Crystal structure of wild-type human ferritin H chain. Determined by X-ray diffraction at 1.52 Å resolution. Released 25 Aug 2010.
Explore 3AJO in 3D Show helices and sheets RCSB PDB PDBe
3AJO contains 8 α-helices and 0 β-strands across 1 chain. Residue ranges use author residue numbering, as in the PDB file, from PDBe. To see them in 3D, choose the Cartoon representation with Secondary structure coloring: helices, sheets and coils get different colors.
| Element | Residues | Length | Sheet |
|---|---|---|---|
| α-helix | 14-40 | 27 | |
| α-helix | 49-76 | 28 | |
| α-helix | 86-88 | 3 | |
| α-helix | 96-123 | 28 | |
| α-helix | 127-133 | 7 | |
| α-helix | 134-138 | 5 | |
| α-helix | 139-158 | 20 | |
| α-helix | 164-173 | 10 |
| Molecule | Chains | Type | Length | Organism | UniProt |
|---|---|---|---|---|---|
| Ferritin heavy chain | A | protein | 182 | Homo sapiens | P02794 (AlphaFold model) |
>3AJO_1 Ferritin heavy chain (chains A) TTASTSQVRQNYHQDSEAAINRQINLELYASYVYLSMSYYFDRDDVALKNFAKYFLHQSH EEREHAEKLMKLQNQRGGRIFLQDIKKPDCDDWESGLNAMECALHLEKNVNQSLLELHKL ATDKNDPHLCDFIETHYLNEQVKAIKELGDHVTNLRKMGAPESGLAEYLFDKHTLGDSDN ES
| ID | Name | Formula | Copies |
|---|---|---|---|
| MG | Magnesium ion | Mg | 12 |
The universal mechanism for iron translocation to the ferroxidase site in ferritin, which is mediated by the well conserved transit site. Masuda, T., Goto, F., Yoshihara, T. et al. Biochem Biophys Res Commun (2010) 400:94-99. DOI 10.1016/j.bbrc.2010.08.017 · PubMed
Other PDB entries of the same protein (UniProt P02794 (AlphaFold model), which also has an AlphaFold model), best resolution first:
MolViewer shows 3AJO directly in your browser with nothing to install. Switch between cartoon, ball-and-stick, spacefill and surface views, color by chain, secondary structure or B-factor, measure distances, angles and dihedrals, and share or embed the view.