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Identification
HMDB Protein ID HMDBP00712
Secondary Accession Numbers
  • 5985
Name Succinyl-CoA:3-ketoacid coenzyme A transferase 1, mitochondrial
Synonyms
  1. 3-oxoacid-CoA transferase 1
  2. SCOT-s
  3. Somatic-type succinyl-CoA:3-oxoacid-CoA-transferase
  4. 3-oxoacid CoA-transferase 1
  5. Somatic-type succinyl-CoA:3-oxoacid CoA-transferase
Gene Name OXCT1
Protein Type Enzyme
Biological Properties
General Function Involved in CoA-transferase activity
Specific Function Key enzyme for ketone body catabolism. Transfers the CoA moiety from succinate to acetoacetate. Formation of the enzyme-CoA intermediate proceeds via an unstable anhydride species formed between the carboxylate groups of the enzyme and substrate.
Pathways
  • 2-Methyl-3-Hydroxybutryl CoA Dehydrogenase Deficiency
  • 3-Hydroxy-3-Methylglutaryl-CoA Lyase Deficiency
  • 3-hydroxyisobutyric acid dehydrogenase deficiency
  • 3-hydroxyisobutyric aciduria
  • 3-Methylcrotonyl Coa Carboxylase Deficiency Type I
  • 3-Methylglutaconic Aciduria Type I
  • 3-Methylglutaconic Aciduria Type III
  • 3-Methylglutaconic Aciduria Type IV
  • Beta-Ketothiolase Deficiency
  • Butanoate metabolism
  • Butyrate Metabolism
  • Isobutyryl-coa dehydrogenase deficiency
  • Isovaleric acidemia
  • Isovaleric Aciduria
  • Ketone Body Metabolism
  • Maple Syrup Urine Disease
  • Methylmalonate Semialdehyde Dehydrogenase Deficiency
  • Methylmalonic Aciduria
  • Propionic Acidemia
  • Succinyl CoA: 3-ketoacid CoA transferase deficiency
  • succinyl-CoA degradation
  • Synthesis and degradation of ketone bodies
  • Valine, leucine and isoleucine degradation
  • Valine, leucine and isoleucine degradation
Reactions
Succinyl-CoA + a 3-oxo acid → Succinic acid + a 3-oxoacyl-CoA details
Succinyl-CoA + Acetoacetic acid → Succinic acid + Acetoacetyl-CoA details
GO Classification
Biological Process
ketone body catabolic process
cellular lipid metabolic process
Cellular Component
mitochondrial matrix
Component
mitochondrion
organelle
membrane-bounded organelle
intracellular membrane-bounded organelle
Function
catalytic activity
transferase activity
transferase activity, transferring sulfur-containing groups
coa-transferase activity
Molecular Function
protein homodimerization activity
3-oxoacid CoA-transferase activity
Process
metabolic process
catabolic process
cellular catabolic process
ketone body catabolic process
Cellular Location
  1. Mitochondrion matrix
Gene Properties
Chromosome Location 5
Locus 5p13.1
SNPs OXCT1
Gene Sequence
>1563 bp
ATGGCGGCTCTCAAACTCCTCTCCTCCGGGCTTCGGCTCTGCGCCTCTGCCCGCGGATCT
GGGGCAACCTGGTACAAGGGATGTGTTTGTTCCTTTTCCACCAGTGCTCATCGCCATACC
AAGTTTTATACAGATCCAGTAGAAGCTGTAAAAGACATCCCTGATGGTGCCACGGTTTTG
GTTGGTGGTTTTGGGCTATGTGGAATTCCAGAGAATCTTATAGATGCTTTACTGAAAACT
GGAGTAAAAGGACTAACTGCAGTCAGCAACAATGCAGGGGTTGACAATTTTGGTTTGGGG
CTTTTGCTTCGGTCGAAGCAGATAAAACGCATGGTCTCTTCATATGTGGGAGAAAATGCA
GAATTTGAACGACAGTACTTATCTGGTGAATTAGAAGTGGAGCTGACACCACAGGGCACA
CTTGCAGAGAGGATCCGTGCAGGCGGGGCTGGAGTTCCTGCATTTTACACCCCAACAGGG
TATGGGACCCTGGTACAAGAAGGAGGATCGCCCATCAAATACAACAAAGATGGCAGTGTT
