About: http://webisa.webdatacommons.org/217334081

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	Some of the proteins or protein structures which extend through the membrane provide channels which allow ions, such as sodium, potassium and chloride to readily cross, or to be selectively controlled or pumped.
http://www.w3.org/ns/prov#wasQuotedFrom	google.fr