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A 'Start Codon' is the codon that allows the beginning of translation and polypeptide synthesis. Start codons are almost always AUG and therefore bound to by a tRNA<sup>Met</sup> molecule, after which the following codons can bind to their complementary tRNA molecules and a peptide is subsequently synthesised. As a result of AUG start codons, all polypeptides start with a Methionine. | A 'Start Codon' is the codon that allows the beginning of translation and [[Protein_synthesis|polypeptide synthesis]]. Start codons are almost always AUG and therefore bound to by a tRNA<sup>Met</sup> molecule, after which the following codons can bind to their complementary [[tRNA|tRNA]] molecules and a peptide is subsequently synthesised. As a result of AUG start codons, all polypeptides start with a [[Methionine|Methionine]]<ref>D L Hartl, M Ruvolo. (2012) GENETICS, 8th edition: Jones and Bartlett Learning.</ref>. | ||
=== Reference === | |||
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Revision as of 03:44, 29 November 2013
A 'Start Codon' is the codon that allows the beginning of translation and polypeptide synthesis. Start codons are almost always AUG and therefore bound to by a tRNAMet molecule, after which the following codons can bind to their complementary tRNA molecules and a peptide is subsequently synthesised. As a result of AUG start codons, all polypeptides start with a Methionine[1].
Reference
- ↑ D L Hartl, M Ruvolo. (2012) GENETICS, 8th edition: Jones and Bartlett Learning.