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Identification
HMDB Protein ID HMDBP00927
Secondary Accession Numbers
  • 6215
  • HMDBP03500
Name Ornithine carbamoyltransferase, mitochondrial
Synonyms
  1. OTCase
  2. Ornithine transcarbamylase
Gene Name OTC
Protein Type Enzyme
Biological Properties
General Function Involved in carboxyl- or carbamoyltransferase activity
Specific Function Not Available
Pathways
  • Arginine and Proline Metabolism
  • Arginine and proline metabolism
  • Arginine: Glycine Amidinotransferase Deficiency (AGAT Deficiency)
  • Argininemia
  • Argininosuccinic Aciduria
  • Carbamoyl Phosphate Synthetase Deficiency
  • Citrullinemia Type I
  • Creatine deficiency, guanidinoacetate methyltransferase deficiency
  • Guanidinoacetate Methyltransferase Deficiency (GAMT Deficiency)
  • Hyperornithinemia with gyrate atrophy (HOGA)
  • Hyperornithinemia-hyperammonemia-homocitrullinuria [HHH-syndrome]
  • Hyperprolinemia Type I
  • Hyperprolinemia Type II
  • L-arginine:glycine amidinotransferase deficiency
  • Ornithine Aminotransferase Deficiency (OAT Deficiency)
  • Ornithine Transcarbamylase Deficiency (OTC Deficiency)
  • Prolidase Deficiency (PD)
  • Prolinemia Type II
  • urea cycle
  • Urea Cycle
Reactions
Carbamoyl phosphate + Ornithine → Phosphoric acid + Citrulline details
GO Classification
Biological Process
response to zinc ion
arginine biosynthetic process
response to insulin stimulus
liver development
response to drug
response to biotin
anion homeostasis
citrulline biosynthetic process
midgut development
protein homotrimerization
urea cycle
Cellular Component
mitochondrial matrix
ornithine carbamoyltransferase complex
mitochondrial inner membrane
Component
ornithine carbamoyltransferase complex
macromolecular complex
protein complex
Function
binding
catalytic activity
transferase activity
ornithine carbamoyltransferase activity
carboxyl- or carbamoyltransferase activity
carboxylic acid binding
amino acid binding
transferase activity, transferring one-carbon groups
Molecular Function
ornithine carbamoyltransferase activity
phospholipid binding
phosphate ion binding
amino acid binding
Process
metabolic process
cellular metabolic process
cellular amino acid and derivative metabolic process
cellular amino acid metabolic process
Cellular Location
  1. Mitochondrion matrix
Gene Properties
Chromosome Location X
Locus Xp21.1
SNPs OTC
Gene Sequence
>1065 bp
ATGCTGTTTAATCTGAGGATCCTGTTAAACAATGCAGCTTTTAGAAATGGTCACAACTTC
ATGGTTCGAAATTTTCGGTGTGGACAACCACTACAAAATAAAGTGCAGCTGAAGGGCCGT
GACCTTCTCACTCTAAAAAACTTTACCGGAGAAGAAATTAAATATATGCTATGGCTATCA
GCAGATCTGAAATTTAGGATAAAACAGAAAGGAGAGTATTTGCCTTTATTGCAGGGGAAG
TCCTTAGGCATGATTTTTGAGAAAAGAAGTACTCGAACAAGATTGTCTACAGAAACAGGC
TTTGCACTTCTGGGAGGACATCCTTGTTTTCCTACCACACAAGATATTCATTTGGGTGTG
AATGAAAGTCTCACGGACACGGCCCGTGTATTGTCTAGCATGGCAGATGCAGTATTGGCT
CGAGTGTATAAACAATCAGATTTGGACACCCTTGCTAAAGAAGCATCCATCCCAATTATC
