1B3T: Ebna-1 nuclear protein/dna complex

Ebna-1 nuclear protein/dna complex. Determined by X-ray diffraction at 2.2 Å resolution. Released 15 Dec 1998.

Method
X-ray diffraction
Resolution
2.2 Å
Organism
Human herpesvirus 4
Chains
4
Atoms
3,164
Mol. weight
43.05 kDa
Released
15 Dec 1998

Explore 1B3T in 3D Show helices and sheets RCSB PDB PDBe

Secondary structure: helices and β-sheets

1B3T contains 14 α-helices and 10 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.

Chain A: 8 helices, 5 β-strands

ElementResiduesLengthSheet
α-helix476-48914
β-strand503-51191
α-helix514-52714
β-strand532-53321
α-helix534-5363
β-strand537-54041
α-helix543-5442
α-helix549-5524
β-strand556-566111
α-helix569-58416
α-helix5871
α-helix590-5923
β-strand593-604121
Chain B: 6 helices, 5 β-strands
ElementResiduesLengthSheet
α-helix476-49116
β-strand503-51191
α-helix514-52714
β-strand532-53321
β-strand537-54041
α-helix543-5442
β-strand556-566111
α-helix569-58315
α-helix5871
α-helix590-5923
β-strand593-604121

Molecules and chains

MoleculeChainsTypeLengthOrganismUniProt
DNA (5'-d(*gp*gp*gp*ap*ap*gp*cp*ap*tp*ap*tp*gp*cp*tp*tp*cp*cp*c)-3')C, DDNA18
Protein (nuclear protein EBNA1)A, Bprotein147Human herpesvirus 4P03211 (AlphaFold model)
Sequence of entity 1 (C, D), FASTA
>1B3T_1 DNA (5'-D(*GP*GP*GP*AP*AP*GP*CP*AP*TP*AP*TP*GP*CP*TP*TP*CP*CP*C)-3') (chains C, D)
GGGAAGCATATGCTTCCC
Sequence of entity 2 (A, B), FASTA
>1B3T_2 PROTEIN (NUCLEAR PROTEIN EBNA1) (chains A, B)
KGGWFGKHRGQGGSNPKFENIAEGLRALLARSHVERTTDEGTWVAGVFVYGGSKTSLYNL
RRGTALAIPQCRLTPLSRLPFGMAPGPGPQPGPLRESIVCYFMVFLQTHIFAEVLKDAIK
DLVMTKPAPTCNIRVTVCSFDDGVDLP

Primary citation

The 2.2 A structure of a permanganate-sensitive DNA site bound by the Epstein-Barr virus origin binding protein, EBNA1. Bochkarev, A., Bochkareva, E., Frappier, L. et al. J Mol Biol (1998) 284:1273-1278. DOI 10.1006/jmbi.1998.2247 · PubMed

Other PDB entries of the same protein (UniProt P03211 (AlphaFold model), which also has an AlphaFold model), best resolution first:

Browse structure collections

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