About: http://webisa.webdatacommons.org/356822888

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	Heme contains iron and is a component of hemoglobin, the protein that carries oxygen in the blood.
http://www.w3.org/ns/prov#wasQuotedFrom	nih.gov