Crystal structure of the Epstein-Barr Virus protein ZEBRA (BZLF1, Zta) bound to a methylated DNA duplex. Determined by X-ray diffraction at 2.5 Å resolution. Released 1 Dec 2021.
Explore 7NX5 in 3D Show helices and sheets RCSB PDB PDBe
7NX5 contains 10 α-helices and 0 β-strands across 4 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 | 176-221 | 46 | |
| α-helix | 227-230 | 4 | |
| α-helix | 232-234 | 3 |
| Element | Residues | Length | Sheet |
|---|---|---|---|
| α-helix | 178-221 | 44 | |
| α-helix | 232-235 | 4 |
| Element | Residues | Length | Sheet |
|---|---|---|---|
| α-helix | 177-221 | 45 | |
| α-helix | 227-230 | 4 | |
| α-helix | 232-234 | 3 |
| Element | Residues | Length | Sheet |
|---|---|---|---|
| α-helix | 176-221 | 46 | |
| α-helix | 227-230 | 4 |
| Molecule | Chains | Type | Length | Organism | UniProt |
|---|---|---|---|---|---|
| Trans-activator protein BZLF1 | A, B, E, F | protein | 63 | Epstein-Barr virus (strain B95-8) | P03206 (AlphaFold model) |
| meZRE2 DNA (bottom strand) | C, G | DNA | 19 | Human gammaherpesvirus 4 | |
| meZRE2 DNA (top strand) | D, H | DNA | 19 | Human gammaherpesvirus 4 |
>7NX5_1 Trans-activator protein BZLF1 (chains A, B, E, F) MLEIKRYKNRVASRKSRAKFKQLLQHYREVAAAKSSENDRLRLLLKQMCPSLDVDSIIPR TPD
>7NX5_2 meZRE2 DNA (bottom strand) (chains C, G) TACTTCATCGCTCAGTGCT
>7NX5_3 meZRE2 DNA (top strand) (chains D, H) AAGCACTGAGCGATGAAGT
Structural basis of DNA methylation-dependent site selectivity of the Epstein-Barr virus lytic switch protein ZEBRA/Zta/BZLF1. Bernaudat, F., Gustems, M., Gunther, J. et al. Nucleic Acids Res (2022) 50:490-511. DOI 10.1093/nar/gkab1183 · PubMed
Other PDB entries of the same protein (UniProt P03206 (AlphaFold model), which also has an AlphaFold model), best resolution first:
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