Acta Crystallographica Section F 2005-01-01

Crystallographic analysis of murine constitutive androstane receptor ligand-binding domain complexed with 5alpha-androst-16-en-3alpha-ol.

Jeremy Vincent, Li Shan, Ming Fan, Joseph S Brunzelle, Barry M Forman, Elias J Fernandez

Index: Acta Crystallogr. Sect. F Struct. Biol. Cryst. Commun. 61 , 156-9, (2005)

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Abstract

The constitutive androstane receptor (CAR) is a member of the nuclear receptor superfamily. In contrast to classical nuclear receptors, which possess small-molecule ligand-inducible activity, CAR exhibits constitutive transcriptional activity in the apparent absence of ligand. CAR is among the most important transcription factors; it coordinately regulates the expression of microsomal cytochrome P450 genes and other drug-metabolizing enzymes. The murine CAR ligand-binding domain (LBD) was coexpressed with the steroid receptor coactivator protein (SRC-1) receptor-interacting domain (RID) in Escherichia coli. The mCAR LBD subunit was purified away from SRC-1 by affinity, anion-exchange and size-exclusion chromatography, crystallized with androstenol and the structure of the complex determined by molecular replacement.

Related Compounds

  • 5alpha-Androst-16-...

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