8A8N: EPN-pX

Structure of self-assembling engineered protein nanocage (EPN) fused with hepatitis A pX protein. Determined by electron microscopy at 6.7 Å resolution. Released 10 Aug 2022.

Method
Electron microscopy
Resolution
6.7 Å
Organism
Human immunodeficiency virus type 1 BH10
Chains
1
Atoms
1,522
Mol. weight
32.93 kDa
Released
10 Aug 2022

Explore 8A8N in 3D Show helices and sheets RCSB PDB PDBe

Secondary structure: helices and β-sheets

8A8N contains 12 α-helices and 10 β-strands across 1 chain. 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: 12 helices, 10 β-strands

ElementResiduesLengthSheet
α-helix1-88
β-strand10-1451
α-helix19-3113
β-strand36-4051
α-helix46-538
α-helix54-596
β-strand62-6651
α-helix71-799
β-strand84-8631
α-helix92-10110
β-strand104-10631
β-strand108-10922
α-helix112-1209
β-strand125-12842
α-helix131-1344
α-helix136-1438
β-strand150-15342
β-strand15411
α-helix162-1687
β-strand173-17531
α-helix177-1804
α-helix184-19916

Molecules and chains

MoleculeChainsTypeLengthOrganismUniProt
EPN-pXAprotein302Human immunodeficiency virus type 1 BH10A0A0F7Q1W1, Q9WXS1 (AlphaFold model)
Sequence of entity 1 (A), FASTA
>8A8N_1 EPN-pX (chains A)
MGARASGSKSGSGSDSGSKIEELFKKHKIVAVLRANSVEEAKKKALAVFLGGVHLIEITF
TVPDADTVIKELSFLKEMGAIIGAGTVTSVEQCRKAVESGAEFIVSPHLDEEISQFCKEK
GVFYMPGVMTPTELVKAMKLGHTILKLFPGEVVGPQFVKAMKGPFPNVKFVPTGGVNLDN
VCEWFKAGVLAVGVGSALVKGTPVEVAEKAKAFVEKIRGCTEQKLISEEDLMMSRIAAGD
LESSVDDPRSEEDKRFESHIECRKPYKELRLEVGKQRLKYAQEELSNEVLPPPRKMKGLF
SQ

Primary citation

Nonlytic cellular release of hepatitis A virus requires dual capsid recruitment of the ESCRT-associated Bro1 domain proteins HD-PTP and ALIX. Shirasaki, T., Feng, H., Duyvesteyn, H.M.E. et al. PLoS Pathog (2022) 18:e1010543-e1010543. DOI 10.1371/journal.ppat.1010543 · PubMed

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