Specific localization of Rabs at intracellular membranes
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Specific localization of Rabs at intracellular membranes. / Blümer, Julia; Wu, Yao-Wen; Goody, Roger S; Itzen, Aymelt.
In: BIOCHEM SOC T, Vol. 40, No. 6, 01.12.2012, p. 1421-5.Research output: SCORING: Contribution to journal › SCORING: Journal article › Research › peer-review
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TY - JOUR
T1 - Specific localization of Rabs at intracellular membranes
AU - Blümer, Julia
AU - Wu, Yao-Wen
AU - Goody, Roger S
AU - Itzen, Aymelt
PY - 2012/12/1
Y1 - 2012/12/1
N2 - Despite over two decades of research, the mechanism of Rab targeting to specific intracellular membranes is still not completely understood. Present evidence suggests that the original hypothesis that the message for targeting resides solely in the hypervariable C-terminus is incorrect, and a second mechanism involving a GDF [GDI (guanine-nucleotide-dissociation inhibitor) displacement factor] to disrupt stable Rab-GDI complexes has only been shown to apply in one case, despite the need for targeting over 60 human Rab proteins. Evidence for the involvement of Rab-effector interactions has only been presented for a few cases or in a very specific context. There is mounting evidence that GEFs (guanine-nucleotide-exchange factors) are essential for membrane targeting, although contributions from additional factors are likely to be of importance, at least in specific cases.
AB - Despite over two decades of research, the mechanism of Rab targeting to specific intracellular membranes is still not completely understood. Present evidence suggests that the original hypothesis that the message for targeting resides solely in the hypervariable C-terminus is incorrect, and a second mechanism involving a GDF [GDI (guanine-nucleotide-dissociation inhibitor) displacement factor] to disrupt stable Rab-GDI complexes has only been shown to apply in one case, despite the need for targeting over 60 human Rab proteins. Evidence for the involvement of Rab-effector interactions has only been presented for a few cases or in a very specific context. There is mounting evidence that GEFs (guanine-nucleotide-exchange factors) are essential for membrane targeting, although contributions from additional factors are likely to be of importance, at least in specific cases.
KW - Guanine Nucleotide Dissociation Inhibitors
KW - Guanine Nucleotide Exchange Factors
KW - Humans
KW - Intracellular Membranes
KW - Models, Biological
KW - Protein Sorting Signals
KW - Protein Transport
KW - rab GTP-Binding Proteins
KW - Journal Article
U2 - 10.1042/BST20120225
DO - 10.1042/BST20120225
M3 - SCORING: Journal article
C2 - 23176492
VL - 40
SP - 1421
EP - 1425
JO - BIOCHEM SOC T
JF - BIOCHEM SOC T
SN - 0300-5127
IS - 6
ER -