poly A tail

poly A tail
polyadenylate tail a sequence of about 200 adenylate residues that is added to the 3′ end of many primary mRNA transcripts during post-transcriptional processing in eukaryotes. Its function seems to be protection of the RNA from enzymatic degradation.

Medical dictionary. 2011.

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  • poly(A)-tail — poly(A) tail. См. хвост поли (А). (Источник: «Англо русский толковый словарь генетических терминов». Арефьев В.А., Лисовенко Л.А., Москва: Изд во ВНИРО, 1995 г.) …   Молекулярная биология и генетика. Толковый словарь.

  • poly-A tail — Polyadenylic acid sequence of varying length found at the 3 end of most eukaryotic mRNAs. Histone mRNAs do not have poly A tail. The poly A tail is added post transcriptionally to the primary transcript as part of the nuclear processing of RNA… …   Dictionary of molecular biology

  • poly-(A) tail — See: polyadenylation …   Glossary of Biotechnology

  • Poly(A)-binding protein — is a RNA binding protein which binds to the poly(A) tail of mRNA. The poly(A) tail is located on the 3 end of mRNA. The nuclear isoforms selectively binds to around 50 nucleotides and stimulates the activity of Polyadenylate polymerase.The… …   Wikipedia

  • poly-(A) polymerase — Enzyme that catalyses the addition of adenine residues to the 3 end of mRNA molecules, forming the characteristic poly (A) tail …   Glossary of Biotechnology

  • Queue poly (A) — Polyadénylation La polyadénylation consiste en l addition d une queue poly (A), une succession de nombreux ribonucléotides de type Adénosine (A) à l extrémité 3 des ARNm[1]. Chez les eucaryotes, cette étape s effectue dans le noyau, lors de sa… …   Wikipédia en Français

  • метод poly(T)-poly(A) — коннекторный метод Метод соединения вектора и клонируемой последовательности ДНК, заключается в присоединении с использованием терминальной трансферазы к 3 концам плазмиды полиаденильного хвоста poly(A) tail, а к 3 концам встраиваемого фрагмента… …   Справочник технического переводчика

  • Grass poly — Grass Grass, n. [OE. gras, gres, gers, AS, gr[ae]s, g[ae]rs; akin to OFries. gres, gers, OS., D., G., Icel., & Goth. gras, Dan. gr[ae]s, Sw. gr[aum]s, and prob. to E. green, grow. Cf. {Graze}.] 1. Popularly: Herbage; the plants which constitute… …   The Collaborative International Dictionary of English

  • PABPC1 — Poly(A) binding protein, cytoplasmic 1 PDB rendering based on 1cvj …   Wikipedia

  • PARN — Poly(A) specific ribonuclease (deadenylation nuclease) PDB rendering based on 1whv …   Wikipedia

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