Arginine attenuator peptide
UniProtKB accession: P22702
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Go to UniProtKB: P22702
UniProtKB description: Arginine attenuator peptide (AAP) that has a regulatory role in the production of arginine-specific carbamoyl phosphate synthetase. Encoded by an upstream open reading frame (uORF) within the 5'-leader region of arginine-specific carbamoyl phosphate synthetase small chain (arg-2) mRNA, it attenuates the translation of the downstream arg-2 ORF. In the presence of high concentrations of arginine, ribosomes translating the uORF encoding AAP stall at the termination codon, resulting in reduced translation from the downstream arg-2 initiation codon.
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