Pyruvate dehydrogenase protein X component, mitochondrial

NamePyruvate dehydrogenase protein X component, mitochondrial
Synonyms
  • Dihydrolipoamide dehydrogenase-binding protein of pyruvate dehydrogenase complex
  • E3-binding protein
  • E3BP
  • Lipoyl-containing pyruvate dehydrogenase complex component X
  • PDX1
  • proX
Gene NamePDHX
OrganismHuman
Amino acid sequence
>lcl|BSEQ0008819|Pyruvate dehydrogenase protein X component, mitochondrial
MAASWRLGCDPRLLRYLVGFPGRRSVGLVKGALGWSVSRGANWRWFHSTQWLRGDPIKIL
MPSLSPTMEEGNIVKWLKKEGEAVSAGDALCEIETDKAVVTLDASDDGILAKIVVEEGSK
NIRLGSLIGLIVEEGEDWKHVEIPKDVGPPPPVSKPSEPRPSPEPQISIPVKKEHIPGTL
RFRLSPAARNILEKHSLDASQGTATGPRGIFTKEDALKLVQLKQTGKITESRPTPAPTAT
PTAPSPLQATAGPSYPRPVIPPVSTPGQPNAVGTFTEIPASNIRRVIAKRLTESKSTVPH
AYATADCDLGAVLKVRQDLVKDDIKVSVNDFIIKAAAVTLKQMPDVNVSWDGEGPKQLPF
IDISVAVATDKGLLTPIIKDAAAKGIQEIADSVKALSKKARDGKLLPEEYQGGSFSISNL
GMFGIDEFTAVINPPQACILAVGRFRPVLKLTEDEEGNAKLQQRQLITVTMSSDSRVVDD
ELATRFLKSFKANLENPIRLA
Number of residues501
Molecular Weight54121.76
Theoretical pINot Available
GO Classification
Functions
  • transferase activity, transferring acyl groups
Processes
  • small molecule metabolic process
  • cellular metabolic process
  • pyruvate metabolic process
  • regulation of acetyl-CoA biosynthetic process from pyruvate
  • mitochondrial acetyl-CoA biosynthetic process from pyruvate
Components
  • pyruvate dehydrogenase complex
  • mitochondrial matrix
General FunctionTransferase activity, transferring acyl groups
Specific FunctionRequired for anchoring dihydrolipoamide dehydrogenase (E3) to the dihydrolipoamide transacetylase (E2) core of the pyruvate dehydrogenase complexes of eukaryotes. This specific binding is essential for a functional PDH complex.
Pfam Domain Function
Transmembrane RegionsNot Available
GenBank Protein IDNot Available
UniProtKB IDO00330
UniProtKB Entry NameODPX_HUMAN
Cellular LocationMitochondrion matrix
Gene sequence
>lcl|BSEQ0020820|Pyruvate dehydrogenase protein X component, mitochondrial (PDHX)
ATGCAATCAGGCGGCGCTGAGGGCAGCCCGGGGGCGGGGCGAACGGGGCGGGGGCCGGGG
TCTGGTAAGGCCCCGCCGGCTGAGATATCCAGCGGCGCACCTGACTTCCCGGGAGGTGAT
CCCATTAAGATACTAATGCCATCACTGTCTCCTACAATGGAAGAAGGAAACATTGTGAAA
TGGCTGAAAAAGGAAGGTGAAGCGGTGAGTGCTGGAGATGCATTATGTGAAATTGAGACT
GACAAAGCTGTGGTTACCTTAGATGCAAGTGATGATGGAATCTTGGCCAAAATCGTGGTT
GAAGAAGGAAGTAAAAATATACGGCTAGGTTCACTAATTGGTTTGATAGTAGAAGAAGGA
GAAGATTGGAAACATGTTGAAATTCCCAAAGACGTAGGTCCTCCACCACCAGTTTCAAAA
CCTTCAGAGCCTCGCCCCTCACCAGAACCACAGATTTCCATCCCTGTCAAGAAGGAACAC
ATACCCGGGACACTACGGTTCCGTTTAAGTCCAGCTGCCCGCAATATTCTGGAAAAACAC
TCACTGGATGCTAGCCAGGGCACAGCCACTGGCCCTCGGGGGATATTCACTAAAGAGGAT
GCTCTCAAACTTGTCCAGTTGAAACAAACGGGCAAGATTACCGAGTCCAGACCAACTCCA
