1. dihydrolipoamide
2. 6,8-bis-sulfanyloctanamide
3. Dihydrothioctamide
4. 6,8-dimercaptooctanamide
5. 6,8-disulfanyloctanamide
6. 6,8-dimercapto-Octanamide

• Mitochondria

1. Brautigam CA, Chuang JL, Tomchick DR, Machius M, Chuang DT: Crystal structure of human dihydrolipoamide dehydrogenase: NAD+/NADH binding and the structural basis of disease-causing mutations. J Mol Biol. 2005 Jul 15;350(3):543-52. [PubMed ]
2. Kim H: Asparagine-473 residue is important to the efficient function of human dihydrolipoamide dehydrogenase. J Biochem Mol Biol. 2005 Mar 31;38(2):248-52. [PubMed ]
3. McMillan PJ, Stimmler LM, Foth BJ, McFadden GI, Muller S: The human malaria parasite Plasmodium falciparum possesses two distinct dihydrolipoamide dehydrogenases. Mol Microbiol. 2005 Jan;55(1):27-38. [PubMed ]
4. Li XJ, Grunwald D, Mathieu J, Morel F, Stasia MJ: Crucial role of two potential cytosolic regions of Nox2, 191TSSTKTIRRS200 and 484DESQANHFAVHHDEEKD500, on NADPH oxidase activation. J Biol Chem. 2005 Apr 15;280(15):14962-73. Epub 2005 Jan 31. [PubMed ]
5. Deres P, Halmosi R, Toth A, Kovacs K, Palfi A, Habon T, Czopf L, Kalai T, Hideg K, Sumegi B, Toth K: Prevention of doxorubicin-induced acute cardiotoxicity by an experimental antioxidant compound. J Cardiovasc Pharmacol. 2005 Jan;45(1):36-43. [PubMed ]
6. Wikipedia

1. Dihydrolipoyl dehydrogenase, mitochondrial precursor
2. Lipoamide acyltransferase component of branched-chain alpha-keto acid dehydrogenase complex, mitochondrial precursor
3. Dihydrolipoamide S-acetyltransferase
4. Alpha-KG-E2
5. Putative uncharacterized protein

1. Dihydrolipoamide dehydrogenase
2. Glycine cleavage system L protein

MQSWSRVYCSLAKRGHFNRISHGLQGLSAVPLRTYADQPIDADVTVIGSGPGGYVAAIKA
AQLGFKTVCIEKNETLGGTCLNVGCIPSKALLNNSHYYHMAHGTDFASRGIEMSEVRLNL
DKMMEQKSTAVKALTGGIAHLFKQNKVVHVNGYGKITGKNQVTATKADGGTQVIDTKNIL
IATGSEVTPFPGITIDEDTIVSSTGALSLKKVPEKMVVIGAGVIGVELGSVWQRLGADVT
AVEFLGHVGGVGIDMEISKNFQRILQKQGFKFKLNTKVTGATKKSDGKIDVSIEAASGGK
AEVITCDVLLVCIGRRPFTKNLGLEELGIELDPRGRIPVNTRFQTKIPNIYAIGDVVAGP
MLAHKAEDEGIICVEGMAGGAVHIDYNCVPSVIYTHPEVAWVGKSEEQLKEEGIEYKVGK
FPFAANSRAKTNADTDGMVKILGQKSTDRVLGAHILGPGAGEMVNEAALALEYGASCEDI
ARVCHAHPTLSEAFREANLAASFGKSINF

• Citrate Cycle (map00020 )
• Gluconeogenesis (map00010 )
• Glycine, Serine and Threonine Metabolism (map00260 )
• Pyruvate Metabolism (map00620 )

• protein N6-(dihydrolipoyl)lysine + NAD+ = protein N6-(lipoyl)lysine + NADH + H+

• Pyr_redox (PF00070 )
• Pyr_redox_2 (PF07992 )
• Pyr_redox_dim (PF02852 )

