About: http://webisa.webdatacommons.org/70438750

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	To check that a string contains something other than A, C, T, or G, search for the offending character, so in your condition, use
http://www.w3.org/ns/prov#wasQuotedFrom	perlmonks.org