ID 1.2.4.4 DE 3-methyl-2-oxobutanoate dehydrogenase (2-methylpropanoyl-transferring). AN 2-oxoisocaproate dehydrogenase. AN 2-oxoisovalerate (lipoate) dehydrogenase. AN 3-methyl-2-oxobutanoate dehydrogenase (lipoamide). AN alpha-keto-alpha-methylvalerate dehydrogenase. AN alpha-ketoisocaproate dehydrogenase. AN alpha-ketoisocaproic-alpha-keto-alpha-methylvaleric dehydrogenase. AN alpha-ketoisocaproic dehydrogenase. AN alpha-ketoisovalerate dehydrogenase. AN alpha-oxoisocaproate dehydrogenase. AN BCKDH. AN BCOAD. AN branched-chain (-2-oxoacid) dehydrogenase (BCD). AN branched-chain 2-keto acid dehydrogenase. AN branched-chain 2-oxo acid dehydrogenase. AN branched-chain alpha-keto acid dehydrogenase. AN branched-chain alpha-oxo acid dehydrogenase. AN branched chain keto acid dehydrogenase. AN branched-chain ketoacid dehydrogenase. AN branched-chain keto acid dehydrogenase. AN dehydrogenase, 2-oxoisovalerate (lipoate). CA 3-methyl-2-oxobutanoate + H(+) + N(6)-[(R)-lipoyl]-L-lysyl- CA [dihydrolipoyllysine-residue (2-methylpropanoyl)transferase] = CO2 + CA N(6)-[(R)-S(8)-2-methylpropanoyldihydrolipoyl]-L-lysyl- CA [dihydrolipoyllysine-residue (2-methylpropanoyl)transferase]. CC -!- It acts not only on 3-methyl-2-oxobutanaoate, but also on 4-methyl-2- CC oxopentanoate and (S)-3-methyl-2-oxopentanoate, so that it acts on CC the 2-oxo acids that derive from the action of transaminases on CC valine, leucine and isoleucine. CC -!- It is a component of the multienzyme 3-methyl-2-oxobutanoate CC dehydrogenase complex in which multiple copies of it are bound to a CC core of molecules of EC 2.3.1.168, which also binds multiple copies CC of EC 1.8.1.4. CC -!- It does not act on free lipoamide or lipoyllysine, but only on the CC lipoyllysine residue in EC 2.3.1.168. CC -!- Formerly EC 1.2.4.3. DR P9WIS2, BKDA_MYCTO ; P9WIS3, BKDA_MYCTU ; P9WIS0, BKDB_MYCTO ; DR P9WIS1, BKDB_MYCTU ; Q9LPL5, ODBA1_ARATH; Q84JL2, ODBA2_ARATH; DR P37940, ODBA_BACSU ; P11178, ODBA_BOVIN ; O45924, ODBA_CAEEL ; DR Q54M22, ODBA_DICDI ; P12694, ODBA_HUMAN ; Q8HXY4, ODBA_MACFA ; DR P50136, ODBA_MOUSE ; A5A6H9, ODBA_PANTR ; Q9I1M2, ODBA_PSEAE ; DR P09060, ODBA_PSEPU ; P11960, ODBA_RAT ; Q72GU1, ODBA_THET2 ; DR Q5SLR4, ODBA_THET8 ; Q9SAV3, ODBB1_ARATH; Q9LDY2, ODBB2_ARATH; DR P37941, ODBB_BACSU ; P21839, ODBB_BOVIN ; P9WF02, ODBB_CHATD ; DR Q55FN7, ODBB_DICDI ; P21953, ODBB_HUMAN ; Q6P3A8, ODBB_MOUSE ; DR Q9I1M1, ODBB_PSEAE ; P09061, ODBB_PSEPU ; P35738, ODBB_RAT ; DR Q72GU2, ODBB_THET2 ; Q5SLR3, ODBB_THET8 ; //