• None

• None

ATGCAGAGCTGGAGTCGTGTGTACTGCTCCTTGGCCAAGAGAGGCCATTTCAATCGAATA
TCTCATGGCCTACAGGGACTTTCTGCAGTGCCTCTGAGAACTTACGCAGATCAGCCGATT
GATGCTGATGTAACAGTTATAGGTTCTGGTCCTGGAGGATATGTTGCTGCTATTAAAGCT
GCCCAGTTAGGCTTCAAGACAGTCTGCATTGAGAAAAATGAAACACTTGGTGGAACATGC
TTGAATGTTGGTTGTATTCCTTCTAAGGCTTTATTGAACAACTCTCATTATTACCATATG
GCCCATGGAACAGATTTTGCATCTAGAGGAATTGAAATGTCCGAAGTTCGCTTGAATTTA
GACAAGATGATGGAGCAGAAGAGTACTGCAGTAAAAGCTTTAACAGGTGGAATTGCCCAC
TTATTCAAACAGAATAAGGTTGTTCATGTCAATGGATATGGAAAGATAACTGGCAAAAAT
CAAGTCACTGCTACGAAAGCTGATGGCGGCACTCAGGTTATTGATACAAAGAACATTCTT
ATAGCCACGGGTTCAGAAGTTACTCCTTTTCCTGGAATCACGATAGATGAAGATACAATA
GTGTCATCTACAGGTGCTTTATCTTTAAAAAAAGTTCCAGAAAAGATGGTTGTTATTGGT
GCAGGAGTAATAGGTGTAGAATTGGGTTCAGTTTGGCAAAGACTTGGTGCAGATGTGACA
GCAGTTGAATTTTTAGGTCATGTAGGTGGAGTTGGAATTGATATGGAGATATCTAAAAAC
TTTCAACGCATCCTTCAAAAACAGGGGTTTAAATTTAAATTGAATACAAAGGTTACTGGT
GCTACCAAGAAGTCAGATGGAAAAATTGATGTTTCTATTGAAGCTGCTTCTGGTGGTAAA
GCTGAAGTTATCACTTGTGATGTACTCTTGGTTTGCATTGGCCGACGACCCTTTACTAAG
AATTTGGGACTAGAAGAGCTGGGAATTGAACTAGATCCTAGAGGTAGAATTCCAGTCAAT
ACCAGATTTCAAACTAAAATTCCAAATATCTATGCCATTGGTGATGTAGTTGCTGGTCCA
ATGCTGGCTCACAAAGCAGAGGATGAAGGCATTATCTGTGTTGAAGGAATGGCTGGTGGT
GCTGTGCACATTGACTACAATTGTGTGCCATCAGTGATTTACACACACCCTGAAGTTGCT
TGGGTTGGCAAATCAGAAGAGCAGTTGAAAGAAGAGGGTATTGAGTACAAAGTTGGGAAA
TTCCCATTTGCTGCTAACAGCAGAGCTAAGACAAATGCTGACACAGATGGCATGGTGAAG
ATCCTTGGGCAGAAATCGACAGACAGAGTACTGGGAGCACATATTCTTGGACCAGGTGCT
GGAGAAATGGTAAATGAAGCTGCTCTTGCTTTGGAATATGGAGCATCCTGTGAAGATATA
GCTAGAGTCTGTCATGCACATCCGACCTTATCAGAAGCTTTTAGAGAAGCAAATCTTGCT
GCGTCATTTGGCAAATCAATCAACTTTTGA

