Branched-chain-amino-acid aminotransferase, mitochondrial

Details

Name
Branched-chain-amino-acid aminotransferase, mitochondrial
Synonyms
  • 2.6.1.42
  • BCAT(m)
  • BCATM
  • BCT2
  • ECA40
  • Placental protein 18
  • PP18
Gene Name
BCAT2
Organism
Humans
Amino acid sequence
>lcl|BSEQ0001438|Branched-chain-amino-acid aminotransferase, mitochondrial
MAAAALGQIWARKLLSVPWLLCGPRRYASSSFKAADLQLEMTQKPHKKPGPGEPLVFGKT
FTDHMLMVEWNDKGWGQPRIQPFQNLTLHPASSSLHYSLQLFEGMKAFKGKDQQVRLFRP
WLNMDRMLRSAMRLCLPSFDKLELLECIRRLIEVDKDWVPDAAGTSLYVRPVLIGNEPSL
GVSQPTRALLFVILCPVGAYFPGGSVTPVSLLADPAFIRAWVGGVGNYKLGGNYGPTVLV
QQEALKRGCEQVLWLYGPDHQLTEVGTMNIFVYWTHEDGVLELVTPPLNGVILPGVVRQS
LLDMAQTWGEFRVVERTITMKQLLRALEEGRVREVFGSGTACQVCPVHRILYKDRNLHIP
TMENGPELILRFQKELKEIQYGIRAHEWMFPV
Number of residues
392
Molecular Weight
44287.445
Theoretical pI
8.82
GO Classification
Functions
branched-chain-amino-acid transaminase activity / L-isoleucine transaminase activity / L-leucine transaminase activity / L-valine transaminase activity
Processes
branched-chain amino acid biosynthetic process / branched-chain amino acid catabolic process / cellular nitrogen compound metabolic process / isoleucine catabolic process / leucine metabolic process / regulation of hormone levels / small molecule metabolic process / valine metabolic process
Components
mitochondrial matrix / mitochondrion
General Function
L-valine transaminase activity
Specific Function
Catalyzes the first reaction in the catabolism of the essential branched chain amino acids leucine, isoleucine, and valine. May also function as a transporter of branched chain alpha-keto acids.
Pfam Domain Function
Transmembrane Regions
Not Available
Cellular Location
Mitochondrion
Gene sequence
>lcl|BSEQ0019000|Branched-chain-amino-acid aminotransferase, mitochondrial (BCAT2)
ATGGCCGCAGCCGCTCTGGGGCAGCTGTTTGAGGGCATGAAGGCGTTCAAAGGCAAAGAC
CAGCAGGTGCGCCTCTTCCGCCCCTGGCTCAACATGGACCGGATGCTGCGCTCAGCCATG
CGCCTGTGCCTGCCGAGTTTCGACAAGCTGGAGTTGCTGGAGTGCATCCGCCGGCTCATC
GAAGTGGACAAGGACTGGGTCCCCGATGCCGCCGGCACCAGCCTCTATGTGCGGCCTGTG
CTCATTGGGAACGAGCCCTCGCTGGGTGTCAGCCAGCCCACGCGCGCGCTCCTGTTCGTC
ATTCTCTGCCCAGTGGGTGCCTACTTCCCTGGAGGCTCCGTGACCCCGGTCTCCCTCCTG
GCCGACCCAGCCTTCATCCGGGCCTGGGTGGGCGGGGTCGGCAACTACAAGTTAGGTGGG
AATTATGGGCCCACCGTGTTAGTGCAACAGGAGGCACTCAAGCGGGGCTGTGAACAGGTC
CTCTGGCTGTATGGGCCCGACCACCAGCTCACCGAGGTGGGAACCATGAACATCTTTGTC
TACTGGACCCACGAAGATGGGGTGCTGGAGCTGGTGACGCCCCCGCTGAATGGTGTTATC
CTGCCTGGAGTGGTCAGACAGAGTCTACTGGACATGGCTCAGACCTGGGGTGAGTTCCGG
GTGGTGGAGCGCACGATCACCATGAAGCAGTTGCTGCGGGCCCTGGAGGAGGGCCGCGTG
CGGGAAGTCTTTGGCTCGGGCACCGCTTGCCAGGTCTGCCCAGTGCACCGAATCCTGTAC
AAAGACAGGAACCTCCACATTCCCACCATGGAAAATGGGCCTGAGCTGATCCTCCGCTTC
CAGAAGGAGCTGAAGGAGATCCAGTACGGAATCAGAGCCCACGAGTGGATGTTCCCGGTG
TGA
Chromosome Location
19
Locus
19q13