GCCCCCACAGCCACTCCCACAGCACCTTCGCCCCTACAGGCCACAGCTGGACCATCTTAT
CCCCGGCCTGTGATCCCACCAGTATCAACTCCTGGACAACCCAATGCAGTGGGCACATTC
ACTGAAATCCCCGCCAGCAATATTCGAAGAGTTATTGCCAAGAGATTAACTGAATCTAAA
AGTACTGTACCTCATGCATATGCTACTGCTGACTGTGACCTTGGAGCTGTTTTAAAAGTT
AGGCAAGATCTGGTCAAAGATGACATTAAAGTATCAGTAAATGATTTTATCATCAAGGCA
GCAGCTGTTACCCTTAAACAAATGCCAGATGTTAATGTAAGCTGGGATGGAGAGGGCCCA
AAGCAACTGCCATTTATTGACATTTCAGTGGCTGTGGCAACAGATAAAGGCTTACTTACT
CCAATCATAAAAGATGCTGCTGCTAAAGGTATCCAGGAAATTGCTGACTCTGTAAAGGCT
CTATCAAAGAAAGCAAGAGATGGAAAATTGTTGCCTGAAGAATACCAAGGAGGATCTTTT
AGTATTTCCAACTTGGGGATGTTTGGCATCGACGAATTTACTGCAGTGATTAACCCTCCT
CAGGCCTGCATTTTGGCGGTTGGGAGGTTCCGACCTGTGCTGAAGCTCACTGAGGATGAA
GAGGGAAATGCCAAACTGCAGCAGCGCCAGCTCATAACAGTCACAATGTCAAGTGACAGT
CGAGTGGTTGATGACGAACTGGCAACCAGGTTTCTTAAAAGTTTTAAAGCAAACCTAGAG
AATCCTATCCGACTTGCCTAG
GenBank Gene IDNot Available
GeneCard IDNot Available
GenAtlas IDNot Available
HGNC IDHGNC:21350
Chromosome Location11
LocusNot Available
References
  1. Harris RA, Bowker-Kinley MM, Wu P, Jeng J, Popov KM: Dihydrolipoamide dehydrogenase-binding protein of the human pyruvate dehydrogenase complex. DNA-derived amino acid sequence, expression, and reconstitution of the pyruvate dehydrogenase complex. J Biol Chem. 1997 Aug 8;272(32):19746-51. 9242632
  2. Aral B, Benelli C, Ait-Ghezala G, Amessou M, Fouque F, Maunoury C, Creau N, Kamoun P, Marsac C: Mutations in PDX1, the human lipoyl-containing component X of the pyruvate dehydrogenase-complex gene on chromosome 11p1, in congenital lactic acidosis. Am J Hum Genet. 1997 Dec;61(6):1318-26. 9399911
  3. Ling M, McEachern G, Seyda A, MacKay N, Scherer SW, Bratinova S, Beatty B, Giovannucci-Uzielli ML, Robinson BH: Detection of a homozygous four base pair deletion in the protein X gene in a case of pyruvate dehydrogenase complex deficiency. Hum Mol Genet. 1998 Mar;7(3):501-5. 9467010
  4. Ota T, Suzuki Y, Nishikawa T, Otsuki T, Sugiyama T, Irie R, Wakamatsu A, Hayashi K, Sato H, Nagai K, Kimura K, Makita H, Sekine M, Obayashi M, Nishi T, Shibahara T, Tanaka T, Ishii S, Yamamoto J, Saito K, Kawai Y, Isono Y, Nakamura Y, Nagahari K, Murakami K, Yasuda T, Iwayanagi T, Wagatsuma M, Shiratori A, Sudo H, Hosoiri T, Kaku Y, Kodaira H, Kondo H, Sugawara M, Takahashi M, Kanda K, Yokoi T, Furuya T, Kikkawa E, Omura Y, Abe K, Kamihara K, Katsuta N, Sato K, Tanikawa M, Yamazaki M, Ninomiya K, Ishibashi T, Yamashita H, Murakawa K, Fujimori K, Tanai H, Kimata M, Watanabe M, Hiraoka S, Chiba Y, Ishida S, Ono Y, Takiguchi S, Watanabe S, Yosida M, Hotuta T, Kusano J, Kanehori K, Takahashi-Fujii A, Hara H, Tanase TO, Nomura Y, Togiya S, Komai F, Hara