Nanopublications

Matches in Nanopublications for { ?s ?p ?o <http://www.tkuhn.ch/bel2nanopub/RA6-SadAR-r8rYJQJQKpf17tM1BodKLyyzr0ztpk53ndY#provenance>. }

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_7 label "Selventa" provenance.
_7 comment "support@belframework.org" provenance.
small_corpus.bel title "BEL Framework Small Corpus Document" provenance.
small_corpus.bel description "Approximately 2000 hand curated statements drawn from 57 PubMeds." provenance.
small_corpus.bel version "1.6" provenance.
small_corpus.bel authoredBy _7 provenance.
assertion wasDerivedFrom _6 provenance.
assertion wasDerivedFrom small_corpus.bel provenance.
assertion hadPrimarySource 16170185 provenance.
_6 wasQuotedFrom 16170185 provenance.
_6 value "Phosphorylation. Raf is principally activated by phosphorylation of specific amino acid residues as shown for each isoform in Figure 4. From an evolutionary standpoint, the Raf activation sites are highly conserved from yeast to humans. Several amino acids in Raf, particularly serine (S) 259 and S621, which bind 14-3-3 and maintain C-Raf in a closed auto-inhibited conformation, are phosphorylated in the basal state.137 On stimulation, Ras-GTP displaces 14-3-3 from S259, and C-Raf is translocated to the cell membrane, where it can be dephosphorylated at S259 by protein phosphatase 2A or other phosphatases.126 S259 also represents the site of inhibitory phosphorylation by PKB/Akt, PKA, and serum glucocorticoid-inducible kinase.121,138,139 Phosphorylation at S621 seems to have greater significance because mutations at this site inactivate Raf's kinase activity. Hence, a balance of phosphorylation and dephosphorylation is required to prime Raf in the basal state before stimulation by Ras or mitogens.137" provenance.
small_corpus.bel license "Creative Commons Attribution-Non-Commercial-ShareAlike 3.0 Unported License" provenance.