opal codon
The codon UGA, one of the three that causes termination of protein synthesis.

Dictionary of molecular biology. 2004.

Look at other dictionaries:

  • opal suppressor — A gene that codes for an altered tRNA so that its anticodon can recognize the opal codon and thus allows the continuation of protein synthesis. A suppressor of an opal mutation is a tRNA that is charged with the amino acid corresponding to the… …   Dictionary of molecular biology

  • Codon — A set of any three adjacent bases in the DNA or RNA. There are 64 different codons of which 61 specify the incorporation of an amino acid into a polypeptide chain while the remaining three are stop codons that signal the end of a polypeptide. For …   Medical dictionary

  • Codon — Genetische Code Sonne: Die Kodierung der Aminosäuren (außen) durch die Basentripletts auf der mRNA ist von innen (5 ) nach außen (3 ) zu lesen. Der genetische Code ist eine Regel, nach der in Nukleinsäuren befindliche Dreiergruppen… …   Deutsch Wikipedia

  • Opal (disambiguation) — An opal is a gemstone. Opal may also refer to: Contents 1 People 1.1 Fictional characters 2 Places 3 Research facilities …   Wikipedia

  • opal mutation — Mutation that changes any codon to the termination codon UGA …   Dictionary of molecular biology

  • opal stop codon — See: stop codon …   Glossary of Biotechnology

  • opal — noun a) A mineral consisting, like quartz, of silica, but inferior to quartz in hardness and specific gravity, of the chemical formula SiO·nHO. b) , A colloquial name used in molecular biology referring to a particular stop codon sequence, UGA …   Wiktionary

  • amber codon — One of the three termination codons. Its sequence is UAG. See also ochre codon, opal codon …   Dictionary of molecular biology

  • Stop codon — In the genetic code, a stop codon (or termination codon) is a nucleotide triplet within messenger RNA that signals a termination of translation.[1] Proteins are based on polypeptides, which are unique sequences of amino acids. Most codons in… …   Wikipedia

  • Nonsense-Codon — Als Stopcodon, auch Nonsense Codon wird in der Genetik ein Basentriplett (Codon) der Desoxyribonukleinsäure (DNA) beziehungsweise der Ribonukleinsäure (RNA) bezeichnet, für das keine zugehörige tRNA (Transfer RNA) vorliegt und somit den Abbruch… …   Deutsch Wikipedia

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