Title : The C-terminal extension of the small GTPase Ran is essential for defining the GDP-bound form.

Pub. Date : 2002 Apr 26

PMID : 12051861






5 Functional Relationships(s)
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1 The C-terminal extension of the small GTPase Ran is essential for defining the GDP-bound form. Guanosine Diphosphate ran GTP-binding protein Xenopus laevis
2 Here, we show that a deletion mutant of Ran, lacking the entire C-terminal extension, termed Ran Core, can bind to importin beta in its GDP-bound form with high affinity. Guanosine Diphosphate ran GTP-binding protein Xenopus laevis
3 Here, we show that a deletion mutant of Ran, lacking the entire C-terminal extension, termed Ran Core, can bind to importin beta in its GDP-bound form with high affinity. Guanosine Diphosphate ran GTP-binding protein Xenopus laevis
4 Our results demonstrate that the C terminus of Ran is a major determinant of the state of Ran, and that removal of this allows the GDP-bound form to adopt a GTP-like conformation, thereby creating a constitutively active protein. Guanosine Diphosphate ran GTP-binding protein Xenopus laevis
5 Our results demonstrate that the C terminus of Ran is a major determinant of the state of Ran, and that removal of this allows the GDP-bound form to adopt a GTP-like conformation, thereby creating a constitutively active protein. Guanosine Diphosphate ran GTP-binding protein Xenopus laevis