Article
Dual regulation of phosphorylation and dephosphorylation of C/EBPbeta modulate its transcriptional activation and DNA binding in response to growth hormone.
The Journal of biological chemistry - 15 Nov 2002
Piwien-Pilipuk Graciela, MacDougald Ormond, Schwartz Jessica
Abstract excerpt
The phosphorylation state of transcription factors is a critical determinant of their function. C/EBPbeta occurs in cells as the transcriptional activator liver-enriched activating protein (LAP) and in the truncated form liver-enriched inhibitory protein (LIP) that inhibits transcription. Analysis of C/EBPbeta phosphorylation by isoelectric focusing (IEF) shows that LAP is present in multiple forms, each with a...
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