Comparative chemical studies of the polyhedral proteins of the nuclear polyhedrosis viruses of Bombyx mori and Galleria mellonella

Amino and carboxyl terminal groups, amino acid composition, and peptide maps of polyhedral proteins of the nuclear polyhedrosis viruses (NPV) of Bombyx mori and Galleria mellonella were investigated. It is shown that both the proteins have a tyrosine residue as their carboxyl terminal group and no a...

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Published inJournal of invertebrate pathology Vol. 25; no. 1; pp. 103 - 107
Main Authors Kozlov, E.A., Levitina, T.L., Sidorova, N.M., Radavski, Yu.L., Serebryani, S.B.
Format Journal Article
LanguageEnglish
Published Elsevier Inc 1975
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Summary:Amino and carboxyl terminal groups, amino acid composition, and peptide maps of polyhedral proteins of the nuclear polyhedrosis viruses (NPV) of Bombyx mori and Galleria mellonella were investigated. It is shown that both the proteins have a tyrosine residue as their carboxyl terminal group and no amino terminal group. Amino acid compositions of the proteins are similar. The proteins are found to have 242 residues. From the amino acid composition, a molecular weight of 28,000 was calculated. The tryptic peptide maps of both the proteins differed only in a few peptides. It is inferred that the polyhedral proteins of B. mori and G. mellonella NPV have a closely similar primary structure.
ISSN:0022-2011
1096-0805
DOI:10.1016/0022-2011(75)90289-X