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Biochem Biophys Res Commun. 1998 Nov 18;252(2):529-33.

cDNA cloning and characterization of a constitutively expressed isoform of the human peroxin Pex11p.

Author information

1
Department of Biology, Faculty of Science, Kyushu University, Fukuoka, 812-8581, Japan.

Abstract

We cloned a human cDNA encoding an isoform of the peroxin Pex11p, termed Pex11pbeta, by screening of human liver cDNA library using as a probe human EST-derived, approximately 300 bp-long nucleotides showing homology to PEX11 from Candida boidinii and Saccharomyces cerevisiae. PEX11beta encoded a protein comprising 259 amino acids, with two putative transmembrane segments, showing approximately 40% identity to inducible Pex11palpha, at the amino acid sequence level. Pex11pbeta was found to be a peroxisomal protein, as assessed by colocalization with acyl-CoA oxidase, an enzyme catalyzing the first step of peroxisomal beta-oxidation system, in Pex11pbeta-expressing Chinese hamster ovary cells. PEX11beta was not induced in rats by treatment of clofibrate, a peroxisome proliferator, in contrast to PEX11alpha.

PMID:
9826565
DOI:
10.1006/bbrc.1998.9684
[Indexed for MEDLINE]

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