<http://webisa.webdatacommons.org/267727661>	<http://www.w3.org/ns/prov#wasQuotedFrom>	<google.com> .
<http://webisa.webdatacommons.org/prov/140705687>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/267727661> .
<http://webisa.webdatacommons.org/267727661>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/prov#Entity> .
<http://webisa.webdatacommons.org/267727661>	<http://www.w3.org/ns/prov#value>	"R3 is a hydroxyl or amino group or any further desired amino acid, preferably Gly or Tyr, or one of the peptide sequences" .