start codon

noun

Medical Definition of start codon

: a genetic codon in messenger RNA that stimulates the binding of a transfer RNA which starts protein synthesis … the AUG codon for methionine functions as the start codon in the vast majority of mRNAs. — Harvey Lodish et al., Molecular Cell Biology, 6th edition, 2007

called also initiation codon

— compare stop codon

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Dictionary Entries Near start codon

Starling's law of the heart

start codon

starvation

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Cite this Entry

“Start codon.” Merriam-Webster.com Medical Dictionary, Merriam-Webster, https://www.merriam-webster.com/medical/start%20codon. Accessed 27 Sep. 2021.

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