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Mesenchymal cell migration as exhibited by fibroblasts is distinct from amoeboid cell migration and is characterized by dynamic competition among multiple protrusions, which determines directional persistence and responses to spatial cues. Localization of phosphoinositide 3-kinase (PI3K) signaling is thought to play a broadly important role in cell(More)
The extracellular signal-regulated kinase (ERK) signaling pathway controls cell proliferation and differentiation in metazoans. Two hallmarks of its dynamics are adaptation of ERK phosphorylation, which has been linked to negative feedback, and nucleocytoplasmic shuttling, which allows active ERK to phosphorylate protein substrates in the nucleus and(More)
A new computational approach (PEP) is presented for the structure-based design of linear polymeric ligands consisting of any type of amino acid. Ligands are grown from a seed by iteratively adding amino acids to the growing construct. The search in chemical space is performed by a build-up approach which employs all of the residues of a user-defined(More)
GPRS offers the user can always on connection to Internet and Intranet. Some of the services may require high level of security. This can be financial transaction over the Internet, or exchange of confidential documents from a company’s Intranet to an employee. It is important to have strong focus on the security, so companies and persons that(More)
Farnesyltransferase (FTase) catalyzes the attachment of a 15-carbon isoprenoid moiety, farnesyl, through a thioether linkage to a cysteine near the C-terminus of oncogenic Ras proteins. These transform animal cells to a malignant phenotype when farnesylated. Hence, FTase is an interesting target for the development of antitumor agents. In this work we first(More)
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