zeatin biosynthetic process trans-zeatin biosynthetic process biological_process GO:0033466 The chemical reactions and pathways resulting in the formation of trans-zeatin, (2E)-2-methyl-4-(9H-purin-6-ylamino)but-2-en-1-ol. trans-zeatin anabolism trans-zeatin formation MetaCyc:PWY-2681 trans-zeatin biosynthesis trans-zeatin synthesis