Hmdb loader
Identification
HMDB Protein ID HMDBP00012
Secondary Accession Numbers
  • 5241
  • HMDBP04744
Name Pyruvate dehydrogenase E1 component subunit beta, mitochondrial
Synonyms
  1. PDHE1-B
Gene Name PDHB
Protein Type Enzyme
Biological Properties
General Function Involved in catalytic activity
Specific Function The pyruvate dehydrogenase complex catalyzes the overall conversion of pyruvate to acetyl-CoA and CO(2), and thereby links the glycolytic pathway to the tricarboxylic cycle.
Pathways
  • 2-ketoglutarate dehydrogenase complex deficiency
  • Butanoate metabolism
  • Citrate cycle (TCA cycle)
  • Citric Acid Cycle
  • Congenital lactic acidosis
  • Fumarase deficiency
  • Glutaminolysis and Cancer
  • Glycolysis / Gluconeogenesis
  • HIF-1 signaling pathway
  • Leigh Syndrome
  • Mitochondrial complex II deficiency
  • Primary hyperoxaluria II, PH2
  • Pyruvate Decarboxylase E1 Component Deficiency (PDHE1 Deficiency)
  • Pyruvate Dehydrogenase Complex Deficiency
  • Pyruvate dehydrogenase deficiency (E2)
  • Pyruvate dehydrogenase deficiency (E3)
  • Pyruvate kinase deficiency
  • Pyruvate metabolism
  • Pyruvate metabolism
  • The oncogenic action of 2-hydroxyglutarate
  • The oncogenic action of D-2-hydroxyglutarate in Hydroxygluaricaciduria
  • The Oncogenic Action of Fumarate
  • The oncogenic action of L-2-hydroxyglutarate in Hydroxygluaricaciduria
  • The Oncogenic Action of Succinate
  • Transfer of Acetyl Groups into Mitochondria
  • Warburg Effect
Reactions
Pyruvic acid + [dihydrolipoyllysine-residue acetyltransferase] lipoyllysine → [dihydrolipoyllysine-residue acetyltransferase] S-acetyldihydrolipoyllysine + CO(2) details
Pyruvic acid + Thiamine pyrophosphate → 2-(a-Hydroxyethyl)thiamine diphosphate + Carbon dioxide details
Pyruvic acid + Enzyme N6-(lipoyl)lysine → [Dihydrolipoyllysine-residue acetyltransferase] S-acetyldihydrolipoyllysine + Carbon dioxide details
2-(a-Hydroxyethyl)thiamine diphosphate + Enzyme N6-(lipoyl)lysine → [Dihydrolipoyllysine-residue acetyltransferase] S-acetyldihydrolipoyllysine + Thiamine pyrophosphate details
GO Classification
Biological Process
regulation of acetyl-CoA biosynthetic process from pyruvate
glycolysis
tricarboxylic acid cycle
acetyl-CoA biosynthetic process from pyruvate
Cellular Component
mitochondrial matrix
pyruvate dehydrogenase complex
Function
catalytic activity
Molecular Function
pyruvate dehydrogenase (acetyl-transferring) activity
Process
metabolic process
Cellular Location
  1. Mitochondrion matrix
Gene Properties
Chromosome Location 3
Locus 3p21.1-p14.2
SNPs PDHB
Gene Sequence
>1080 bp
ATGGCGGCGGTGTCTGGCTTGGTGCGGAGACCCCTTCGGGAGGTCTCCGGGCTGCTGAAG
AGGCGCTTTCACTGGACCGCGCCGGCTGCGCTGCAGGTGACAGTTCGTGATGCTATAAAT
CAGGGTATGGATGAGGAGCTGGAAAGAGATGAGAAGGTATTTCTGCTTGGAGAAGAAGTT
GCCCAGTATGATGGGGCATACAAGGTTAGTCGAGGGCTGTGGAAGAAATATGGAGACAAG
AGGATTATTGACACTCCCATATCAGAGATGGGCTTTGCTGGAATTGCTGTAGGTGCAGCT
ATGGCTGGGTTGCGGCCCATTTGTGAATTTATGACCTTCAATTTCTCCATGCAAGCCATT
