The polypeptides of adenovirus. II. Soluble proteins, cores, top components and the structure of the virion

Jacob V. Maizel, David O. White, Matthew D. Scharff

Research output: Contribution to journalArticle

136 Citations (Scopus)

Abstract

The adenovirion has been shown to have a much more complex structure than was previously assumed. Eight different types of polypeptides have been assigned a place in the particle. Three are present in an outer capsid, three in an inner core, and two others in association with hexons. The hexon capsomere is composed of about three molecules of a single type of peptide of molecular weight (MW) 120,000 which comprises about 50% of the total virion protein. Groups of such capsomeres, released from the virion by 5 M urea, are found to be associated with two minor polypeptides, each of MW 13,000. The penton-base is composed of a single type of peptide of MW 70,000, and the fiber is composed of another peptide of MW 62,000. The internal core released by treatment of the virion with 5 M urea, contains the viral DNA in association with three arginine-rich peptides of MW 44,000, 24,000, and 24,000, comprising some 20% of the total virion protein. The same three peptides are relatively lacking in the "empty" capsids found as the "top components" of cesium chloride gradients of crude virus preparations.

Original languageEnglish (US)
Pages (from-to)126-136
Number of pages11
JournalVirology
Volume36
Issue number1
StatePublished - Sep 1968

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Adenoviridae
Virion
Peptides
Molecular Weight
Proteins
Capsid
Urea
Viral DNA
Arginine
Viruses

ASJC Scopus subject areas

  • Infectious Diseases
  • Virology

Cite this

The polypeptides of adenovirus. II. Soluble proteins, cores, top components and the structure of the virion. / Maizel, Jacob V.; White, David O.; Scharff, Matthew D.

In: Virology, Vol. 36, No. 1, 09.1968, p. 126-136.

Research output: Contribution to journalArticle

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