Activity of Ribosomes Containing 5S RNA with a Chemically Modified 3′-Terminus
Author(s) -
Stephen R. Fahnestock,
Michio Nomura
Publication year - 1972
Publication title -
proceedings of the national academy of sciences
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 5.011
H-Index - 771
eISSN - 1091-6490
pISSN - 0027-8424
DOI - 10.1073/pnas.69.2.363
Subject(s) - ribosome , rna , chemistry , biochemistry , periodate , protein biosynthesis , ribose , morpholine , stereochemistry , combinatorial chemistry , enzyme , organic chemistry , gene
Ribosomes containing 5S RNA in which the 3'-terminus has been modified chemically, either by periodate oxidation or by conversion of the terminal ribose to a morpholine derivative, are fully as active in peptidebond formation and polypeptide synthesis as those ribosomes with unmodified 5S RNA. These results exclude models for protein synthesis in which peptidyl-5S RNA is formed as an intermediate.
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