ID ODPA_CANFA Reviewed; 13 AA. AC P49823; DT 01-OCT-1996, integrated into UniProtKB/Swiss-Prot. DT 01-OCT-1996, sequence version 1. DT 04-NOV-2008, entry version 43. DE RecName: Full=Pyruvate dehydrogenase E1 component subunit alpha, somatic form; DE EC=1.2.4.1; DE AltName: Full=PDHE1-A type I; DE Flags: Fragment; GN Name=PDHA1; OS Canis familiaris (Dog). OC Eukaryota; Metazoa; Chordata; Craniata; Vertebrata; Euteleostomi; OC Mammalia; Eutheria; Laurasiatheria; Carnivora; Caniformia; Canidae; OC Canis. OX NCBI_TaxID=9615; RN [1] RP PROTEIN SEQUENCE. RC TISSUE=Heart; RX MEDLINE=98163340; PubMed=9504812; DOI=10.1002/elps.1150181514; RA Dunn M.J., Corbett J.M., Wheeler C.H.; RT "HSC-2DPAGE and the two-dimensional gel electrophoresis database of RT dog heart proteins."; RL Electrophoresis 18:2795-2802(1997). CC -!- FUNCTION: The pyruvate dehydrogenase complex catalyzes the overall CC conversion of pyruvate to acetyl-CoA and CO(2). It contains CC multiple copies of three enzymatic components: pyruvate CC dehydrogenase (E1), dihydrolipoamide acetyltransferase (E2) and CC lipoamide dehydrogenase (E3). CC -!- CATALYTIC ACTIVITY: Pyruvate + [dihydrolipoyllysine-residue CC acetyltransferase] lipoyllysine = [dihydrolipoyllysine-residue CC acetyltransferase] S-acetyldihydrolipoyllysine + CO(2). CC -!- COFACTOR: Thiamine pyrophosphate. CC -!- ENZYME REGULATION: E1 activity is regulated by phosphorylation CC (inactivation) and dephosphorylation (activation) of the alpha CC subunit (By similarity). CC -!- SUBUNIT: Tetramer of 2 alpha and 2 beta subunits. CC -!- SUBCELLULAR LOCATION: Mitochondrion matrix. CC ----------------------------------------------------------------------- CC Copyrighted by the UniProt Consortium, see http://www.uniprot.org/terms CC Distributed under the Creative Commons Attribution-NoDerivs License CC ----------------------------------------------------------------------- DR HSC-2DPAGE; P49823; -. DR HOVERGEN; P49823; -. DR GO; GO:0005759; C:mitochondrial matrix; IEA:UniProtKB-SubCell. DR GO; GO:0004739; F:pyruvate dehydrogenase (acetyl-transferring...; IEA:EC. DR GO; GO:0006096; P:glycolysis; IEA:UniProtKB-KW. DR GO; GO:0055114; P:oxidation reduction; IEA:UniProtKB-KW. PE 1: Evidence at protein level; KW Direct protein sequencing; Glycolysis; Mitochondrion; Oxidoreductase; KW Phosphoprotein; Pyruvate; Thiamine pyrophosphate. FT CHAIN 1 >13 Pyruvate dehydrogenase E1 component FT subunit alpha, somatic form. FT /FTId=PRO_0000162214. FT NON_TER 13 13 SQ SEQUENCE 13 AA; 1513 MW; C97EEBF844085B19 CRC64; XXDATFEIKK XDL //