1. Otulakowski G, Robinson BH: Isolation and sequence determination of cDNA clones for porcine and human lipoamide dehydrogenase. Homology to other disulfide oxidoreductases. J Biol Chem. 1987 Dec 25;262(36):17313-8. [PubMed ]
2. Pons G, Raefsky-Estrin C, Carothers DJ, Pepin RA, Javed AA, Jesse BW, Ganapathi MK, Samols D, Patel MS: Cloning and cDNA sequence of the dihydrolipoamide dehydrogenase component human alpha-ketoacid dehydrogenase complexes. Proc Natl Acad Sci U S A. 1988 Mar;85(5):1422-6. [PubMed ]
3. Feigenbaum AS, Robinson BH: The structure of the human dihydrolipoamide dehydrogenase gene (DLD) and its upstream elements. Genomics. 1993 Aug;17(2):376-81. [PubMed ]
4. Scherer SW, Cheung J, MacDonald JR, Osborne LR, Nakabayashi K, Herbrick JA, Carson AR, Parker-Katiraee L, Skaug J, Khaja R, Zhang J, Hudek AK, Li M, Haddad M, Duggan GE, Fernandez BA, Kanematsu E, Gentles S, Christopoulos CC, Choufani S, Kwasnicka D, Zheng XH, Lai Z, Nusskern D, Zhang Q, Gu Z, Lu F, Zeesman S, Nowaczyk MJ, Teshima I, Chitayat D, Shuman C, Weksberg R, Zackai EH, Grebe TA, Cox SR, Kirkpatrick SJ, Rahman N, Friedman JM, Heng HH, Pelicci PG, Lo-Coco F, Belloni E, Shaffer LG, Pober B, Morton CC, Gusella JF, Bruns GA, Korf BR, Quade BJ, Ligon AH, Ferguson H, Higgins AW, Leach NT, Herrick SR, Lemyre E, Farra CG, Kim HG, Summers AM, Gripp KW, Roberts W, Szatmari P, Winsor EJ, Grzeschik KH, Teebi A, Minassian BA, Kere J, Armengol L, Pujana MA, Estivill X, Wilson MD, Koop BF, Tosi S, Moore GE, Boright AP, Zlotorynski E, Kerem B, Kroisel PM, Petek E, Oscier DG, Mould SJ, Dohner H, Dohner K, Rommens JM, Vincent JB, Venter JC, Li PW, Mural RJ, Adams MD, Tsui LC: Human chromosome 7: DNA sequence and biology. Science. 2003 May 2;300(5620):767-72. Epub 2003 Apr 10. [PubMed ]
5. Johanning GL, Morris JI, Madhusudhan KT, Samols D, Patel MS: Characterization of the transcriptional regulatory region of the human dihydrolipoamide dehydrogenase gene. Proc Natl Acad Sci U S A. 1992 Nov 15;89(22):10964-8. [PubMed ]
6. Liu TC, Kim H, Arizmendi C, Kitano A, Patel MS: Identification of two missense mutations in a dihydrolipoamide dehydrogenase-deficient patient. Proc Natl Acad Sci U S A. 1993 Jun 1;90(11):5186-90. [PubMed ]
7. Hong YS, Kerr DS, Craigen WJ, Tan J, Pan Y, Lusk M, Patel MS: Identification of two mutations in a compound heterozygous child with dihydrolipoamide dehydrogenase deficiency. Hum Mol Genet. 1996 Dec;5(12):1925-30. [PubMed ]
8. Shaag A, Saada A, Berger I, Mandel H, Joseph A, Feigenbaum A, Elpeleg ON: Molecular basis of lipoamide dehydrogenase deficiency in Ashkenazi Jews. Am J Med Genet. 1999 Jan 15;82(2):177-82. [PubMed ]

1. Dihydrolipoyllysine-residue
2. 2-methylpropanoyltransferase
3. E2
4. Dihydrolipoamide branched chain transacylase
5. BCKAD E2 subunit

MAAVRMLRTWSRNAGKLICVRYFQTCGNVHVLKPNYVCFFGYPSFKYSHPHHFLKTTAAL
RGQVVQFKLSDIGEGIREVTVKEWYVKEGDTVSQFDSICEVQSDKASVTITSRYDGVIKK
LYYNLDDIAYVGKPLVDIETEALKDSEEDVVETPAVSHDEHTHQEIKGRKTLATPAVRRL
AMENNIKLSEVVGSGKDGRILKEDILNYLEKQTGAILPPSPKVEIMPPPPKPKDMTVPIL
VSKPPVFTGKDKTEPIKGFQKAMVKTMSAALKIPHFGYCDEIDLTELVKLREELKPIAFA
RGIKLSFMPFFLKAASLGLLQFPILNASVDENCQNITYKASHNIGIAMDTEQGLIVPNVK
NVQICSIFDIATELNRLQKLGSVGQLSTTDLTGGTFTLSNIGSIGGTFAKPVIMPPEVAI
GALGSIKAIPRFNQKGEVYKAQIMNVSWSADHRVIDGATMSRFSNLWKSYLENPAFMLLD
LK

• 2-methylpropanoyl-CoA + enzyme N6-(dihydrolipoyl)lysine = CoA + enzyme N6-(S-[2-methylpropanoyl]dihydrolipoyl)lysine

• 2-oxoacid_dh (PF00198 )
• Biotin_lipoyl (PF00364 )
• E3_binding (PF02817 )

