Title : Mutational analysis of Raf-1 cysteine rich domain: requirement for a cluster of basic aminoacids for interaction with phosphatidylserine.

Pub. Date : 1999 Aug

PMID : 10497893






4 Functional Relationships(s)
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1 Mutational analysis of Raf-1 cysteine rich domain: requirement for a cluster of basic aminoacids for interaction with phosphatidylserine. Phosphatidylserines Raf-1 proto-oncogene, serine/threonine kinase Homo sapiens
2 In the present study, we have investigated the consequences of progressive deletions and point mutations within the cysteine-rich domain of Raf-1 on its ability to bind PS. Phosphatidylserines Raf-1 proto-oncogene, serine/threonine kinase Homo sapiens
3 A reduced interaction with PS was observed in vitro for all deletion mutants of Raf-1 expressed either as full-length proteins or as fragments containing the isolated cysteine-rich domain. Phosphatidylserines Raf-1 proto-oncogene, serine/threonine kinase Homo sapiens
4 Expression of Raf-1 in vivo, containing point mutations in the cysteine-rich domain resulted in a truncated polypeptide that lacked both the Ras and PS binding sites and could no longer translocate to the plasma membrane upon serum stimulation. Phosphatidylserines Raf-1 proto-oncogene, serine/threonine kinase Homo sapiens