Crystal structure of CTCF ZFs4-8-Hs5-1a complex. Determined by X-ray diffraction at 2.0 Å resolution. Released 29 Nov 2017.
Explore 5YEG in 3D Show helices and sheets RCSB PDB PDBe
5YEG contains 12 α-helices and 20 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 | 351-352 | 2 | 1 |
| β-strand | 359-360 | 2 | 1 |
| α-helix | 363-374 | 12 | |
| β-strand | 379-380 | 2 | 2 |
| β-strand | 387-388 | 2 | 2 |
| α-helix | 391-402 | 12 | |
| β-strand | 407-408 | 2 | 3 |
| β-strand | 415-416 | 2 | 3 |
| α-helix | 419-429 | 11 | |
| α-helix | 434-436 | 3 | |
| β-strand | 437-438 | 2 | 4 |
| β-strand | 445-446 | 2 | 4 |
| α-helix | 449-459 | 11 | |
| β-strand | 467-468 | 2 | 5 |
| β-strand | 475-476 | 2 | 5 |
| α-helix | 479-486 | 8 |
| Element | Residues | Length | Sheet |
|---|---|---|---|
| β-strand | 351-352 | 2 | 6 |
| β-strand | 359-360 | 2 | 6 |
| α-helix | 363-374 | 12 | |
| β-strand | 379-380 | 2 | 7 |
| β-strand | 387-388 | 2 | 7 |
| α-helix | 391-402 | 12 | |
| β-strand | 407-408 | 2 | 8 |
| β-strand | 415-416 | 2 | 8 |
| α-helix | 419-429 | 11 | |
| α-helix | 434-436 | 3 | |
| β-strand | 437-438 | 2 | 9 |
| β-strand | 445-446 | 2 | 9 |
| α-helix | 449-459 | 11 | |
| β-strand | 467-468 | 2 | 10 |
| β-strand | 475-476 | 2 | 10 |
| α-helix | 479-487 | 9 |
| Molecule | Chains | Type | Length | Organism | UniProt |
|---|---|---|---|---|---|
| Transcriptional repressor CTCF | A | protein | 142 | Homo sapiens | P49711 (AlphaFold model) |
| Transcriptional repressor CTCF | B | protein | 141 | Homo sapiens | P49711 (AlphaFold model) |
| DNA (5'-d(*tp*cp*gp*cp*cp*cp*tp*cp*tp*gp*cp*tp*gp*gp*tp*tp*ap*ap*ap*g)-3') | D, E | DNA | 21 | synthetic construct | |
| DNA (5'-d(*ap*cp*tp*tp*tp*ap*ap*cp*cp*ap*gp*cp*ap*gp*ap*gp*gp*gp*cp*g)-3') | C, F | DNA | 20 | synthetic construct |
>5YEG_1 Transcriptional repressor CTCF (chains A) KPFKCSMCDYASVEVSKLKRHIRSHTGERPFQCSLCSYASRDTYKLKRHMRTHSGEKPYE CYICHARFTQSGTMKMHILQKHTENVAKFHCPHCDTVIARKSDLGVHLRKQHSYIEQGKK CRYCDAVFHERYALIQHQKSHK
>5YEG_2 Transcriptional repressor CTCF (chains B) KPFKCSMCDYASVEVSKLKRHIRSHTGERPFQCSLCSYASRDTYKLKRHMRTHSGEKPYE CYICHARFTQSGTMKMHILQKHTENVAKFHCPHCDTVIARKSDLGVHLRKQHSYIEQGKK CRYCDAVFHERYALIQHQKSH
>5YEG_3 DNA (5'-D(*TP*CP*GP*CP*CP*CP*TP*CP*TP*GP*CP*TP*GP*GP*TP*TP*AP*AP*AP*G)-3') (chains D, E) TCGCCCTCTGCTGGTTAAAGT
>5YEG_4 DNA (5'-D(*AP*CP*TP*TP*TP*AP*AP*CP*CP*AP*GP*CP*AP*GP*AP*GP*GP*GP*CP*G)-3') (chains C, F) ACTTTAACCAGCAGAGGGCG
| ID | Name | Formula | Copies |
|---|---|---|---|
| ZN | Zinc ion | Zn | 10 |
Molecular mechanism of directional CTCF recognition of a diverse range of genomic sites. Yin, M., Wang, J., Wang, M. et al. Cell Res (2017) 27:1365-1377. DOI 10.1038/cr.2017.131 · 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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