About: http://webisa.webdatacommons.org/118071776

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	The coupling reactions can also be effected by methods which are commonly employed to covalently bond porphyrins or other photosensitizers to proteins and other biological macromolecules.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com