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Matches in SemOpenAlex for { <https://semopenalex.org/work/W2004181802> ?p ?o ?g. }

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• W2004181802 abstract "<ns4:p>Mutations in the BRCA2 tumor suppressor protein leave individuals susceptible to breast, ovarian and other cancers. The BRCA2 protein is a critical component of the DNA repair pathways in eukaryotes, and also plays an integral role in fostering genomic variability through meiotic recombination. Although present in many eukaryotes, as a whole the <ns4:italic>BRCA2</ns4:italic> gene is weakly conserved. Conserved fragments of 30 amino acids (BRC repeats), which mediate interactions with the recombinase RAD51, helped detect orthologs of this protein in other organisms. The carboxy-terminal of the human BRCA2 has been shown to be phosphorylated by checkpoint kinases (Chk1/Chk2) at T3387, which regulate the sequestration of RAD51 on DNA damage. However, apart from three BRC repeats, the <ns4:italic>Drosophila melanogaster</ns4:italic> gene has not been annotated and associated with other functionally relevant sequence fragments in human BRCA2. In the current work, the carboxy-terminal phosphorylation threonine site (E=9.1e-4) and a new BRC repeat (E=17e-4) in <ns4:italic>D. melanogaster </ns4:italic>has been identified, using a fragmented alignment methodology (FRAGAL). In a similar study, FRAGAL has also identified a novel half-a- tetratricopeptide (HAT) motif (E=11e-4), a helical repeat motif implicated in various aspects of RNA metabolism, in Utp6 from yeast. The characteristic three aromatic residues with conserved spacing are observed in this new HAT repeat, further strengthening my claim. The reference and target sequences are sliced into overlapping fragments of equal parameterized lengths. All pairs of fragments in the reference and target proteins are aligned, and the gap penalties are adjusted to discourage gaps in the middle of the alignment. The results of the best matches are sorted based on differing criteria to aid the detection of known and putative sequences. The source code for FRAGAL results on these sequences is available at <ns4:ext-link xmlns:ns3=http://www.w3.org/1999/xlink ext-link-type=uri ns3:href=https://github.com/sanchak/FragalCode>https://github.com/sanchak/FragalCode</ns4:ext-link>, while the database can be accessed at <ns4:ext-link xmlns:ns3=http://www.w3.org/1999/xlink ext-link-type=uri ns3:href=http://www.sanchak.com/fragal.html>www.sanchak.com/fragal.htm</ns4:ext-link><ns4:ext-link xmlns:ns3=http://www.w3.org/1999/xlink ext-link-type=uri ns3:href=http://www.sanchak.com/fragal.htm>l</ns4:ext-link>.</ns4:p>" @default.
• W2004181802 created "2016-06-24" @default.
• W2004181802 creator A5037521623 @default.
• W2004181802 date "2013-06-25" @default.
• W2004181802 modified "2023-09-27" @default.
• W2004181802 title "A fragmented alignment method detects a phosphorylation site and a new BRC repeat in the Drosophila melanogaster BRCA2 protein, and a new HAT repeat in Utp6 from yeast" @default.
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• W2004181802 doi "https://doi.org/10.12688/f1000research.2-143.v1" @default.
• W2004181802 hasPubMedCentralId "https://www.ncbi.nlm.nih.gov/pmc/articles/3924952" @default.
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