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:authoredBy sub:_6 ;
    pav:version "1.4" .
  sub:_4 dce:identifier "Genstruct Top Level Model for Vasoregulation" ;
    dce:title "Genstruct Top Level Model for Vasoregulation" ;
    dce:type "Other" .
  sub:_5 prov:value "The muscle acetylcholine receptor consiststs of 5 subunits of 4 different types: 2 alpha isoforms and 1 each of beta, gamma, and delta subunits.2 This gene encodes an alpha subunit that plays a role in acetlycholine binding/channel gating. The muscarinic cholinergic receptors belong to a larger family of G protein-coupled receptors. The muscarinic cholinergic receptor 3 controls smooth muscle contraction and its stimulation causes secretion of glandular tissue" ;
    prov:wasQuotedFrom sub:_4 .
  sub:_6 rdfs:label "Selventa" .
  sub:assertion prov:hadPrimarySource sub:_4 ;
    prov:wasDerivedFrom beldoc: , sub:_5 .
}