About: http://webisa.webdatacommons.org/22004844

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	Where the substrate is a peptide or protein, preferred attachment sites include the amino and carboxyl termini, and lysine residue amino substituents.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com