The yeast CLC chloride channel is proteolytically processed by the furin-like protease Kex2p in the first extracellular loop
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The yeast CLC chloride channel is proteolytically processed by the furin-like protease Kex2p in the first extracellular loop. / Wächter, Andrea; Schwappach, Blanche.
in: FEBS LETT, Jahrgang 579, Nr. 5, 14.02.2005, S. 1149-53.Publikationen: SCORING: Beitrag in Fachzeitschrift/Zeitung › SCORING: Zeitschriftenaufsatz › Forschung › Begutachtung
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TY - JOUR
T1 - The yeast CLC chloride channel is proteolytically processed by the furin-like protease Kex2p in the first extracellular loop
AU - Wächter, Andrea
AU - Schwappach, Blanche
PY - 2005/2/14
Y1 - 2005/2/14
N2 - CLC chloride channels are a family of channel proteins mediating chloride transport across the plasma membrane and intracellular membranes. The single yeast CLC protein Gef1p is localized to the Golgi and endosomal system. Investigating epitope-tagged variants of Gef1p, we found that the channel is proteolytically processed in the secretory pathway. Proteolytic cleavage occurs in the first extracellular loop of the protein at residues KR136/137 and is carried out by the Kex2p protease. Fragments mimicking the N- and C-terminal products of the cleavage reaction are non-functional when expressed alone. However, functional channels can assemble when the two fragments are co-expressed.
AB - CLC chloride channels are a family of channel proteins mediating chloride transport across the plasma membrane and intracellular membranes. The single yeast CLC protein Gef1p is localized to the Golgi and endosomal system. Investigating epitope-tagged variants of Gef1p, we found that the channel is proteolytically processed in the secretory pathway. Proteolytic cleavage occurs in the first extracellular loop of the protein at residues KR136/137 and is carried out by the Kex2p protease. Fragments mimicking the N- and C-terminal products of the cleavage reaction are non-functional when expressed alone. However, functional channels can assemble when the two fragments are co-expressed.
KW - Amino Acid Sequence
KW - Cell Membrane/metabolism
KW - Chloride Channels/chemistry
KW - Furin/metabolism
KW - Molecular Sequence Data
KW - Mutation/genetics
KW - Proprotein Convertases/metabolism
KW - Protein Processing, Post-Translational
KW - Saccharomyces cerevisiae/enzymology
KW - Saccharomyces cerevisiae Proteins/chemistry
KW - Sequence Alignment
U2 - 10.1016/j.febslet.2005.01.011
DO - 10.1016/j.febslet.2005.01.011
M3 - SCORING: Journal article
C2 - 15710404
VL - 579
SP - 1149
EP - 1153
JO - FEBS LETT
JF - FEBS LETT
SN - 0014-5793
IS - 5
ER -