Reports

A Mammalian Histone Deacetylase Related to the Yeast Transcriptional Regulator Rpd3p

Science  19 Apr 1996:
Vol. 272, Issue 5260, pp. 408-411
DOI: 10.1126/science.272.5260.408

Abstract

Trapoxin is a microbially derived cyclotetrapeptide that inhibits histone deacetylation in vivo and causes mammalian cells to arrest in the cell cycle. A trapoxin affinity matrix was used to isolate two nuclear proteins that copurified with histone deacetylase activity. Both proteins were identified by peptide microsequencing, and a complementary DNA encoding the histone deacetylase catalytic subunit (HD1) was cloned from a human Jurkat T cell library. As the predicted protein is very similar to the yeast transcriptional regulator Rpd3p, these results support a role for histone deacetylase as a key regulator of eukaryotic transcription.

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