• 1-15

1. Lau KS, Chuang JL, Herring WJ, Danner DJ, Cox RP, Chuang DT: The complete cDNA sequence for dihydrolipoyl transacylase (E2) of human branched-chain alpha-keto acid dehydrogenase complex. Biochim Biophys Acta. 1992 Oct 20;1132(3):319-21. [PubMed ]
2. Hummel KB, Litwer S, Bradford AP, Aitken A, Danner DJ, Yeaman SJ: Nucleotide sequence of a cDNA for branched chain acyltransferase with analysis of the deduced protein structure. J Biol Chem. 1988 May 5;263(13):6165-8. [PubMed ]
3. Danner DJ, Litwer S, Herring WJ, Pruckler J: Construction and nucleotide sequence of a cDNA encoding the full-length preprotein for human branched chain acyltransferase. J Biol Chem. 1989 May 5;264(13):7742-6. [PubMed ]
4. Nobukuni Y, Mitsubuchi H, Endo F, Matsuda I: Complete primary structure of the transacylase (E2b) subunit of the human branched chain alpha-keto acid dehydrogenase complex. Biochem Biophys Res Commun. 1989 Jun 30;161(3):1035-41. [PubMed ]
5. Lau KS, Griffin TA, Hu CW, Chuang DT: Conservation of primary structure in the lipoyl-bearing and dihydrolipoyl dehydrogenase binding domains of mammalian branched-chain alpha-keto acid dehydrogenase complex: molecular cloning of human and bovine transacylase (E2) cDNAs. Biochemistry. 1988 Mar 22;27(6):1972-81. [PubMed ]
6. Lau KS, Herring WJ, Chuang JL, McKean M, Danner DJ, Cox RP, Chuang DT: Structure of the gene encoding dihydrolipoyl transacylase (E2) component of human branched chain alpha-keto acid dehydrogenase complex and characterization of an E2 pseudogene. J Biol Chem. 1992 Nov 25;267(33):24090-6. [PubMed ]
7. Wynn RM, Kochi H, Cox RP, Chuang DT: Differential processing of human and rat E1 alpha precursors of the branched-chain alpha-keto acid dehydrogenase complex caused by an N-terminal proline in the rat sequence. Biochim Biophys Acta. 1994 Sep 28;1201(1):125-8. [PubMed ]
8. Chang CF, Chou HT, Chuang JL, Chuang DT, Huang TH: Solution structure and dynamics of the lipoic acid-bearing domain of human mitochondrial branched-chain alpha-keto acid dehydrogenase complex. J Biol Chem. 2002 May 3;277(18):15865-73. Epub 2002 Feb 11. [PubMed ]
9. Fisher CW, Lau KS, Fisher CR, Wynn RM, Cox RP, Chuang DT: A 17-bp insertion and a Phe215----Cys missense mutation in the dihydrolipoyl transacylase (E2) mRNA from a thiamine-responsive maple syrup urine disease patient WG-34. Biochem Biophys Res Commun. 1991 Jan 31;174(2):804-9. [PubMed ]
10. Tsuruta M, Mitsubuchi H, Mardy S, Miura Y, Hayashida Y, Kinugasa A, Ishitsu T, Matsuda I, Indo Y: Molecular basis of intermittent maple syrup urine disease: novel mutations in the E2 gene of the branched-chain alpha-keto acid dehydrogenase complex. J Hum Genet. 1998;43(2):91-100. [PubMed ]

1. E2 component of pyruvate dehydrogenase complex

MWRVCARRAQNVAPWAGLEARWTALQEVPGTPRVTSRSGPAPARRNSVTTGYGGVRALCG
WTPSSGATPRNRLLLQLLGSPGRRYYSLPPHQKVPLPSLSPTMQAGTIARWEKKEGDKIN
EGDLIAEVETDKATVGFESLEECYMAKILVAEGTRDVPIGAIICITVGKPEDIEAFKNYT
LDSSAAPTPQAAPAPTPAATASPPTPSAQAPGSSYPPHMQVLLPALSPTMTMGTVQRWEK
KVGEKLSEGDLLAEIETDKATIGFEVQEEGYLAKILVPEGTRDVPLGTPLCIIVEKEADI
SAFADYRPTEVTDLKPQVPPPTPPPVAAVPPTPQPLAPTPSAPCPATPAGPKGRVFVSPL
AKKLAVEKGIDLTQVKGTGPDGRITKKDIDSFVPSKVAPAPAAVVPPTGPGMAPVPTGVF
TDIPISNIRRVIAQRLMQSKQTIPHYYLSIDVNMGEVLLVRKELNKILEGRSKISVNDFI
IKASALACLKVPEANSSWMDTVIRQNHVVDVSVAVSTPAGLITPIVFNAHIKGVETIAND
VVSLATKAREGKLQPHEFQGGTFTISNLGMFGIKNFSAIINPPQACILAIGASEDKLVPA
DNEKGFDVASMMSVTLSCDHRVVDGAVGAQWLAEFRKYLEKPITMLL

• 2-oxoacid_dh (PF00198 )
• Biotin_lipoyl (PF00364 )
• E3_binding (PF02817 )