R, Takeuchi K, Arita M, Imose N, Musashino K, Yuuki H, Oshima A, Sasaki N, Aotsuka S, Yoshikawa Y, Matsunawa H, Ichihara T, Shiohata N, Sano S, Moriya S, Momiyama H, Satoh N, Takami S, Terashima Y, Suzuki O, Nakagawa S, Senoh A, Mizoguchi H, Goto Y, Shimizu F, Wakebe H, Hishigaki H, Watanabe T, Sugiyama A, Takemoto M, Kawakami B, Yamazaki M, Watanabe K, Kumagai A, Itakura S, Fukuzumi Y, Fujimori Y, Komiyama M, Tashiro H, Tanigami A, Fujiwara T, Ono T, Yamada K, Fujii Y, Ozaki K, Hirao M, Ohmori Y, Kawabata A, Hikiji T, Kobatake N, Inagaki H, Ikema Y, Okamoto S, Okitani R, Kawakami T, Noguchi S, Itoh T, Shigeta K, Senba T, Matsumura K, Nakajima Y, Mizuno T, Morinaga M, Sasaki M, Togashi T, Oyama M, Hata H, Watanabe M, Komatsu T, Mizushima-Sugano J, Satoh T, Shirai Y, Takahashi Y, Nakagawa K, Okumura K, Nagase T, Nomura N, Kikuchi H, Masuho Y, Yamashita R, Nakai K, Yada T, Nakamura Y, Ohara O, Isogai T, Sugano S: Complete sequencing and characterization of 21,243 full-length human cDNAs. Nat Genet. 2004 Jan;36(1):40-5. Epub 2003 Dec 21. 14702039
  5. Taylor TD, Noguchi H, Totoki Y, Toyoda A, Kuroki Y, Dewar K, Lloyd C, Itoh T, Takeda T, Kim DW, She X, Barlow KF, Bloom T, Bruford E, Chang JL, Cuomo CA, Eichler E, FitzGerald MG, Jaffe DB, LaButti K, Nicol R, Park HS, Seaman C, Sougnez C, Yang X, Zimmer AR, Zody MC, Birren BW, Nusbaum C, Fujiyama A, Hattori M, Rogers J, Lander ES, Sakaki Y: Human chromosome 11 DNA sequence and analysis including novel gene identification. Nature. 2006 Mar 23;440(7083):497-500. 16554811
  6. Gerhard DS, Wagner L, Feingold EA, Shenmen CM, Grouse LH, Schuler G, Klein SL, Old S, Rasooly R, Good P, Guyer M, Peck AM, Derge JG, Lipman D, Collins FS, Jang W, Sherry S, Feolo M, Misquitta L, Lee E, Rotmistrovsky K, Greenhut SF, Schaefer CF, Buetow K, Bonner TI, Haussler D, Kent J, Kiekhaus M, Furey T, Brent M, Prange C, Schreiber K, Shapiro N, Bhat NK, Hopkins RF, Hsie F, Driscoll T, Soares MB, Casavant TL, Scheetz TE, Brown-stein MJ, Usdin TB, Toshiyuki S, Carninci P, Piao Y, Dudekula DB, Ko MS, Kawakami K, Suzuki Y, Sugano S, Gruber CE, Smith MR, Simmons B, Moore T, Waterman R, Johnson SL, Ruan Y, Wei CL, Mathavan S, Gunaratne PH, Wu J, Garcia AM, Hulyk SW, Fuh E, Yuan Y, Sneed A, Kowis C, Hodgson A, Muzny DM, McPherson J, Gibbs RA, Fahey J, Helton E, Ketteman M, Madan A, Rodrigues S, Sanchez A, Whiting M, Madari A, Young AC, Wetherby KD, Granite SJ, Kwong PN, Brinkley CP, Pearson RL, Bouffard GG, Blakesly RW, Green ED, Dickson MC, Rodriguez AC, Grimwood J, Schmutz J, Myers RM, Butterfield YS, Griffith M, Griffith OL, Krzywinski MI, Liao N, Morin R, Palmquist D, Petrescu AS, Skalska U, Smailus DE, Stott JM, Schnerch A, Schein JE, Jones SJ, Holt RA, Baross A, Marra MA, Clifton S, Makowski KA, Bosak S, Malek J: The status, quality, and expansion of the NIH full-length cDNA project: the Mammalian Gene Collection (MGC). Genome Res. 2004 Oct;14(10B):2121-7. 15489334
