7NX5: Epstein-Barr Virus protein ZEBRA

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.

Method
X-ray diffraction
Resolution
2.5 Å
Organisms
Epstein-Barr virus (strain B95-8), Human gammaherpesvirus 4
Chains
8
Atoms
3,158
Mol. weight
53.07 kDa
Released
1 Dec 2021

Explore 7NX5 in 3D Show helices and sheets RCSB PDB PDBe

Secondary structure: helices and β-sheets

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.

Chain A: 3 helices, 0 β-strands

ElementResiduesLengthSheet
α-helix176-22146
α-helix227-2304
α-helix232-2343
Chain B: 2 helices, 0 β-strands
ElementResiduesLengthSheet
α-helix178-22144
α-helix232-2354
Chain E: 3 helices, 0 β-strands
ElementResiduesLengthSheet
α-helix177-22145
α-helix227-2304
α-helix232-2343
Chain F: 2 helices, 0 β-strands
ElementResiduesLengthSheet
α-helix176-22146
α-helix227-2304

Molecules and chains

MoleculeChainsTypeLengthOrganismUniProt
Trans-activator protein BZLF1A, B, E, Fprotein63Epstein-Barr virus (strain B95-8)P03206 (AlphaFold model)
meZRE2 DNA (bottom strand)C, GDNA19Human gammaherpesvirus 4
meZRE2 DNA (top strand)D, HDNA19Human gammaherpesvirus 4
Sequence of entity 1 (A, B, E, F), FASTA
>7NX5_1 Trans-activator protein BZLF1 (chains A, B, E, F)
MLEIKRYKNRVASRKSRAKFKQLLQHYREVAAAKSSENDRLRLLLKQMCPSLDVDSIIPR
TPD
Sequence of entity 2 (C, G), FASTA
>7NX5_2 meZRE2 DNA (bottom strand) (chains C, G)
TACTTCATCGCTCAGTGCT
Sequence of entity 3 (D, H), FASTA
>7NX5_3 meZRE2 DNA (top strand) (chains D, H)
AAGCACTGAGCGATGAAGT

Primary citation

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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