3 0 0 http://purl.obolibrary.org/obo/GO_0097163 sulfur carrier activity 'sulfur carrier activity' SubClassOf 'substrate-specific transporter activity' 'sulfur carrier activity' SubClassOf 'molecular carrier activity' http://purl.obolibrary.org/obo/GO_0015558 p-aminobenzoyl-glutamate transmembrane transporter activity 'p-aminobenzoyl-glutamate transmembrane transporter activity' SubClassOf 'secondary active transmembrane transporter activity' http://purl.obolibrary.org/obo/GO_0015320 phosphate ion carrier activity 'phosphate ion carrier activity' SubClassOf 'phosphate ion transmembrane transporter activity' 'phosphate ion carrier activity' SubClassOf http://www.w3.org/2002/07/owl#Thing