Protein
2-oxoglutarate dehydrogenase E1/E2 component
Organism
Corynebacterium glutamicum (strain ATCC 13032 / DSM 20300 / JCM 1318 / LMG 3730 / NCIMB 10025)
Function
Catalyzes the E1 and E2 reactions as part of 2-oxoglutarate dehydrogenase (ODH) activity, to convert 2-oxoglutarate to succinyl-CoA and CO(2). OdhA has reductase activity with 2-oxoglutarate but does not react with pyruvate, and also displays transsuccinylase but no transacetylase activity. Since OdhA is not lipoylated, the succinyltransferase activity of its E2 domain is dependent on lipoyl residues of the acetyltransferase AceF.
Similarity
In the C-terminal section; belongs to the 2-oxoacid dehydrogenase family.
Sequence
MSSASTFGQNAWLVDEMFQQFQKDPKSVDKEWRELFEAQGGPNTTPATTEAQPSAPKESAKPAPKAAPAAKAAPRVETKPADKTAPKAKESSVPQQPKLPEPGQTPIRGIFKSIAKNMDISLEIPTATSVRDMPARLMFENRAMVNDQLKRTRGGKISFTHIIGYAMVKAVMAHPDMNNSYDVIDGKPTLIVPEHINLGLAIDLPQKDGSRALVVAAIKETEKMNFSEFLAAYEDIVARSRKGKLTMDDYQGVTVSLTNPGGIGTRHSVPRLTKGQGTIIGVGSMDYPAEFQGASEDRLAELGVGKLVTITSTYDHRVIQGAVSGEFLRTMSRLLTDDSFWDEIFDAMNVPYTPMRWAQDVPNTGVDKNTRVMQLIEAYRSRGHLIADTNPLSWVQPGMPVPDHRDLDIETHNLTIWDLDRTFNVGGFGGKETMTLREVLSRLRAAYTLKVGSEYTHILDRDERTWLQDRLEAGMPKPTQAEQKYILQKLNAAEAFENFLQTKYVGQKRFSLEGAEALIPLMDSAIDTAAGQGLDEVVIGMPHRGRLNVLFNIVGKPLASIFNEFEGQMEQGQIGGSGDVKYHLGSEGQHLQMFGDGEIKVSLTANPSHLEAVNPVMEGIVRAKQDYLDKGVDGKTVVPLLLHGDAAFAGLGIVPETINLAKLRGYDVGGTIHIVVNNQIGFTTTPDSSRSMHYATDYAKAFGCPVFHVNGDDPEAVVWVGQLATEYRRRFGKDVFIDLVCYRLRGHNEADDPSMTQPKMYELITGRETVRAQYTEDLLGRGDLSNEDAEAVVRDFHDQMESVFNEVKEGGKKQAEAQTGITGSQKLPHGLETNISREELLELGQAFANTPEGFNYHPRVAPVAKKRVSSVTEGGIDWAWGELLAFGSLANSGRLVRLAGEDSRRGTFTQRHAVAIDPATAEEFNPLHELAQSKGNNGKFLVYNSALTEYAGMGFEYGYSVGNEDSIVAWEAQFGDFANGAQTIIDEYVSSGEAKWGQTSKLILLLPHGYEGQGPDHSSARIERFLQLCAEGSMTVAQPSTPANHFHLLRRHALSDLKRPLVIFTPKSMLRNKAAASAPEDFTEVTKFQSVINDPNVADAAKVKKVMLVSGKLYYELAKRKEKDGRDDIAIVRIEMLHPIPFNRISEALAGYPNAEEVLFVQDEPANQGPWPFYQEHLPELIPNMPKMRRVSRRAQSSTATGVAKVHQLEEKQLIDEAFEA