Cited by 357Enzyme Structure and FunctionAdvanced Electron Microscopy Techniques and ApplicationsViral Infections and Immunology Research

The Atomic Structure of Mengo Virus at 3.0 Å Resolution

Luo, Ming, Vriend, Gerrit, Kamer, Greg, Minor, Iwona, Arnold, Edward, Rossmann, Michael G., Boege, Ulrike, Scraba, Douglas G. +2 more·1987·Science

Abstract

The structure of Mengo virus, a representative member of the cardio picornaviruses, is substantially different from the structures of rhino- and polioviruses. The structure of Mengo virus was solved with the use of human rhinovirus 14 as an 8 Å resolution structural approximation. Phase information was then extended to 3 Å resolution by use of the icosahedral symmetry. This procedure gives promise that many other virus structures also can be determined without the use of the isomorphous replacement technique. Although the organization of the major capsid proteins VP1, VP2, and VP3 of Mengo virus is essentially the same as in rhino- and polioviruses, large insertions and deletions, mostly in VP1, radically alter the surface features. In particular, the putative receptor binding "canyon" of human rhinovirus 14 becomes a deep "pit" in Mengo virus because of polypeptide insertions in VP1 that fill part of the canyon. The minor capsid peptide, VP4, is completely internal in Mengo virus, but its association with the other capsid proteins is substantially different from that in rhino- or poliovirus. However, its carboxyl terminus is located at a position similar to that in human rhinovirus 14 and poliovirus, suggesting the same autocatalytic cleavage of VP0 to VP4 and VP2 takes place during assembly in all these picornaviruses.

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Crossref · 10.1126/science.3026048

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  • Thirteen neutralization escape mutations mapped to four main antigenic sites that are surface-exposed on the capsid: the VP2 "puff" region, the VP3 "knob" region, a VP1 loop between β-strands B and C (BC loop), and two loops in close proximity to the BC loop denoted VP1 loops I and II.

    “Thirteen neutralization escape mutations (shown as green triangles in Fig 8B) mapped to four main antigenic sites that are surface-exposed on the capsid: (i) VP2 “puff” region, (ii) VP3 “knob” region, (iii) a VP1 loop located between β-strands B and C (termed BC loop), and (iv) two loops that are in close proximity to the BC loop denoted VP1 loops I and II [3,68] (Fig 8C).”

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Authors
Luo, M., Vriend, G., Kamer, G., Minor, I., Arnold, E., Rossmann, M. G., Boege, U., Scraba, D. G., Duke, G. M., & Palmenberg, A. C.
Affiliations
  • Purdue University West Lafayette (US)
  • Department of Biological Sciences, Purdue University, West Lafayette, IN 47907.
  • University of Alberta (CA)
  • University of Wisconsin–Madison (US)
Venue
Science
Published
1987-01-09
Volume
235
Issue
4785
Pages
182-191
ISSN
  • 0036-8075 (ISSN-L)
  • 1095-9203
OpenAlex
W2002075344
Cited by
357
References
55
Citations by year
2026: 1 · 2025: 2 · 2024: 4 · 2023: 1 · 2022: 3 · 2021: 6 · 2019: 3 · 2018: 5 · 2017: 4 · 2016: 7 · 2015: 7 · 2014: 9 · 2013: 7 · 2012: 4
FWCI
57.35
Type
journal article
Language
en
Open access
closed
Locations
  • Science (publishedVersion)
  • PubMed (publishedVersion)
  • Rutgers University Community Repository (Rutgers University) (submittedVersion)
Topics
  • Physical Sciences › Materials Science › Materials Chemistry › Enzyme Structure and Function
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Structural Biology › Advanced Electron Microscopy Techniques and Applications
  • Health Sciences › Medicine › Cardiology and Cardiovascular Medicine › Viral Infections and Immunology Research
Keywords
mengovirus, picornavirus, viral capsid structure, VP1, VP2, VP3, VP4, VP0, isomorphous replacement, icosahedral symmetry, viral assembly, autocatalytic cleavage, human rhinovirus 14
MeSH terms
Antigens, Viral, Antiviral Agents, Binding Sites, Capsid, Crystallography, Mengovirus, Protein Conformation, Receptors, Virus, Rhinovirus, Poliovirus, Macromolecular Substances

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