AATGGGCTGTCAGATTTGTACCATCCTATCCAGATCCTGGCTGATTACCTCACGCTCCAG
GAACACTATAGCTCTCTGAAAGGTCTTACCCTCAGCTGTTTCGGGGATGGGAACAATATC
CTGCACTCCATCATGATGAGCGCAGCGAAATTCGGAATGCACCTTCAGGCAGCTACTCCA
AAGGGTTATGAGCCGGATGCTAGTGTAACCAAGTTGGCAGAGCAGTATGCCAAAGAGAAT
GGTACCAAGCTGTTGCTGACAAATGATCCATTGGAAGCAGCGCATGGAGGCAATGTATTA
ATTACAGACACTTGGATAAGCATGGGACGAGAAGAGGAGAAGAAAAAGCGGCTCCAAGCT
TTCCAAGGTTACCAAGTTACAATGAAGACTGCTAAAGTTGCTGCCTCTGACTGGACATTT
TTACACTGCTTGCCCAGAAAGCCAGAAGAAGTGGATGATGAAGTCTTTTATTCTCCTCGA
TCACTAGTGTTCCCAGAGGCAGAAAACAGAAAGTGGACAATCATGGCTGTCATGGTGTCC
CTGCTGACAGATTACTCACCTCAGCTCCAGAAGCCTAAATTTTGA
Protein Properties
Number of Residues 354
Molecular Weight 39934.775
Theoretical pI 8.633
Pfam Domain Function
Signals Not Available
Transmembrane Regions Not Available
Protein Sequence
>Ornithine carbamoyltransferase, mitochondrial
MLFNLRILLNNAAFRNGHNFMVRNFRCGQPLQNKVQLKGRDLLTLKNFTGEEIKYMLWLS
ADLKFRIKQKGEYLPLLQGKSLGMIFEKRSTRTRLSTETGFALLGGHPCFLTTQDIHLGV
NESLTDTARVLSSMADAVLARVYKQSDLDTLAKEASIPIINGLSDLYHPIQILADYLTLQ
EHYSSLKGLTLSWIGDGNNILHSIMMSAAKFGMHLQAATPKGYEPDASVTKLAEQYAKEN
GTKLLLTNDPLEAAHGGNVLITDTWISMGQEEEKKKRLQAFQGYQVTMKTAKVAASDWTF
LHCLPRKPEEVDDEVFYSPRSLVFPEAENRKWTIMAVMVSLLTDYSPQLQKPKF
GenBank ID Protein 189407
UniProtKB/Swiss-Prot ID P00480
UniProtKB/Swiss-Prot Entry Name OTC_HUMAN
PDB IDs
GenBank Gene ID K02100
GeneCard ID OTC
GenAtlas ID OTC
HGNC ID HGNC:8512
References
General References
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  4. Sjoblom T, Jones S, Wood LD, Parsons DW, Lin J, Barber TD, Mandelker D, Leary RJ, Ptak J, Silliman N, Szabo S, Buckhaults P, Farrell C, Meeh P, Markowitz SD, Willis J, Dawson D, Willson JK, Gazdar AF, Hartigan J, Wu L, Liu C, Parmigiani G, Park BH, Bachman KE, Papadopoulos N, Vogelstein B, Kinzler KW, Velculescu VE: The consensus coding sequences of human breast and colorectal cancers. Science. 2006 Oct 13;314(5797):268-74. Epub 2006 Sep 7. [PubMed:16959974 ]
  5. Horwich AL, Fenton WA, Williams KR, Kalousek F, Kraus JP, Doolittle RF, Konigsberg W, Rosenberg LE: Structure and expression of a complementary DNA for the nuclear coded precursor of human mitochondrial ornithine transcarbamylase. Science. 1984 Jun 8;224(4653):1068-74. [PubMed:6372096 ]
  6. Hata A, Tsuzuki T, Shimada K, Takiguchi M, Mori M, Matsuda I: Structure of the human ornithine transcarbamylase gene. J Biochem. 1988 Feb;103(2):302-8. [PubMed:2836378 ]
  7. Horwich AL, Kalousek F, Rosenberg LE: Arginine in the leader peptide is required for both import and proteolytic cleavage of a mitochondrial precursor. Proc Natl Acad Sci U S A. 1985 Aug;82(15):4930-3. [PubMed:3895227 ]
  8. Hata A, Tsuzuki T, Shimada K, Takiguchi M, Mori M, Matsuda I: Isolation and characterization of the human ornithine transcarbamylase gene: structure of the 5'-end region. J Biochem. 1986 Sep;100(3):717-25. [PubMed:3782067 ]
