Somatostatin receptor 5 is palmitoylated by the interacting ZDHHC5 palmitoyltransferase.
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Somatostatin receptor 5 is palmitoylated by the interacting ZDHHC5 palmitoyltransferase. / Kokkola, Tarja; Kruse, Claudia; Roy-Pogodzik, Eva-Maria; Pekkinen, Jenna; Bauch, Carola; Hönck, Hans-Hinrich; Hennemann, Hanjo; Kreienkamp, Hans-Jürgen.
In: FEBS LETT, Vol. 585, No. 17, 17, 2011, p. 2665-2670.Research output: SCORING: Contribution to journal › SCORING: Journal article › Research › peer-review
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TY - JOUR
T1 - Somatostatin receptor 5 is palmitoylated by the interacting ZDHHC5 palmitoyltransferase.
AU - Kokkola, Tarja
AU - Kruse, Claudia
AU - Roy-Pogodzik, Eva-Maria
AU - Pekkinen, Jenna
AU - Bauch, Carola
AU - Hönck, Hans-Hinrich
AU - Hennemann, Hanjo
AU - Kreienkamp, Hans-Jürgen
PY - 2011
Y1 - 2011
N2 - Many G-protein coupled receptors are palmitoylated in their C-terminal, intracellular regions. So far no enzymes responsible for this modification have been described. We identified an interaction of the membrane proximal helix 8 of somatostatin receptor 5 (SSTR5) with the N-terminal region of the putative palmitoyltransferase ZDHHC5 using the Ras recruitment interaction screening system. ZDHHC5 and SSTR5 are colocalized at the plasma membrane and can be efficiently coimmunoprecipitated from transfected cells. Coexpression of ZDHHC5 in HEK293 cells increased palmitoylation of SSTR5 whereas knock-down of endogenous ZDHHC5 by siRNAs decreased it. Our data identify the first palmitoyltransferase for a G-protein coupled receptor.
AB - Many G-protein coupled receptors are palmitoylated in their C-terminal, intracellular regions. So far no enzymes responsible for this modification have been described. We identified an interaction of the membrane proximal helix 8 of somatostatin receptor 5 (SSTR5) with the N-terminal region of the putative palmitoyltransferase ZDHHC5 using the Ras recruitment interaction screening system. ZDHHC5 and SSTR5 are colocalized at the plasma membrane and can be efficiently coimmunoprecipitated from transfected cells. Coexpression of ZDHHC5 in HEK293 cells increased palmitoylation of SSTR5 whereas knock-down of endogenous ZDHHC5 by siRNAs decreased it. Our data identify the first palmitoyltransferase for a G-protein coupled receptor.
KW - Humans
KW - Microscopy, Fluorescence
KW - Immunoprecipitation
KW - HEK293 Cells
KW - RNA, Small Interfering
KW - Cell Membrane/metabolism
KW - Acyltransferases/genetics/metabolism
KW - Lipoylation
KW - Receptors, Somatostatin/genetics/metabolism
KW - Humans
KW - Microscopy, Fluorescence
KW - Immunoprecipitation
KW - HEK293 Cells
KW - RNA, Small Interfering
KW - Cell Membrane/metabolism
KW - Acyltransferases/genetics/metabolism
KW - Lipoylation
KW - Receptors, Somatostatin/genetics/metabolism
M3 - SCORING: Journal article
VL - 585
SP - 2665
EP - 2670
JO - FEBS LETT
JF - FEBS LETT
SN - 0014-5793
IS - 17
M1 - 17
ER -