About: http://webisa.webdatacommons.org/355954630

Property	Value
http://www.w3.org/1999/02/22-rdf-syntax-ns#type	http://www.w3.org/ns/prov#Entity
http://www.w3.org/ns/prov#value	PNAs are commercially available from companies such as PE Biosystems (Foster City, Calif.).
http://www.w3.org/ns/prov#wasQuotedFrom	google.com