
Keywords: فن آوری آنزیم; 2Nal; 3-(2-naphthy)-alanine; AFWK; pheylalanine/tryptophan/lysine triple auxotrophic E. coli; DHB; 2,5-dihydroxybenzoic acid; DHF; dihydrofolate; DHFR; dihydrofolate reductase; Glu; glutamic acid; LB; Lria-Broth; Lys; lysine; MALDI-TOF MS; matrix-assisted