. . . "phosphoribosylaminoimidazolecarboxamide formyltransferase" . . "AICAR transformylase" . . . "Phosphoribosylaminoimidazolecarboxamide formyltransferase" . "2.1.2.3" . . "Phosphoribosylaminoimidazolecarboxamide formyltransferase" . . .