About: http://webisa.webdatacommons.org/338387018

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 reactive group is a protein, the mass label may be a length of amino acids forming a peptide attached to either the carboxyl or amino terminus of the protein.
http://www.w3.org/ns/prov#wasQuotedFrom	google.ca