GACCAGGTTATAAACTCAGCTGCCAAGACCTACTACATGTCTGGTGGCCTTCAGCCTGTG
CCTATAGTCTTCAGGGGGCCCAATGGTGCCTCAGCAGGTGTAGCTGCCCAGCACTCACAG
TGCTTTGCTGCCTGGTATGGGCACTGCCCAGGCTTAAAGGTGGTCAGTCCCTGGAATTCA
GAGGATGCTAAAGGACTTATTAAATCAGCCATTCGGGATAACAATCCAGTGGTGGTGCTA
GAGAATGAATTGATGTATGGGGTTCCTTTTGAATTTCCTCCGGAAGCTCAGTCAAAAGAT
TTTCTGATTCCTATTGGAAAAGCCAAAATAGAAAGGCAAGGAACACATATAACTGTGGTT
TCCCATTCAAGACCTGTGGGCCACTGCTTAGAAGCTGCAGCAGTGCTATCTAAAGAAGGA
GTTGAATGTGAGGTGATAAATATGCGTACCATTAGACCAATGGACATGGAAACCATAGAA
GCCAGTGTCATGAAGACAAATCATCTTGTAACTGTGGAAGGAGGCTGGCCACAGTTTGGA
GTAGGAGCTGAAATCTGTGCCAGGATCATGGAAGGTCCTGCGTTCAATTTCCTGGATGCT
CCTGCTGTTCGTGTCACTGGTGCTGATGTCCCTATGCCTTATGCAAAGATTCTAGAGGAC
AACTCTATACCTCAGGTCAAAGACATCATATTTGCAATAAAGAAAACATTAAATATTTAG
Protein Properties
Number of Residues 359
Molecular Weight 39233.1
Theoretical pI 6.647
Pfam Domain Function
Signals Not Available
Transmembrane Regions Not Available
Protein Sequence
>Pyruvate dehydrogenase E1 component subunit beta, mitochondrial
MAAVSGLVRRPLREVSGLLKRRFHWTAPAALQVTVRDAINQGMDEELERDEKVFLLGEEV
AQYDGAYKVSRGLWKKYGDKRIIDTPISEMGFAGIAVGAAMAGLRPICEFMTFNFSMQAI
DQVINSAAKTYYMSGGLQPVPIVFRGPNGASAGVAAQHSQCFAAWYGHCPGLKVVSPWNS
EDAKGLIKSAIRDNNPVVVLENELMYGVPFEFPPEAQSKDFLIPIGKAKIERQGTHITVV
SHSRPVGHCLEAAAVLSKEGVECEVINMRTIRPMDMETIEASVMKTNHLVTVEGGWPQFG
VGAEICARIMEGPAFNFLDAPAVRVTGADVPMPYAKILEDNSIPQVKDIIFAIKKTLNI
GenBank ID Protein 189053605
UniProtKB/Swiss-Prot ID P11177
UniProtKB/Swiss-Prot Entry Name ODPB_HUMAN
PDB IDs
GenBank Gene ID AK313022
GeneCard ID PDHB
GenAtlas ID PDHB
HGNC ID HGNC:8808
References
General References
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  4. Chun K, Mackay N, Willard HF, Robinson BH: Isolation, characterization and chromosomal localization of cDNA clones for the E1 beta subunit of the pyruvate dehydrogenase complex. Eur J Biochem. 1990 Dec 12;194(2):587-92. [PubMed:1702713 ]
  5. Huh TL, Casazza JP, Huh JW, Chi YT, Song BJ: Characterization of two cDNA clones for pyruvate dehydrogenase E1 beta subunit and its regulation in tricarboxylic acid cycle-deficient fibroblast. J Biol Chem. 1990 Aug 5;265(22):13320-6. [PubMed:2376596 ]
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  7. Koike K, Ohta S, Urata Y, Kagawa Y, Koike M: Cloning and sequencing of cDNAs encoding alpha and beta subunits of human pyruvate dehydrogenase. Proc Natl Acad Sci U S A. 1988 Jan;85(1):41-5. [PubMed:3422424 ]
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  10. Corbett JM, Wheeler CH, Baker CS, Yacoub MH, Dunn MJ: The human myocardial two-dimensional gel protein database: update 1994. Electrophoresis. 1994 Nov;15(11):1459-65. [PubMed:7895732 ]
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  13. Brown RM, Head RA, Boubriak II, Leonard JV, Thomas NH, Brown GK: Mutations in the gene for the E1beta subunit: a novel cause of pyruvate dehydrogenase deficiency. Hum Genet. 2004 Jul;115(2):123-7. Epub 2004 May 11. [PubMed:15138885 ]