THE 2-MINUTE RULE FOR POS88 SLOT

to check the influence of various constraints on mutational tolerance throughout choice, we selected E. coli dihydrofolate reductase (DHFR) for a model procedure. DHFR is A necessary enzyme within just folate metabolism that minimizes dihydrofolate to tetrahydrofolate which is essential for thymidine production. employing this activity as the basis