HOH363 3.7 39.5 1.0 OE1 A:GLN141 3.9 29.9 1.0 NE2 A:GLN141 3.9 30.6 1.0 CG A:GLU107 4.1 27.4 1.0 O A:HOH360 4.2 39.8 1.0 CG A:GLU62 4.3 24.8 1.0 CD A:GLN141 4.3 29.5 1.0 O A:HOH459 4.4 41.7 1.0 CE1 A:HIS65 4.5 42.7 1.0 CE2 A:TYR34 4.5 22.9 1.0 ND1 A:HIS65 4.5 32.6 1.0 OH A:TYR34 4.5 32.9 1.0 O A:HOH333 4.5 25.2 1.0 CB A:GLU107 4.9 23.2 1.0

Iron binding site 3 out of 5 in the Iron Loaded Human H-Chain Ferritin, Anaerobic


Mono view


Stereo pair view

A full contact list of Iron with other atoms in the Fe binding site number 3 of Iron Loaded Human H-Chain Ferritin, Anaerobic within 5.0Å range: probe atom residue distance (Å) B Occ A:Fe203 b:31.1 occ:0.60 N A:TYR12 3.3 23.1 1.0 N A:ASN11 3.4 26.1 1.0 O A:TYR12 3.5 22.5 1.0 CG A:ARG9 3.6 27.3 1.0 NE A:ARG9 3.7 28.9 1.0 CD A:ARG9 3.8 26.6 1.0 C A:GLN10 3.9 24.2 1.0 CA A:GLN10 4.0 25.3 1.0 C A:TYR12 4.0 24.1 1.0 N A:GLN10 4.0 21.4 1.0 O A:HOH433 4.0 31.9 1.0 CA A:TYR12 4.0 24.7 1.0 CA A:ASN11 4.1 25.6 1.0 C A:ASN11 4.2 24.7 1.0 C A:ARG9 4.3 25.5 1.0 CB A:TYR12 4.3 19.9 1.0 CB A:ARG9 4.5 24.2 1.0 O A:ARG9 4.6 25.1 1.0 O A:GLN10 4.7 21.5 1.0 CZ A:ARG9 5.0 28.3 1.0

Iron binding site 4 out of 5 in the Iron Loaded Human H-Chain Ferritin, Anaerobic


Mono view


Stereo pair view

A full contact list of Iron with other atoms in the Fe binding site number 4 of Iron Loaded Human H-Chain Ferritin, Anaerobic within 5.0Å range: probe atom residue distance (Å) B Occ A:Fe204 b:32.2 occ:0.90 OE1 A:GLU62 2.1 27.3 1.0 OE1 A:GLU27 2.1 24.6 1.0 O A:HOH333 2.2 25.2 1.0 O A:HOH335 2.3 32.3 1.0 ND1 A:HIS65 2.3 32.6 1.0 O A:HOH418 2.7 28.1 1.0 CD A:GLU62 3.1 28.3 1.0 CD A:GLU27 3.1 26.8 1.0 CE1 A:HIS65 3.1 42.7 1.0 FE A:FE202 3.3 33.6 0.7 CG A:HIS65 3.3 31.1 1.0 OE2 A:GLU62 3.4 34.2 1.0 OE2 A:GLU27 3.4 27.7 1.0 CB A:HIS65 3.7 21.8 1.0 OE1 A:GLN141 4.1 29.9 1.0 NE2 A:HIS65 4.3 44.6 1.0 CD2 A:HIS65 4.4 37.3 1.0 CG A:GLU62 4.4 24.8 1.0 CG A:GLU27 4.5 20.1 1.0 CG1 A:VAL110 4.6 25.3 1.0 CA A:GLU62 4.6 22.3 1.0 CB A:GLU62 4.7 20.0 1.0 CB A:GLU27 4.8 20.5 1.0 CD A:GLN141 4.9 29.5 1.0 NE2 A:GLN141 4.9 30.6 1.0 OE1 A:GLU107 5.0 30.9 1.0

Iron binding site 5 out of 5 in the Iron Loaded Human H-Chain Ferritin, Anaerobic


Mono view


Stereo pair view

A full contact list of Iron with other atoms in the Fe binding site number 5 of Iron Loaded Human H-Chain Ferritin, Anaerobic within 5.0Å range: probe atom residue distance (Å) B Occ A:Fe205 b:36.6 occ:0.60 N A:GLN14 3.1 22.1 1.0 CG A:GLN14 3.1 45.8 1.0 CA A:HIS13 3.7 29.4 1.0 CG A:HIS13 3.7 30.9 1.0 CD2 A:HIS13 3.8 29.4 1.0 CB A:GLN14 3.8 33.3 1.0 ND1 A:HIS13 3.8 31.0 1.0 C A:HIS13 3.9 26.1 1.0 NE2 A:HIS13 3.9 34.0 1.0 CE1 A:HIS13 3.9 31.9 1.0 CA A:GLN14 4.0 29.3 1.0 CB A:HIS13 4.3 25.9 1.0 CD A:GLN14 4.3 53.6 1.0 O A:TYR12 4.5 22.5 1.0 OE1 A:GLN14 4.7 50.4 1.0 N A:HIS13 4.8 22.5 1.0

Z.Bugg, J.M.Bradley, A.M.Hemmings, N.E.Le Brun. Ferritin Iron Mineralisation: Route of Fe 3+ Transfer From the Ferroxidase Centre to the Inner Cavity of Human H-Chain Ferritin. Angew.Chem.Int.Ed.Engl. 03843 2026.
ISSN: ESSN 1521-3773
PubMed: 42216818
DOI: 10.1002/ANIE.1203843