  7. Yu W, Andersson B, Worley KC, Muzny DM, Ding Y, Liu W, Ricafrente JY, Wentland MA, Lennon G, Gibbs RA: Large-scale concatenation cDNA sequencing. Genome Res. 1997 Apr;7(4):353-8. 9110174
  8. Hiromasa Y, Fujisawa T, Aso Y, Roche TE: Organization of the cores of the mammalian pyruvate dehydrogenase complex formed by E2 and E2 plus the E3-binding protein and their capacities to bind the E1 and E3 components. J Biol Chem. 2004 Feb 20;279(8):6921-33. Epub 2003 Nov 24. 14638692
  9. Choudhary C, Kumar C, Gnad F, Nielsen ML, Rehman M, Walther TC, Olsen JV, Mann M: Lysine acetylation targets protein complexes and co-regulates major cellular functions. Science. 2009 Aug 14;325(5942):834-40. doi: 10.1126/science.1175371. Epub 2009 Jul 16. 19608861
  10. Burkard TR, Planyavsky M, Kaupe I, Breitwieser FP, Burckstummer T, Bennett KL, Superti-Furga G, Colinge J: Initial characterization of the human central proteome. BMC Syst Biol. 2011 Jan 26;5:17. doi: 10.1186/1752-0509-5-17. 21269460
  11. Mathias RA, Greco TM, Oberstein A, Budayeva HG, Chakrabarti R, Rowland EA, Kang Y, Shenk T, Cristea IM: Sirtuin 4 is a lipoamidase regulating pyruvate dehydrogenase complex activity. Cell. 2014 Dec 18;159(7):1615-25. doi: 10.1016/j.cell.2014.11.046. 25525879
  12. Bian Y, Song C, Cheng K, Dong M, Wang F, Huang J, Sun D, Wang L, Ye M, Zou H: An enzyme assisted RP-RPLC approach for in-depth analysis of human liver phosphoproteome. J Proteomics. 2014 Jan 16;96:253-62. doi: 10.1016/j.jprot.2013.11.014. Epub 2013 Nov 22. 24275569
  13. Vaca Jacome AS, Rabilloud T, Schaeffer-Reiss C, Rompais M, Ayoub D, Lane L, Bairoch A, Van Dorsselaer A, Carapito C: N-terminome analysis of the human mitochondrial proteome. Proteomics. 2015 Jul;15(14):2519-24. doi: 10.1002/pmic.201400617. Epub 2015 Jun 8. 25944712
  14. Ciszak EM, Makal A, Hong YS, Vettaikkorumakankauv AK, Korotchkina LG, Patel MS: How dihydrolipoamide dehydrogenase-binding protein binds dihydrolipoamide dehydrogenase in the human pyruvate dehydrogenase complex. J Biol Chem. 2006 Jan 6;281(1):648-55. Epub 2005 Nov 1. 16263718
  15. Brautigam CA, Wynn RM, Chuang JL, Machius M, Tomchick DR, Chuang DT: Structural insight into interactions between dihydrolipoamide dehydrogenase (E3) and E3 binding protein of human pyruvate dehydrogenase complex. Structure. 2006 Mar;14(3):611-21. Epub 2006 Jan 26. 16442803