Journal article 1281 views
Control of growth factor receptor dynamics by reversible ubiquitination
J. McCullough,
S. Urbé,
P. Row,
I.A. Prior,
R. Welchman,
M.J. Clague,
Paula Row
Biochemical Society Transactions, Volume: 34, Issue: 5, Start page: 754
Swansea University Author: Paula Row
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DOI (Published version): 10.1042/BST0340754
Abstract
Activated tyrosine kinase receptors acquire ubiquitin tags. Ubiquitination governs receptor down-regulation through interaction with components of the endosomal ESCRT (endosomal sorting complexes required for transport) machinery that shepherds receptors into luminal vesicles of multivesicular bodie...
| Published in: | Biochemical Society Transactions |
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| Published: |
2006
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| URI: | https://cronfa.swan.ac.uk/Record/cronfa18385 |
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| Abstract: |
Activated tyrosine kinase receptors acquire ubiquitin tags. Ubiquitination governs receptor down-regulation through interaction with components of the endosomal ESCRT (endosomal sorting complexes required for transport) machinery that shepherds receptors into luminal vesicles of multivesicular bodies en route to the lysosome. We have characterized two de-ubiquitinating enzymes that interact with components of this machinery. AMSH [associated molecule with the SH3 domain (Src homology 3 domain) of STAM (signal transducing adapter molecule)] shows specificity for Lys63- over Lys48-linked ubiquitin and may act to rescue receptors from taking the lysosomal pathway. In contrast, UBPY (ubiquitin-specific processing protease Y) does not discriminate between Lys48 and Lys63-linked chains and is required for lysosomal sorting. |
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| College: |
Faculty of Medicine, Health and Life Sciences |
| Issue: |
5 |
| Start Page: |
754 |