External Identifiers
ResourceLink
UniProtKB IDO15382
UniProtKB Entry NameBCAT2_HUMAN
GenBank Protein ID2342862
GenBank Gene IDU68418
GenAtlas IDBCAT2
HGNC IDHGNC:977
General References
  1. Bledsoe RK, Dawson PA, Hutson SM: Cloning of the rat and human mitochondrial branched chain aminotransferases (BCATm). Biochim Biophys Acta. 1997 Apr 25;1339(1):9-13. [Article]
  2. Than NG, Sumegi B, Than GN, Bellyei S, Bohn H: Molecular cloning and characterization of placental tissue protein 18 (PP18a)/human mitochondrial branched-chain aminotransferase (BCATm) and its novel alternatively spliced PP18b variant. Placenta. 2001 Feb-Mar;22(2-3):235-43. [Article]
  3. 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. [Article]
  4. 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. [Article]
  5. Eden A, Simchen G, Benvenisty N: Two yeast homologs of ECA39, a target for c-Myc regulation, code for cytosolic and mitochondrial branched-chain amino acid aminotransferases. J Biol Chem. 1996 Aug 23;271(34):20242-5. [Article]
  6. 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. [Article]
  7. 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. [Article]
  8. 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. [Article]
  9. Yennawar N, Dunbar J, Conway M, Hutson S, Farber G: The structure of human mitochondrial branched-chain aminotransferase. Acta Crystallogr D Biol Crystallogr. 2001 Apr;57(Pt 4):506-15. [Article]
  10. Yennawar NH, Conway ME, Yennawar HP, Farber GK, Hutson SM: Crystal structures of human mitochondrial branched chain aminotransferase reaction intermediates: ketimine and pyridoxamine phosphate forms. Biochemistry. 2002 Oct 1;41(39):11592-601. [Article]
  11. Goto M, Miyahara I, Hirotsu K, Conway M, Yennawar N, Islam MM, Hutson SM: Structural determinants for branched-chain aminotransferase isozyme-specific inhibition by the anticonvulsant drug gabapentin. J Biol Chem. 2005 Nov 4;280(44):37246-56. Epub 2005 Sep 1. [Article]
  12. Yennawar NH, Islam MM, Conway M, Wallin R, Hutson SM: Human mitochondrial branched chain aminotransferase isozyme: structural role of the CXXC center in catalysis. J Biol Chem. 2006 Dec 22;281(51):39660-71. Epub 2006 Oct 18. [Article]

Drug Relations

Drug Relations
DrugBank IDNameDrug groupPharmacological action?ActionsDetails
DB00167Isoleucineinvestigational, nutraceuticalunknownDetails
DB02142Pyridoxamine-5'-PhosphateexperimentalunknownDetails
DB02635N-[O-Phosphono-Pyridoxyl]-IsoleucineexperimentalunknownDetails
DB04074alpha-KetoisovalerateexperimentalunknownDetails
DB00114Pyridoxal phosphateapproved, investigational, nutraceuticalunknowncofactorDetails
DB00142Glutamic acidapproved, nutraceuticalunknownDetails
DB00149Leucineinvestigational, nutraceuticalunknownDetails