| http://purl.uniprot.org/citations/16920629 | http://www.w3.org/1999/02/22-rdf-syntax-ns#type | http://purl.uniprot.org/core/Journal_Citation |
| http://purl.uniprot.org/citations/16920629 | http://www.w3.org/2000/01/rdf-schema#comment | "Biogenesis of Fe-S clusters is an essential process [1]. In both Escherichia coli and Saccharomyces cerevisiae, insertion of clusters into an apoprotein requires interaction between a scaffold protein on which clusters are assembled and a molecular chaperone system--an unusually specialized mitochondrial Hsp70 (mtHsp70) and its J protein cochaperone [2]. It is generally assumed that mitochondria inherited their Fe-S cluster assembly machinery from prokaryotes via the endosymbiosis of a bacterium that led to formation of mitochondria. Indeed, phylogenetic analyses demonstrated that the S. cerevisiae J protein, Jac1, and the scaffold, Isu, are orthologous to their bacterial counterparts [3, 4]. However, our analyses indicate that the specialized mtHsp70, Ssq1, is only present in a subset of fungi; most eukaryotes have a single mtHsp70, Ssc1. We propose that an Hsp70 having a role limited to Fe-S cluster biogenesis arose twice during evolution. In the fungal lineage, the gene encoding multifunctional mtHsp70, Ssc1, was duplicated, giving rise to specialized Ssq1. Therefore, Ssq1 is not orthologous to the specialized Hsp70 from E. coli (HscA), but shares a striking level of convergence at the biochemical level. Thus, in the vast majority of eukaryotes, Jac1 and Isu function with the single, multifunctional mtHsp70 in Fe-S cluster biogenesis."xsd:string |
| http://purl.uniprot.org/citations/16920629 | http://purl.org/dc/terms/identifier | "doi:10.1016/j.cub.2006.06.069"xsd:string |
| http://purl.uniprot.org/citations/16920629 | http://purl.uniprot.org/core/author | "Williams B."xsd:string |
| http://purl.uniprot.org/citations/16920629 | http://purl.uniprot.org/core/author | "Craig E.A."xsd:string |
| http://purl.uniprot.org/citations/16920629 | http://purl.uniprot.org/core/author | "Marszalek J."xsd:string |
| http://purl.uniprot.org/citations/16920629 | http://purl.uniprot.org/core/author | "D'Silva P."xsd:string |
| http://purl.uniprot.org/citations/16920629 | http://purl.uniprot.org/core/author | "Knieszner H."xsd:string |
| http://purl.uniprot.org/citations/16920629 | http://purl.uniprot.org/core/author | "Schilke B."xsd:string |
| http://purl.uniprot.org/citations/16920629 | http://purl.uniprot.org/core/author | "Pukszta S."xsd:string |
| http://purl.uniprot.org/citations/16920629 | http://purl.uniprot.org/core/date | "2006"xsd:gYear |
| http://purl.uniprot.org/citations/16920629 | http://purl.uniprot.org/core/name | "Curr Biol"xsd:string |
| http://purl.uniprot.org/citations/16920629 | http://purl.uniprot.org/core/pages | "1660-1665"xsd:string |
| http://purl.uniprot.org/citations/16920629 | http://purl.uniprot.org/core/title | "Evolution of mitochondrial chaperones utilized in Fe-S cluster biogenesis."xsd:string |
| http://purl.uniprot.org/citations/16920629 | http://purl.uniprot.org/core/volume | "16"xsd:string |
| http://purl.uniprot.org/citations/16920629 | http://www.w3.org/2004/02/skos/core#exactMatch | http://purl.uniprot.org/pubmed/16920629 |
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