About: http://webisa.webdatacommons.org/38970463

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	They are further restricted due to the inherent property of polymer chains to adopt secondary structures such as helices and sheets (31).
http://www.w3.org/ns/prov#wasQuotedFrom	nih.gov