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... > Chemical Phenomena > Biochemical Phenomena > Molecular Structure > Molecular Conformation > Protein Conformation > Protein Structural Elements > Amino Acid Motifs > Zinc Fingers
... > Chemical Phenomena > Biochemical Phenomena > Molecular Structure > Molecular Conformation > Protein Conformation > Protein Structure, Secondary > Amino Acid Motifs > Zinc Fingers

Preferred term

Zinc Fingers  

Type

  • Topical Descriptor

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Entry terms

  • Motifs, Zinc Finger
  • Motif, Zinc Finger
  • Zinc Finger Motif
  • Zinc Finger Motifs

Scope note

  • Motifs in DNA- and RNA-binding proteins whose amino acids are folded into a single structural unit around a zinc atom. In the classic zinc finger, one zinc atom is bound to two cysteines and two histidines. In between the cysteines and histidines are 12 residues which form a DNA binding fingertip. By variations in the composition of the sequences in the fingertip and the number and spacing of tandem repeats of the motif, zinc fingers can form a large number of different sequence specific binding sites.

History note

  • 91

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http://www.yso.fi/onto/mesh/D016335

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