Formation of ribosome-RNA initiation complexes with alfalfa mosaic virus RNA 4 and RNA 3 | Zendy

L. Pinck | Zendy; A. Franck | Zendy; C. Fritsch | Zendy

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Formation of ribosome-RNA initiation complexes with alfalfa mosaic virus RNA 4 and RNA 3

Author(s) -

L. Pinck,

A. Franck,

C. Fritsch

Publication year - 1979

Publication title -

nucleic acids research

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 9.008

H-Index - 537

eISSN - 1362-4954

pISSN - 0305-1048

DOI - 10.1093/nar/7.1.151

Subject(s) - biology , rna , alfalfa mosaic virus , ribosome , rna dependent rna polymerase , virology , rna editing , non coding rna , translation (biology) , genetics , messenger rna , gene , coat protein

RNA 4 of alfalfa mosaic virus (AMV) is a monocistronic messenger for the coat protein. We have determined the sequence of the 40 +/- 2 nucleotides in RNA 4 that were protected in the initiation complex formed with wheat germ 80 S ribosomes from digestion by T1 or pancreatic ribonucleases. The AUG coat protein initiation codon was near the middle of this protected region. We have found two ribosome-binding sites in RNA 3. The principal one, near the 5' end, is the initiation site for the major translation product, a 35,000 dalton protein. The second site binds ribosomes only weakly, at the beginning of the "silent" coat protein cistron, and is similar but not identical to the initiation site protection site is discussed.

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