  9. Gilbert-Dussardier B, Rabier D, Strautnieks S, Segues B, Bonnefont JP, Munnich A: A novel arginine (245) to glutamine change in exon 8 of the ornithine carbamoyl transferase gene in two unrelated children presenting with late onset deficiency and showing the same enzymatic pattern. Hum Mol Genet. 1994 May;3(5):831-2. [PubMed:8081373 ]
  10. Shi D, Morizono H, Ha Y, Aoyagi M, Tuchman M, Allewell NM: 1.85-A resolution crystal structure of human ornithine transcarbamoylase complexed with N-phosphonacetyl-L-ornithine. Catalytic mechanism and correlation with inherited deficiency. J Biol Chem. 1998 Dec 18;273(51):34247-54. [PubMed:9852088 ]
  11. Shi D, Morizono H, Aoyagi M, Tuchman M, Allewell NM: Crystal structure of human ornithine transcarbamylase complexed with carbamoyl phosphate and L-norvaline at 1.9 A resolution. Proteins. 2000 Jun 1;39(4):271-7. [PubMed:10813810 ]
  12. Tuchman M: Mutations and polymorphisms in the human ornithine transcarbamylase gene. Hum Mutat. 1993;2(3):174-8. [PubMed:8364586 ]
  13. Tuchman M, Plante RJ: Mutations and polymorphisms in the human ornithine transcarbamylase gene: mutation update addendum. Hum Mutat. 1995;5(4):293-5. [PubMed:7627182 ]
  14. Tuchman M, Morizono H, Reish O, Yuan X, Allewell NM: The molecular basis of ornithine transcarbamylase deficiency: modelling the human enzyme and the effects of mutations. J Med Genet. 1995 Sep;32(9):680-8. [PubMed:8544185 ]
  15. Maddalena A, Spence JE, O'Brien WE, Nussbaum RL: Characterization of point mutations in the same arginine codon in three unrelated patients with ornithine transcarbamylase deficiency. J Clin Invest. 1988 Oct;82(4):1353-8. [PubMed:3170748 ]
  16. Grompe M, Muzny DM, Caskey CT: Scanning detection of mutations in human ornithine transcarbamoylase by chemical mismatch cleavage. Proc Natl Acad Sci U S A. 1989 Aug;86(15):5888-92. [PubMed:2474822 ]
  17. Finkelstein JE, Francomano CA, Brusilow SW, Traystman MD: Use of denaturing gradient gel electrophoresis for detection of mutation and prospective diagnosis in late onset ornithine transcarbamylase deficiency. Genomics. 1990 Jun;7(2):167-72. [PubMed:2347583 ]
  18. Grompe M, Caskey CT, Fenwick RG: Improved molecular diagnostics for ornithine transcarbamylase deficiency. Am J Hum Genet. 1991 Feb;48(2):212-22. [PubMed:1671317 ]
  19. Hentzen D, Pelet A, Feldman D, Rabier D, Berthelot J, Munnich A: Fatal hyperammonemia resulting from a C-to-T mutation at a MspI site of the ornithine transcarbamylase gene. Hum Genet. 1991 Dec;88(2):153-6. [PubMed:1721894 ]
  20. Tuchman M, Holzknecht RA, Gueron AB, Berry SA, Tsai MY: Six new mutations in the ornithine transcarbamylase gene detected by single-strand conformational polymorphism. Pediatr Res. 1992 Nov;32(5):600-4. [PubMed:1480464 ]
  21. Tsai MY, Holzknecht RA, Tuchman M: Single-strand conformational polymorphism and direct sequencing applied to carrier testing in families with ornithine transcarbamylase deficiency. Hum Genet. 1993 May;91(4):321-5. [PubMed:8099056 ]
