sub:provenance { beldoc:dce:description "Approximately 61,000 statements." ; dce:rights "Copyright (c) 2011-2012, Selventa. All rights reserved." ; dce:title "BEL Framework Large Corpus Document" ; pav:authoredBysub:_5 ; pav:version "20131211" . sub:_4prov:value "Classically the insulin receptor substrate-1 (IRS-1) is an essential component of insulin-like growth factor type 1 receptor (IGF-IR) signalling, providing an interface between the receptor and key downstream signalling cascades. Here, however, we show that in tamoxifen-resistant MCF-7 (Tam-R) breast cancer cells, that are highly dependent on epidermal growth factor receptor (EGFR) for growth, IRS-1 can interact with EGFR and be preferentially phosphorylated on tyrosine (Y) 896, a Grb2 binding site. " ; prov:wasQuotedFrompubmed:17902048 . sub:_5rdfs:label "Selventa" . sub:assertionprov:hadPrimarySourcepubmed:17902048 ; prov:wasDerivedFrombeldoc: , sub:_4 . }