1887

Abstract

SUMMARY

The neuraminidase, the membrane protein, the ribonucleoprotein (nucleocapsid protein) and the light and heavy polypeptide chains of the haemagglutinin subunits were isolated from particles of influenza virus type A (strain ) and type B (strain ). Each of these substances migrated as a single component during electrophoresis on SDS-polyacrylamide gels. The neuraminidase of type A influenza was isolated from the A-A recombinant virus, X-7F. This enzyme contained two polypeptides differing slightly in electrophoretic mobility.

This paper gives the amino acid composition of the individual polypeptides from the type A and type B influenza viruses and the neuraminidase protein from X-7F virus.

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1972-10-01
2022-12-08
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