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Part of the book series: Current Topics in Microbiology and Immunology ((CT MICROBIOLOGY,volume 49))

Abstract

The term “genetic code” or “amino acid code” customarily refers to the assignments of the 64 different groups of three consecutive nucleotides in messenger RNA (Table 1). Sixty-one of the 64 are each assigned to an amino acid in the biological synthesis of polypeptide chains and the other three to the function of terminating a polypeptide chain by interposing a carboxyl group instead of adding another amino acid. Each such group of three nucleotides is termed a “codon”.

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Abbreviations

DNA:

deoxyribonucleic acid

DNA:

ribonucleic acid

mRNA:

messenger RNA

tRNA:

transfer RNA

A:

adenine

C:

cytosine

G:

guanine

U:

uracil

N:

A, C, G, T or U

R:

A or G

Y:

C, T or U

NDP:

nucleoside diphosphate

A . T:

hydrogen-bonded base pair

I:

inosine

Ala-Gly alanyl-glycine (etc.):

pseudouridine

ppp:

triphosphate

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© 1969 Springer-Verlag Berlin · Heidelberg

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Jukes, T.H. (1969). Recent Problems in the Genetic Code. In: Arber, W., et al. Current Topics in Microbiology and Immunology / Ergebnisse der Mikrobiologie und Immunitätsforschung. Current Topics in Microbiology and Immunology, vol 49. Springer, Berlin, Heidelberg. https://doi.org/10.1007/978-3-642-46166-8_5

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  • DOI: https://doi.org/10.1007/978-3-642-46166-8_5

  • Publisher Name: Springer, Berlin, Heidelberg

  • Print ISBN: 978-3-642-46168-2

  • Online ISBN: 978-3-642-46166-8

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