Crystal structure of measles virus hemagglutinin provides insight into effective vaccines

Takao Hashiguchi, Mizuho Kajikawa, Nobuo Maita, Makoto Takeda, Kimiko Kuroki, Kaori Tabata, Daisuke Kohda, Yusuke Yanagi, Katsumi Maenaka

Research output: Contribution to journalArticle

161 Citations (Scopus)

Abstract

Measles still remains a major cause of childhood morbidity and mortality worldwide. Measles virus (MV) vaccines are highly successful, but the mechanism underlying their efficacy has been unclear. Here we report the crystal structure of the MV attachment protein, hemagglutinin, responsible for MV entry. The receptor-binding head domain exhibits a cubic-shaped β-propeller structure and forms a homodimer. N-linked sugars appear to mask the broad regions and cause the two molecules forming the dimer to tilt oppositely toward the horizontal plane. Accordingly, residues of the putative receptor-binding site, highly conserved among MV strains, are strategically positioned in the unshielded area of the protein. These conserved residues also serve as epitopes for neutralizing antibodies, ensuring the serological monotype, a basis for effective MV vaccines. Our findings suggest that sugar moieties in the MV hemagglutinin critically modulate virus-receptor interaction as well as antiviral antibody responses, differently from sugars of the HIV gp120, which allow for immune evasion.

Original languageEnglish
Pages (from-to)19535-19540
Number of pages6
JournalProceedings of the National Academy of Sciences of the United States of America
Volume104
Issue number49
DOIs
Publication statusPublished - Dec 4 2007

Fingerprint

Measles virus
Hemagglutinins
Vaccines
Measles Vaccine
HIV Envelope Protein gp120
Virus Receptors
Immune Evasion
Virus Attachment
Virus Internalization
Measles
Masks
Neutralizing Antibodies
Antibody Formation
Antiviral Agents
Epitopes
Proteins
Binding Sites
Head
Morbidity
Mortality

All Science Journal Classification (ASJC) codes

  • Genetics
  • General

Cite this

Crystal structure of measles virus hemagglutinin provides insight into effective vaccines. / Hashiguchi, Takao; Kajikawa, Mizuho; Maita, Nobuo; Takeda, Makoto; Kuroki, Kimiko; Tabata, Kaori; Kohda, Daisuke; Yanagi, Yusuke; Maenaka, Katsumi.

In: Proceedings of the National Academy of Sciences of the United States of America, Vol. 104, No. 49, 04.12.2007, p. 19535-19540.

Research output: Contribution to journalArticle

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