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Biochem Biophys Res Commun. 2001 Sep 21;287(2):574-82.

p38: A novel protein that associates with the vesicular stomatitis virus glycoprotein.

Author information

1
Department of Cell Biology, Johns Hopkins University School of Medicine, 725 North Wolfe Street, Baltimore, Maryland 21205, USA.

Abstract

The vesicular stomatitis virus glycoprotein (VSV G) is a model transmembrane glycoprotein that has been extensively used to study the exocytotic pathway. The cytoplasmic domain of VSV G contains information for several intracellular sorting steps including efficient export from the ER, basolateral delivery, and endocytosis. In order to identify proteins that potentially interact with the polypeptide sorting motifs in the VSV G tail, the carboxy-terminal 27 amino acids of VSV G were used as bait in a yeast two-hybrid system. The protein identified most frequently in the screen is a novel protein of 38 kDa, p38. In the present work, the initial molecular and biochemical characterization of p38 is described. Preliminary evidence suggests that p38 may interact transiently with endoplasmic reticulum (ER) membranes, and thus may affect VSV G and other cargo movement at the step of ER to Golgi traffic.

PMID:
11554768
DOI:
10.1006/bbrc.2001.5621
[Indexed for MEDLINE]

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