CTCF ZnF2-7 and DNA complex structure. Determined by X-ray diffraction at 3.2 Å resolution. Released 24 May 2017.
Explore 5T0U in 3D Show helices and sheets RCSB PDB PDBe
5T0U contains 15 α-helices and 24 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 |
|---|---|---|---|
| β-strand | 294-295 | 2 | 1 |
| β-strand | 302-303 | 2 | 1 |
| α-helix | 306-316 | 11 | |
| β-strand | 322-323 | 2 | 2 |
| β-strand | 330-331 | 2 | 2 |
| α-helix | 334-344 | 11 | |
| β-strand | 351-352 | 2 | 3 |
| β-strand | 359-360 | 2 | 3 |
| α-helix | 363-374 | 12 | |
| β-strand | 379-380 | 2 | 4 |
| β-strand | 387-388 | 2 | 4 |
| α-helix | 391-397 | 7 | |
| α-helix | 399-402 | 4 | |
| β-strand | 407-408 | 2 | 5 |
| β-strand | 415-416 | 2 | 5 |
| α-helix | 419-430 | 12 | |
| β-strand | 437-438 | 2 | 6 |
| β-strand | 445-446 | 2 | 6 |
| α-helix | 449-458 | 10 |
| Element | Residues | Length | Sheet |
|---|---|---|---|
| β-strand | 295 | 1 | 7 |
| β-strand | 302 | 1 | 7 |
| α-helix | 306-316 | 11 | |
| β-strand | 322-323 | 2 | 8 |
| β-strand | 330-331 | 2 | 8 |
| α-helix | 334-340 | 7 | |
| α-helix | 341-345 | 5 | |
| β-strand | 351-352 | 2 | 9 |
| β-strand | 359-360 | 2 | 9 |
| α-helix | 363-374 | 12 | |
| β-strand | 379-380 | 2 | 10 |
| β-strand | 387-388 | 2 | 10 |
| α-helix | 391-397 | 7 | |
| α-helix | 399-402 | 4 | |
| β-strand | 407-408 | 2 | 11 |
| β-strand | 415-416 | 2 | 11 |
| α-helix | 419-429 | 11 | |
| β-strand | 437-438 | 2 | 12 |
| β-strand | 445-446 | 2 | 12 |
| α-helix | 449-458 | 10 |
| Molecule | Chains | Type | Length | Organism | UniProt |
|---|---|---|---|---|---|
| Transcriptional repressor CTCF | A, D | protein | 177 | Homo sapiens | P49711 (AlphaFold model) |
| DNA (5'-d(*cp*cp*tp*cp*ap*cp*tp*ap*gp*cp*gp*cp*cp*cp*cp*cp*tp*gp*cp*tp*gp*gp*c)-3') | B, E | DNA | 23 | synthetic construct | |
| DNA (5'-d(*gp*cp*cp*ap*gp*cp*ap*gp*gp*gp*gp*gp*cp*gp*cp*tp*ap*gp*tp*gp*ap*gp*g)-3') | C, F | DNA | 23 | synthetic construct |
>5T0U_1 Transcriptional repressor CTCF (chains A, D) PLGSTHKCHLCGRAFRTVTLLRNHLNTHTGTRPHKCPDCDMAFVTSGELVRHRRYKHTHE KPFKCSMCDYASVEVSKLKRHIRSHTGERPFQCSLCSYASRDTYKLKRHMRTHSGEKPYE CYICHARFTQSGTMKMHILQKHTENVAKFHCPHCDTVIARKSDLGVHLRKQHSYIEQ
>5T0U_2 DNA (5'-D(*CP*CP*TP*CP*AP*CP*TP*AP*GP*CP*GP*CP*CP*CP*CP*CP*TP*GP*CP*TP*GP*GP*C)-3') (chains B, E) CCTCACTAGCGCCCCCTGCTGGC
>5T0U_3 DNA (5'-D(*GP*CP*CP*AP*GP*CP*AP*GP*GP*GP*GP*GP*CP*GP*CP*TP*AP*GP*TP*GP*AP*GP*G)-3') (chains C, F) GCCAGCAGGGGGCGCTAGTGAGG
| ID | Name | Formula | Copies |
|---|---|---|---|
| ZN | Zinc ion | Zn | 12 |
Structural Basis for the Versatile and Methylation-Dependent Binding of CTCF to DNA. Hashimoto, H., Wang, D., Horton, J.R. et al. Mol Cell (2017) 66:711-720.e3. DOI 10.1016/j.molcel.2017.05.004 · PubMed
Other PDB entries of the same protein (UniProt P49711 (AlphaFold model), which also has an AlphaFold model), best resolution first:
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