Target intelligence / Profile preview

Premature Termination Codon (TAG) (PTC (TAG))

Target
PTC (TAG)
Molecular classification
Genetic Code, RNA sequence, Stop codon
01

Overview

A premature termination codon (PTC), specifically the TAG codon, is a stop codon that appears within the coding sequence of an mRNA earlier than expected, typically due to mutations or aberrant splicing. It signals premature termination of translation, resulting in truncated proteins that are often nonfunctional and can be detrimental. Cells employ mechanisms like NMD to degrade mRNAs containing PTCs.

Other names
UAGPremature Stop CodonNonsense MutationTruncated ProteinTAG codon
02

Mechanism of action

N/A

03

Biological functions

Translation TerminationRegulation of Gene ExpressionNonsense-mediated mRNA decay (NMD)
04

Disease associations

Genetic DisordersCancerInherited Diseases
05

Safety considerations

Production of non-functional or harmful truncated proteins

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