About: http://webisa.webdatacommons.org/421960364

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	In some cases, especially with reactions in respiration, manganese can be replaced by other divalent cations, such as Mg++ , Zn++and Fe++.
http://www.w3.org/ns/prov#wasQuotedFrom	vt.edu