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Co-operative binding of the glucocorticoid receptor DNA binding domain is one of at least two mechanisms for synergism.
Baniahmad, Claudia; Muller, Marc; Altschmied, Joachim et al.
1991In Journal of Molecular Biology, 222 (2), p. 155-65
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Keywords :
Base Sequence; DNA Mutational Analysis; DNA-Binding Proteins/metabolism; Gene Expression Regulation; Molecular Sequence Data; Plasmids; Receptors, Glucocorticoid/metabolism; Recombinant Proteins; Regulatory Sequences, Nucleic Acid; Structure-Activity Relationship; Transcription, Genetic
Abstract :
[en] Steroid induction of responsive genes functions through the synergistic activity of steroid receptor binding sequences with adjacent binding sites either for other transcription factors or for further steroid receptors. Analysis of the human glucocorticoid receptor revealed that the DNA-binding domain of the receptor is sufficient to mediate co-operative binding to adjacent receptor binding sites. This is a novel feature of the domain in addition to its DNA-binding, trans-activating and trans-repressing properties. Chimaeric proteins containing the N- or C-terminal receptor halves fused to the GAL4 DNA-binding domain do not co-operate in DNA-binding, however they do functionally synergize. Thus, at least two mechanisms contribute to the synergism of the human glucocorticoid receptor bound to two adjacent receptor binding sites.
Disciplines :
Genetics & genetic processes
Author, co-author :
Baniahmad, Claudia
Muller, Marc  ;  Université de Liège - ULiège > Département des sciences de la vie > GIGA-R : Biologie et génétique moléculaire
Altschmied, Joachim
Renkawitz, Rainer
Language :
English
Title :
Co-operative binding of the glucocorticoid receptor DNA binding domain is one of at least two mechanisms for synergism.
Publication date :
1991
Journal title :
Journal of Molecular Biology
ISSN :
0022-2836
eISSN :
1089-8638
Publisher :
Academic Press, London, United Kingdom
Volume :
222
Issue :
2
Pages :
155-65
Peer reviewed :
Peer Reviewed verified by ORBi
Available on ORBi :
since 23 November 2009

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