hairpin

hairpin
1. The structure formed by a polynucleic acid by base-pairing between neighboring complementary sequences of a single strand of either DNA or RNA. 2. The structure seen in a prostaglandin where two segments of the molecule fold back on one another.

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hair·pin 'ha(ə)r-.pin, 'he(ə)r- n a region in single-stranded RNA or DNA that is double-stranded due to pairing between purine and pyrimidine bases in adjacent sequences of the RNA or DNA that are complementary and inverted called also hairpin loop

Medical dictionary. 2011.

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  • Hairpin — can mean: * A long device used to hold a person s hair in place: see below * Hairpin bend * A stem loop in biochemistry. A hair pin or hairpin is a long device used to hold a person s hair in place.Hairpins made of metal, ivory, bronze, carved… …   Wikipedia

  • hairpin — (n.) also hair pin, 1788 (two words), from HAIR (Cf. hair) + PIN (Cf. pin) (n.). A hairpin turn, etc., is from 1906. Hairpin (or clothespin) was American English slang for person c.1880 1910, especially in the expression That s the kind of… …   Etymology dictionary

  • hairpin — [her′pin΄] n. a small, usually U shaped, piece of wire, shell, etc., for keeping the hair or a headdress in place adj. formed like a hairpin [a hairpin turn] …   English World dictionary

  • Hairpin — Hair pin ( p[i^]n ), n. A pin, usually forked, or of bent wire, for fastening the hair in place, used by women. [1913 Webster] …   The Collaborative International Dictionary of English

  • hairpin — hairpin. См. шпилька. (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.

  • hairpin — ► NOUN ▪ a U shaped pin for fastening the hair …   English terms dictionary

  • hairpin — (= alpha hairpin; a hairpin; beta hairpin; b hairpin) Protein motif formed by two adjacent regions of a polypeptide chain that lie antiparallel and alongside each other. Depending on whether the polypeptide is in alpha helix or beta strand… …   Dictionary of molecular biology

  • hairpin — I. noun Date: 1771 1. a pin to hold the hair in place; specifically a long U shaped pin 2. something shaped like a hairpin; specifically a sharp U shaped turn in a road II. adjective Date: 1887 having the shape of a hairpin < a hairpin turn >; …   New Collegiate Dictionary

  • hairpin — [[t]he͟ə(r)pɪn[/t]] hairpins 1) N COUNT A hairpin is a small piece of metal or plastic bent back on itself which someone uses to hold their hair in position. Syn: hairgrip 2) N COUNT A hairpin is the same as a hairpin bend …   English dictionary

  • hairpin — UK [ˈheə(r)ˌpɪn] / US [ˈherˌpɪn] noun [countable] Word forms hairpin : singular hairpin plural hairpins 1) a metal object used for holding hair in position, consisting of a thin piece of wire in the shape of a U 2) a hairpin bend …   English dictionary

  • Hairpin — Beispiel für eine RNA Haarnadelstruktur. Intramolekulare Basenpaarungen, die eine Haarnadelstruktur (engl. stem loop) bilden, kommen in einsträngiger DNA und häufiger in RNA vor. Handelt es sich um eine kurze Schleife, werden auch die Begriffe… …   Deutsch Wikipedia

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