PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Ligands belong to the category of steroids hormones or non-steroid hormones, metals such as Iron, Molybdenum, Zinc, Calcium, Phosphorus, or polypeptides, histones, nonhistones, nucleic acids, polynucleotides, either naturally occuring in the cells or their synthetic analogs.
http://www.w3.org/ns/prov#wasQuotedFrom
  • google.com