GCCATTGCCAGTAAGCCAAGAGAGGTGAGGGAGTTCAATGGTCAGCACTTTATTTTGGAG
GAAGCAATTACAGGGGATTTTGCTTTGGTGAAAGCCTGGAAGGCGGACCGAGCAGGAAAC
GTGATTTTCAGGAAAAGTGCAAGGAATTTCAACTTGCCAATGTGCAAAGCTGCAGAAACC
ACAGTGGTAGAGGTTGAAGAAATTGTGGATATTGGAGCATTTGCTCCAGAAGACATCCAT
ATTCCTCAGATTTATGTACATCGCCTTATAAAGGGAGAAAAATATGAGAAAAGAATTGAG
CGTTTATCAATCCGGAAAGAGGGAGATGGGGAAGCCAAATCTGCTAAACCTGGAGATGAC
GTAAGGGAACGAATCATCAAGAGGGCCGCTCTTGAGTTTGAGGATGGCATGTATGCTAAT
TTGGGCATAGGAATCCCTCTCCTGGCCAGCAATTTTATCAGCCCAAATATAACTGTTCAT
CTTCAAAGTGAAAATGGAGTTCTGGGTTTGGGTCCATATCCACGACAACATGAAGCTGAT
GCAGATCTCATCAATGCAGGCAAGGAAACAGTTACTATTCTTCCAGGAGCCTCTTTTTTC
TCCAGCGATGAATCATTTGCAATGATTAGAGGTGGACACGTCGATCTGACAATGCTAGGA
GCGATGCAGGTTTCCAAATATGGTGACCTGGCTAACTGGATGATACCTGGGAAGATGGTG
AAAGGAATGGGAGGTGCTATGGATTTAGTGTCCAGTGCGAAAACCAAAGTGGTGGTCACC
ATGGAGCATTCTGCAAAGGGAAATGCACATAAAATCATGGAGAAATGTACATTACCATTG
ACTGGAAAGCAATGTGTCAACCGCATTATTACTGAAAAGGCTGTGTTTGATGTGGACAAG
AAGAAAGGGTTGACTCTGATTGAGCTCTGGGAAGGCCTGACAGTGGATGACGTACAAAAG
AGTACTGGGTGTGATTTTGCAGTTTCACCAAAACTCATGCCAATGCAGCAGATCGCAAAT
TGA
Protein Properties
Number of Residues 520
Molecular Weight 56157.175
Theoretical pI 7.461
Pfam Domain Function
Signals Not Available
Transmembrane Regions Not Available
Protein Sequence
>Succinyl-CoA:3-ketoacid-coenzyme A transferase 1, mitochondrial
MAALKLLSSGLRLCASARGSGATWYKGCVCSFSTSAHRHTKFYTDPVEAVKDIPDGATVL
VGGFGLCGIPENLIDALLKTGVKGLTAVSNNAGVDNFGLGLLLRSKQIKRMVSSYVGENA
EFERQYLSGELEVELTPQGTLAERIRAGGAGVPAFYTPTGYGTLVQEGGSPIKYNKDGSV
AIASKPREVREFNGQHFILEEAITGDFALVKAWKADRAGNVIFRKSARNFNLPMCKAAET
TVVEVEEIVDIGAFAPEDIHIPQIYVHRLIKGEKYEKRIERLSIRKEGDGEAKSAKPGDD
VRERIIKRAALEFEDGMYANLGIGIPLLASNFISPNITVHLQSENGVLGLGPYPRQHEAD
ADLINAGKETVTILPGASFFSSDESFAMIRGGHVDLTMLGAMQVSKYGDLANWMIPGKMV
KGMGGAMDLVSSAKTKVVVTMEHSAKGNAHKIMEKCTLPLTGKQCVNRIITEKAVFDVDK
KKGLTLIELWEGLTVDDVQKSTGCDFAVSPKLMPMQQIAN
GenBank ID Protein Not Available
UniProtKB/Swiss-Prot ID P55809
UniProtKB/Swiss-Prot Entry Name SCOT1_HUMAN
PDB IDs
GenBank Gene ID U62961
GeneCard ID OXCT1
GenAtlas ID OXCT1
HGNC ID HGNC:8527
References
General References
  1. 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. [PubMed:15489334 ]
  2. Kassovska-Bratinova S, Fukao T, Song XQ, Duncan AM, Chen HS, Robert MF, Perez-Cerda C, Ugarte M, Chartrand C, Vobecky S, Kondo N, Mitchell GA: Succinyl CoA: 3-oxoacid CoA transferase (SCOT): human cDNA cloning, human chromosomal mapping to 5p13, and mutation detection in a SCOT-deficient patient. Am J Hum Genet. 1996 Sep;59(3):519-28. [PubMed:8751852 ]
  3. Fukao T, Mitchell GA, Song XQ, Nakamura H, Kassovska-Bratinova S, Orii KE, Wraith JE, Besley G, Wanders RJ, Niezen-Koning KE, Berry GT, Palmieri M, Kondo N: Succinyl-CoA:3-ketoacid CoA transferase (SCOT): cloning of the human SCOT gene, tertiary structural modeling of the human SCOT monomer, and characterization of three pathogenic mutations. Genomics. 2000 Sep 1;68(2):144-51. [PubMed:10964512 ]
  4. Song XQ, Fukao T, Watanabe H, Shintaku H, Hirayama K, Kassovska-Bratinova S, Kondo N, Mitchell GA: Succinyl-CoA:3-ketoacid CoA transferase (SCOT) deficiency: two pathogenic mutations, V133E and C456F, in Japanese siblings. Hum Mutat. 1998;12(2):83-8. [PubMed:9671268 ]