A structural basis for the regulation of the LIM-homeodomain protein islet 1 (Isl1) by intra- and intermolecular interactions

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Journal Article
Journal of Biological Chemistry, 2013, 288 (30), pp. 21924 - 21935
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Background: A putative intramolecular interaction in the Islet 1 (Isl1) transcription factor inhibits DNA binding. Results: An intramolecular interaction between the LIM domains and LIM homeobox 3 (Lhx3)-binding domain in Isl1 was characterized. Conclusion: The intramolecular interaction within Isl1 is weak but specific. Significance: This interaction likely prevents unproductive binding in the absence of cofactor proteins. © 2013 by The American Society for Biochemistry and Molecular Biology, Inc.
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