Alphey et al., 1998, Biochim. biophys. Acta 1395(2): 159--164

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Alphey et al., 1998, Biochim. biophys. Acta 1395(2): 159--164
FlyBase Identifier FBrf0100526
FlyBase URL http://flybase.org/reports/FBrf0100526.html
Publication Type paper
Publication Year 1998
PubMed ID 9473651
PubMed URL http://www.ncbi.nlm.nih.gov/pubmed/9473651

Title

A Drosophila homologue of oxysterol binding protein (OSBP)--implications for the role of OSBP.

Abstract

The identification of a Drosophila homologue (OSBP-Dm) of mammalian oxysterol binding protein (OSBP) is reported. OSBP-Dm was identified by its ability to overcome the cell cycle arrest induced by over-expression of Wee1p in fission yeast. OSBP-Dm has an overall sequence identity of 52% with mammalian OSBP, and shows a number of highly conserved regions of functional significance. Insects are unable to biosynthesize the steroid core, relying instead on dietary sterols to satisfy their requirements. It is therefore unlikely that OSBP-Dm is involved in feedback inhibition of the mevalonate pathway, as has previously been suggested for its mammalian homologues.

Genes from Reference

Gene(s) Dmel\w
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