passages.id: split_8_test_1436_passage
passages.type: progene_text
passages.text: Those three epitopes were derived from three different antigens : thymidylate synthase ( ThyA ( 30-38 ) ) , RNA polymerase beta - subunit ( RpoB ( 127-135 ) ) , and a putative phosphate transport system permease protein A-1 ( PstA1 ( 75-83 ) ) .