Human MHF1-MHF2 complex. Determined by X-ray diffraction at 1.8 Å resolution. Released 25 Dec 2013.
Explore 4NE3 in 3D Show helices and sheets RCSB PDB PDBe
4NE3 contains 7 α-helices and 4 β-strands across 2 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 | 15-38 | 24 | |
| β-strand | 42 | 1 | 1 |
| α-helix | 44-71 | 28 | |
| β-strand | 76-77 | 2 | 2 |
| α-helix | 79-85 | 7 | |
| α-helix | 90-103 | 14 |
| Element | Residues | Length | Sheet |
|---|---|---|---|
| α-helix | 12-20 | 9 | |
| β-strand | 29-30 | 2 | 2 |
| α-helix | 32-59 | 28 | |
| β-strand | 65 | 1 | 1 |
| α-helix | 67-80 | 14 |
| Molecule | Chains | Type | Length | Organism | UniProt |
|---|---|---|---|---|---|
| Centromere protein S | A | protein | 93 | Homo sapiens | Q8N2Z9 (AlphaFold model) |
| Centromere protein X | B | protein | 74 | Homo sapiens | A8MT69 (AlphaFold model) |
>4NE3_1 Centromere protein S (chains A) SYQQRLKAAVHYTVGCLCEEVALDKAMQFSKQTIAAISELTFRQCENFAKDLEMFARHAK RTTINTEDVKLLARRSNSLLKYITDKSEEIAQA
>4NE3_2 Centromere protein X (chains B) SGFRKELVSRLLHLHFKDDKTKVSGDALQLMVELLKVFVVEAAVRGVRQAQAEDALRVDV DQLEKVLPQLLLDF
The MHF complex senses branched DNA by binding a pair of crossover DNA duplexes. Zhao, Q., Saro, D., Sachpatzidis, A. et al. Nat Commun (2014) 5:2987-2987. DOI 10.1038/ncomms3987 · PubMed
Other PDB entries of the same protein (UniProt Q8N2Z9 (AlphaFold model), which also has an AlphaFold model), best resolution first:
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