Oct4/Sox2 protein:DNA complex. Determined by X-ray diffraction at 2.5 Å resolution. Released 20 Dec 2023.
Explore 8BX1 in 3D Show helices and sheets RCSB PDB PDBe
8BX1 contains 13 α-helices and 0 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 | -1-8 | 10 | |
| α-helix | 12-22 | 11 | |
| α-helix | 27-38 | 12 | |
| α-helix | 44-51 | 8 | |
| α-helix | 57-74 | 18 | |
| α-helix | 104-114 | 11 | |
| α-helix | 120-130 | 11 | |
| α-helix | 134-147 | 14 |
| Element | Residues | Length | Sheet |
|---|---|---|---|
| α-helix | 2-8 | 7 | |
| α-helix | 9-24 | 16 | |
| α-helix | 30-43 | 14 | |
| α-helix | 46-66 | 21 | |
| α-helix | 74-76 | 3 |
| Molecule | Chains | Type | Length | Organism | UniProt |
|---|---|---|---|---|---|
| Transcription factor SOX-2 | E | protein | 83 | Mus musculus | P48432 (AlphaFold model) |
| HOXB1_r | D | DNA | 22 | Mus musculus | |
| HOXB1_f | C | DNA | 22 | Mus musculus | |
| POU domain, class 5, transcription factor 1 | A | protein | 155 | Mus musculus | P20263 (AlphaFold model) |
>8BX1_1 Transcription factor SOX-2 (chains E) GAMDRVKRPMNAFMVWSRGQRRKMAQENPKMHNSEISKRLGAEWKLLSETEKRPFIDEAK RLRALHMKEHPDYKYRPRRKTKT
>8BX1_2 HOXB1_r (chains D) TAATCATTAGCATGACAAAGAC
>8BX1_3 HOXB1_f (chains C) AGTCTTTGTCATGCTAATGATT
>8BX1_4 POU domain, class 5, transcription factor 1 (chains A) GAMDMKALQKELEQFAKLLKQKRITLGYTQADVGLTLGVLFGKVFSQTTISRFEALQLSL KNMSKLRPLLEKWVEEADNNENLQEISKSETLVQARKRKRTSIENRVRWSLETMFLKSPK PSLQQITHIANQLGLEKDVVRVWFSNRRQKGKRSS
Crystal structure of Oct4-Soc2-HoxB1 complex. Chojnowski, G., Wilmanns, M., Round, E. To be published.
Other PDB entries of the same protein (UniProt P48432 (AlphaFold model), which also has an AlphaFold model), best resolution first:
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