<http://webisa.webdatacommons.org/prov/371382427>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/235383927> .
<http://webisa.webdatacommons.org/235383927>	<http://www.w3.org/ns/prov#wasQuotedFrom>	<google.com> .
<http://webisa.webdatacommons.org/235383927>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/prov#Entity> .
<http://webisa.webdatacommons.org/235383927>	<http://www.w3.org/ns/prov#value>	"Optionally, the polypeptide must be bound to metal such as transition metal." .