Article
Cyclophilin A and FKBP12 Interact with YY1 and Alter Its Transcriptional Activity
1 Jun 1995
Abstract excerpt
YY1 is a zinc finger transcription factor with unusual structural and functional features. In a yeast two-hybrid screen, two cellular proteins, cyclophilin A (CyPA) and FK506-binding protein 12 (FKBP12), interacted with YY1. These interactions are specific and also occur in mammalian cells. Cyclosporin A and FK506 efficiently disrupt the YY1-CyPA and YY1-FKBP12 interactions. Overexpression of human CyPA and...
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