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. 1989 Jul 7;1008(2):258-62.
doi: 10.1016/0167-4781(80)90019-6.

The primary structure of rat ribosomal protein S4

K R Devi  1 , Y L Chan, I G Wool
Affiliations

The primary structure of rat ribosomal protein S4

K R Devi et al. Biochim Biophys Acta. .

Abstract

The amino acid sequence of the rat 40 S ribosomal subunit protein S4 was deduced from the sequence of nucleotides in a recombinant cDNA and confirmed from the NH2-terminal amino-acid sequence of the protein. Ribosomal protein S4 has 282 amino acids (the NH2-terminal methionine is removed after translation of the mRNA) and has a molecular weight of 31,841. Hybridization of the cDNA to digests of nuclear DNA suggests that there are 7-11 copies of the S4 gene. The mRNA for the protein is about 1 kb in length. Rat S4 is homologous to Saccharomyces cerevisiae YS6. The protein contains a possible internal duplication of 11 residues.

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