The nucleotide sequence of the maize controlling element Activator

Cell. 1984 Jun;37(2):635-43. doi: 10.1016/0092-8674(84)90395-7.


We have determined the nucleotide sequence of the transposable maize controlling element Activator (Ac). The Ac element is 4563 bp long and has an imperfect terminal repetition of 11 bp. The element contains two open reading frames (ORF) encoding polypeptides of 839 and 210 amino acids. Evidence derived from structural analysis of a closely related, but transposition-defective Dissociation (Ds) element indicates that the large ORF is the structural gene for a trans-acting function required for transposition. The two ORFs diverge from a short intergenic region which contains characteristic eucaryotic transcription initiation sequences.

Publication types

  • Research Support, U.S. Gov't, Non-P.H.S.
  • Research Support, U.S. Gov't, P.H.S.

MeSH terms

  • Amino Acid Sequence
  • Base Sequence
  • Cloning, Molecular
  • DNA Restriction Enzymes
  • DNA Transposable Elements*
  • Genes*
  • Genetic Vectors
  • Nucleotidyltransferases / genetics
  • Plants / genetics*
  • Transcription, Genetic
  • Transposases
  • Zea mays / genetics


  • DNA Transposable Elements
  • Nucleotidyltransferases
  • Transposases
  • DNA Restriction Enzymes

Associated data

  • GENBANK/K01964
  • GENBANK/K01965