Crystal structure of the nucleosome containing a chimeric histone H3/CENP-A CATD. Determined by X-ray diffraction at 2.73 Å resolution. Released 13 Feb 2019.
Explore 5Z23 in 3D Show helices and sheets RCSB PDB PDBe
5Z23 contains 38 α-helices and 24 β-strands across 8 chains. 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 | 41-42 | 2 | |
| α-helix | 45-56 | 12 | |
| α-helix | 64-78 | 15 | |
| β-strand | 80 | 1 | 1 |
| β-strand | 82 | 1 | 1 |
| β-strand | 85-86 | 2 | 2 |
| α-helix | 88-115 | 28 | |
| β-strand | 120-121 | 2 | 3 |
| α-helix | 123-133 | 11 |
| Element | Residues | Length | Sheet |
|---|---|---|---|
| α-helix | 26-28 | 3 | |
| α-helix | 31-40 | 10 | |
| β-strand | 45-46 | 2 | 3 |
| α-helix | 50-75 | 26 | |
| β-strand | 80-81 | 2 | 2 |
| α-helix | 83-92 | 10 | |
| β-strand | 96-98 | 3 | 4 |
| Element | Residues | Length | Sheet |
|---|---|---|---|
| α-helix | 17-21 | 5 | |
| α-helix | 27-36 | 10 | |
| β-strand | 42-43 | 2 | 5 |
| α-helix | 46-72 | 27 | |
| β-strand | 77-78 | 2 | 6 |
| α-helix | 80-89 | 10 | |
| α-helix | 91-96 | 6 | |
| β-strand | 100-102 | 3 | 7 |
| α-helix | 113-115 | 3 |
| Element | Residues | Length | Sheet |
|---|---|---|---|
| α-helix | 38-48 | 11 | |
| β-strand | 53-54 | 2 | 6 |
| α-helix | 56-83 | 28 | |
| β-strand | 88-89 | 2 | 5 |
| α-helix | 91-101 | 11 | |
| α-helix | 104-122 | 19 |
| Element | Residues | Length | Sheet |
|---|---|---|---|
| α-helix | 25-28 | 4 | |
| α-helix | 31-40 | 10 | |
| β-strand | 45-46 | 2 | 10 |
| α-helix | 50-75 | 26 | |
| β-strand | 80-81 | 2 | 9 |
| α-helix | 83-92 | 10 | |
| β-strand | 96-98 | 3 | 7 |
| Molecule | Chains | Type | Length | Organism | UniProt |
|---|---|---|---|---|---|
| Histone H3.1,Histone H3-like centromeric protein A,Histone H3.1 | A, E | protein | 141 | Homo sapiens | P49450 (AlphaFold model), P68431 (AlphaFold model) |
| Histone H4 | B, F | protein | 106 | Homo sapiens | P62805 (AlphaFold model) |
| Histone H2A type 1-B/E | C, G | protein | 167 | Homo sapiens | P04908 (AlphaFold model) |
| Histone H2B type 1-J | D, H | protein | 129 | Homo sapiens | P06899 |
| DNA (146-mer) | I, J | DNA | 146 | Homo sapiens |
>5Z23_1 Histone H3.1,Histone H3-like centromeric protein A,Histone H3.1 (chains A, E) GSHMARTKQTARKSTGGKAPRKQLATKAARKSAPATGGVKKPHRYRPGTVALREIRRYQK STELLIRKLPFQRLVREICVKFTRGVDFNWQAQALLALQEAAEAFLVHLFEDAYLLTLHA KRVTIMPKDIQLARRIRGERA
>5Z23_2 Histone H4 (chains B, F) GSHMSGRGKGGKGLGKGGAKRHRKVLRDNIQGITKPAIRRLARRGGVKRISGLIYEETRG VLKVFLENVIRDAVTYTEHAKRKTVTAMDVVYALKRQGRTLYGFGG
>5Z23_3 Histone H2A type 1-B/E (chains C, G) GSHMSGRGKQGGKARAKAKTRSSRAGLQFPVGRVHRLLRKGNYSERVGAGAPVYMAAVLE YMTAEILELAGNAARDNKKTRIIPRHLQLAIRNDEEMNKLLGRVTIAQGGVLPNIQAVLL PKKTESHHKAKGKQLAIRNDEEMNKLLGRVTIAQGGVLPNIQAVLLP
>5Z23_4 Histone H2B type 1-J (chains D, H) GSHMPEPAKSAPAPKKGSKKAVTKAQKKDGKKRKRSRKESYSIYVYKVLKQVHPDTGISS KAMGIMNSFVNDIFERIAGEASRLAHYNKRSTITSREIQTAVRLLLPGELAKHAVSEGTK AVTKYTSAK
>5Z23_5 DNA (146-MER) (chains I, J) ATCAATATCCACCTGCAGATTCTACCAAAAGTGTATTTGGAAACTGCTCCATCAAAAGGC ATGTTCAGCTGAATTCAGCTGAACATGCCTTTTGATGGAGCAGTTTCCAAATACACTTTT GGTAGAATCTGCAGGTGGATATTGAT
The CENP-A centromere targeting domain facilitates H4K20 monomethylation in the nucleosome by structural polymorphism. Arimura, Y., Tachiwana, H., Takagi, H. et al. Nat Commun (2019) 10:576-576. DOI 10.1038/s41467-019-08314-x · PubMed
Other PDB entries of the same protein (UniProt P49450 (AlphaFold model), which also has an AlphaFold model), best resolution first:
MolViewer shows 5Z23 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.