• None

• None

1. Strausberg RL, Feingold EA, Grouse LH, Derge JG, Klausner RD, Collins FS, Wagner L, Shenmen CM, Schuler GD, Altschul SF, Zeeberg B, Buetow KH, Schaefer CF, Bhat NK, Hopkins RF, Jordan H, Moore T, Max SI, Wang J, Hsieh F, Diatchenko L, Marusina K, Farmer AA, Rubin GM, Hong L, Stapleton M, Soares MB, Bonaldo MF, Casavant TL, Scheetz TE, Brownstein MJ, Usdin TB, Toshiyuki S, Carninci P, Prange C, Raha SS, Loquellano NA, Peters GJ, Abramson RD, Mullahy SJ, Bosak SA, McEwan PJ, McKernan KJ, Malek JA, Gunaratne PH, Richards S, Worley KC, Hale S, Garcia AM, Gay LJ, Hulyk SW, Villalon DK, Muzny DM, Sodergren EJ, Lu X, Gibbs RA, Fahey J, Helton E, Ketteman M, Madan A, Rodrigues S, Sanchez A, Whiting M, Madan A, Young AC, Shevchenko Y, Bouffard GG, Blakesley RW, Touchman JW, Green ED, Dickson MC, Rodriguez AC, Grimwood J, Schmutz J, Myers RM, Butterfield YS, Krzywinski MI, Skalska U, Smailus DE, Schnerch A, Schein JE, Jones SJ, Marra MA: Generation and initial analysis of more than 15,000 full-length human and mouse cDNA sequences. Proc Natl Acad Sci U S A. 2002 Dec 24;99(26):16899-903. Epub 2002 Dec 11. [PubMed ]

1. Dihydrolipoamide S-succinyltransferase
2. E2 component of 2-oxo-glutarate complex, isoform CRA_a
3. cDNA FLJ75101, highly similar to Homo sapiens dihydrolipoamide S-succinyltransferase
4. E2 component of 2-oxo-glutarate complex
5. DLST, mRNA

MLSRSRCVSRAFSRSLSAFQKGNCPLGRRSLPGVSLCQGPGYPNSRKVVINNSVFSVRFF
RTTAVCKDDLVTVKTPAFAESVTEGDVRWEKAVGDTVAEDEVVCEIETDKTSVQVPSPAN
GVIEALLVPDGGKVEGGTPLFTLRKTGAAPAKAKPAEAPAAAAPKAEPTAAAVPPPAAPI
PTQMPPVPSPSQPPSGKPVSAVKPTVAPPLAEPGAGKGLRSEHREKMNRMRQRIAQRLKE
AQNTCAMLTTFNEIDMSNIQEMRARHKEAFLKKHNLKLGFMSAFVKASAFALQEQPVVNA
VIDDTTKEVVYRDYIDISVAVATPRGLVVPVIRNVEAMNFADIERTITELGEKARKNELA
IEDMDGGTFTISNGGVFGSLFGTPIINPPQSAILGMHGIFDRPVAIGGKVEVRPMMYVAL
TYDHRLIDGREAVTFLRKIKAAVEDPRVLLLDL

• 2-oxoacid_dh (PF00198 )
• Biotin_lipoyl (PF00364 )

• None

• None

MQSWSRVYCSLAKRGHFNRISHGLQGLSAVPLRTYADQPIDADVTVIGSGPGGYVAAIKA
AQLGFKTVCIEKNETLGGTCLNVGCIPSKALLNNSHYYHMAHGKDFASRGIEMSEVRLNL
DKMMEQKSTAVKALTGGIAHLFKQNKVVHVNGYGKITGKNQVTATKADGGTQVIDTKNIL
IATGSEVTPFPGITIDEDTIVSSTGALSLKKVPEKMVVIGAGVIGVELGSVWQRLGADVT
AVEFLGHVGGVGIDMEISKNFQRILQKQGFKFKLNTKVTGATKKSDGKIDVSIEAASGGK
AEVITCDVLLVCIGRRPFTKNLGLEELGIELDPRGRIPVNTRFQTKIPNIYAIGDVVAGP
MLAHKAEDEGIICVEGMAGGAVHIDYNCVPSVIYTHPEVAWVGKSEEQLKEEGIEYKVGK
FPFAANSRAKTNADTDGMVKILGQKSTDRVLGAHILGPGAGEMVNEAALALEYGASCEDI
ARVCHAHPTLSEAFREANLAASFGKSINF

• Pyr_redox (PF00070 )
• Pyr_redox_2 (PF07992 )
• Pyr_redox_dim (PF02852 )

• None

• None