<http://webisa.webdatacommons.org/prov/463183120>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/316175146> .
<http://webisa.webdatacommons.org/316175146>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/prov#Entity> .
<http://webisa.webdatacommons.org/316175146>	<http://www.w3.org/ns/prov#wasQuotedFrom>	<google.com> .
<http://webisa.webdatacommons.org/316175146>	<http://www.w3.org/ns/prov#value>	"Many proteins, polypeptides and other compounds are difficult to solubilize in organic solvents unless a counterion is provided to interact with the highly charged proteins." .