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Medical Definition of Ochre suppressor
1. A gene that codes for an altered tRNA so that its anticodon can recognise the ochre codon and thus allows the continuation of protein synthesis. A suppressor of an ochre mutation is a tRNA that is charged with the amino acid corresponding to the original codon or a neutral substitute. Ochre suppressors will also suppress amber codons. This entry appears with permission from the Dictionary of Cell and Molecular Biology (11 Mar 2008)