Article
Luminal interaction of phogrin with carboxypeptidase E for effective targeting to secretory granules.
Traffic (Copenhagen, Denmark) - 1 Apr 2011
Saito Naoya, Takeuchi Toshiyuki, Kawano Ayumi, Hosaka Masahiro, Hou Ni, Torii Seiji
Abstract excerpt
Phogrin, a receptor tyrosine phosphatase-like protein, is localized to dense-core secretory granules (SGs) in various neuroendocrine cells. A previous report showed that the N-terminal luminal domain mediates targeting of this protein to SGs in AtT-20 cells. Here, we show that the luminal domain specifically interacts with carboxypeptidase E (CPE), one of the key proteins involved in peptide hormone sorting, in a...
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