| http://purl.uniprot.org/citations/21447561 | http://www.w3.org/1999/02/22-rdf-syntax-ns#type | http://purl.uniprot.org/core/Journal_Citation |
| http://purl.uniprot.org/citations/21447561 | http://www.w3.org/2000/01/rdf-schema#comment | "Ras proteins control many aspects of eukaryotic cell homeostasis by switching between active (GTP-bound) and inactive (GDP-bound) conformations, a reaction catalyzed by GTPase exchange factors (GEF) and GTPase activating proteins (GAP) regulators, respectively. Here, we show that the complexity, measured as number of genes, of the canonical Ras switch genetic system (including Ras, RasGEF, RasGAP and RapGAP families) from 24 eukaryotic organisms is correlated with their genome size and is inversely correlated to their evolutionary distances from humans. Moreover, different gene subfamilies within the Ras switch have contributed unevenly to the module's expansion and speciation processes during eukaryote evolution. The Ras system remarkably reduced its genetic expansion after the split of the Euteleostomi clade and presently looks practically crystallized in mammals. Supporting evidence points to gene duplication as the predominant mechanism generating functional diversity in the Ras system, stressing the leading role of gene duplication in the Ras family expansion. Domain fusion and alternative splicing are significant sources of functional diversity in the GAP and GEF families but their contribution is limited in the Ras family. An evolutionary model of the Ras system expansion is proposed suggesting an inherent 'decision making' topology with the GEF input signal integrated by a homologous molecular mechanism and bifurcation in GAP signaling propagation."xsd:string |
| http://purl.uniprot.org/citations/21447561 | http://purl.org/dc/terms/identifier | "doi:10.1093/nar/gkr154"xsd:string |
| http://purl.uniprot.org/citations/21447561 | http://purl.uniprot.org/core/author | "Sanchez-Jimenez F."xsd:string |
| http://purl.uniprot.org/citations/21447561 | http://purl.uniprot.org/core/author | "Ranea J.A."xsd:string |
| http://purl.uniprot.org/citations/21447561 | http://purl.uniprot.org/core/author | "Diez D."xsd:string |
| http://purl.uniprot.org/citations/21447561 | http://purl.uniprot.org/core/date | "2011"xsd:gYear |
| http://purl.uniprot.org/citations/21447561 | http://purl.uniprot.org/core/name | "Nucleic Acids Res"xsd:string |
| http://purl.uniprot.org/citations/21447561 | http://purl.uniprot.org/core/pages | "5526-5537"xsd:string |
| http://purl.uniprot.org/citations/21447561 | http://purl.uniprot.org/core/title | "Evolutionary expansion of the Ras switch regulatory module in eukaryotes."xsd:string |
| http://purl.uniprot.org/citations/21447561 | http://purl.uniprot.org/core/volume | "39"xsd:string |
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