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ZIG-ZAG DNA [1 record]

Record 1 2012-09-11

English

Subject field(s)
  • Genetics
DEF

A double helical structure assumed by double-stranded DNA, in which the phosphate groups form a dinucleotide repeating unit zigzagging up a left-handed helix with a single, deep groove ...

OBS

[It] is particularly likely to occur in stretches of alternating purines and pyrimidines or under dehydrating conditions.

Key term(s)
  • zigzag DNA
  • Z DNA

French

Domaine(s)
  • Génétique
DEF

Duplex d'ADN dans lequel la double hélice est enroulée par la gauche au lieu de la droite.

OBS

L'ADN en zigzag existe dans les chromosomes d'Eucaryotes, mais sa fonction n'est pas encore connue.

OBS

L'ADN adopte une configuration en zigzag quand les purines et les pyrimidines alternent sur le même brin.

OBS

ADN en zigzag; ADNz : termes et définition publiés au Journal officiel de la République française le 22 septembre 2000.

Key term(s)
  • ADN Z

Spanish

Campo(s) temático(s)
  • Genética
DEF

Forma de ADN en la cual la doble hélice está enrollada a la izquierda y no a la derecha.

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