About: http://webisa.webdatacommons.org/61045836

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 alleles A, B and O refer to the variant forms of the proteins (enzymes) that produce the sugar antigens.
http://www.w3.org/ns/prov#wasQuotedFrom	biology-online.org