Methionine is encoded by AUG at all locations in protein. The initiator AUG is identified by the pre-initiation complex that looks for the first AUG sequence after the promoter region.
Methionine is the essential type of amino acid. Methionine essential for the metabolism and health of many species, including humans. The most important role of methionine is the breakdown of fats by preventing their accumulation in the arteries.
Pre-initiation complex is a collection of several proteins that is formed in the eukaryotic cells. They assemble around the genetic sequence that encodes for a protein. The function of this complex is to recruit RNA polymerase to initiate transcription.
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