ID 1.14.20.3 DE (5R)-carbapenem-3-carboxylate synthase. CA (3S,5S)-carbapenam-3-caboxylate + 2-oxoglutarate + O2 = (5R)-carbapenem- CA 3-carboxylate + CO2 + H2O + succinate. CC -!- The enzyme is involved in the biosynthesis of the carbapenem beta- CC lactam antibiotic (5R)-carbapen-2-em-3-carboxylate in the bacterium CC Pectobacterium carotovorum. CC -!- It catalyzes a stereoinversion at C(5) and introduces a double bond CC between C-2 and C-3. DR Q9XB59, CARC_PECCC ; //