ID 6.3.2.50 DE tenuazonic acid synthetase. CA acetoacetyl-CoA + ATP + L-isoleucine = AMP + CoA + diphosphate + 2 H(+) + CA tenuazonic acid. CC -!- This fungal enzyme, isolated from Magnaporthe oryzae, is an non- CC ribosomal peptide synthetase (NRPS)-polyketide synthase (PKS) hybrid CC protein that consists of condensation (C), adenylation (A) and CC peptidyl-carrier protein (PCP) domains in the NRPS portion and a CC ketosynthase (KS) domain in the PKS portion. CC -!- ATP is required for activation of isoleucine, which is then condensed CC with acetoacetyl-CoA. CC -!- Cyclization and release from the enzyme are catalyzed by the KS CC domain. DR G4N137, TAS1_PYRO7 ; //