  22. Tuchman M, Plante RJ, Giguere Y, Lemieux B: The ornithine transcarbamylase gene: new "private" mutations in four patients and study of a polymorphism. Hum Mutat. 1994;3(3):318-20. [PubMed:8019569 ]
  23. Matsuura T, Hoshide R, Kiwaki K, Komaki S, Koike E, Endo F, Oyanagi K, Suzuki Y, Kato I, Ishikawa K, et al.: Four newly identified ornithine transcarbamylase (OTC) mutations (D126G, R129H, I172M and W332X) in Japanese male patients with early-onset OTC deficiency. Hum Mutat. 1994;3(4):402-6. [PubMed:8081398 ]
  24. Tuchman M, Plante RJ, McCann MT, Qureshi AA: Seven new mutations in the human ornithine transcarbamylase gene. Hum Mutat. 1994;4(1):57-60. [PubMed:7951259 ]
  25. Garcia-Perez MA, Paz Briones PS, Garcia-Munnoz MJ, Rubio V: A splicing mutation, a nonsense mutation (Y167X) and two missense mutations (I159T and A209V) in Spanish patients with ornithine transcarbamylase deficiency. Hum Genet. 1995 Nov;96(5):549-51. [PubMed:8530002 ]
  26. Zimmer KP, Matsuura T, Colombo JP, Koch HG, Ullrich K, Deufel T, Harms E, Matsuda I: A novel point mutation at codon 269 of the ornithine transcarbamylase (OTC) gene causing neonatal onset of OTC deficiency. J Inherit Metab Dis. 1995;18(3):356-7. [PubMed:7474905 ]
  27. Gilbert-Dussardier B, Segues B, Rozet JM, Rabier D, Calvas P, de Lumley L, Bonnefond JP, Munnich A: Partial duplication [dup. TCAC (178)] and novel point mutations (T125M, G188R, A209V, and H302L) of the ornithine transcarbamylase gene in congenital hyperammonemia. Hum Mutat. 1996;8(1):74-6. [PubMed:8807340 ]
  28. Oppliger Leibundgut EO, Wermuth B, Colombo JP, Liechti-Gallati S: Ornithine transcarbamylase deficiency: characterization of gene mutations and polymorphisms. Hum Mutat. 1996;8(4):333-9. [PubMed:8956038 ]
  29. Segues B, Veber PS, Rabier D, Calvas P, Saudubray JM, Gilbert-Dussardier B, Bonnefont JP, Munnich A: A 3-base pair in-frame deletion in exon 8 (delGlu272/273) of the ornithine transcarbamylase gene in late-onset hyperammonemic coma. Hum Mutat. 1996;8(4):373-4. [PubMed:8956045 ]
  30. Yoo HW, Kim GH, Lee DH: Identification of new mutations in the ornithine transcarbamylase (OTC) gene in Korean families. J Inherit Metab Dis. 1996;19(1):31-42. [PubMed:8830175 ]
  31. Matsuda I, Tanase S: The ornithine transcarbamylase (OTC) gene: mutations in 50 Japanese families with OTC deficiency. Am J Med Genet. 1997 Sep 5;71(4):378-83. [PubMed:9286441 ]
  32. Morizono H, Tuchman M, Rajagopal BS, McCann MT, Listrom CD, Yuan X, Venugopal D, Barany G, Allewell NM: Expression, purification and kinetic characterization of wild-type human ornithine transcarbamylase and a recurrent mutant that produces 'late onset' hyperammonaemia. Biochem J. 1997 Mar 1;322 ( Pt 2):625-31. [PubMed:9065786 ]
  33. Oppliger Leibundgut E, Liechti-Gallati S, Colombo JP, Wermuth B: Ornithine transcarbamylase deficiency: ten new mutations and high proportion of de novo mutations in heterozygous females. Hum Mutat. 1997;9(5):409-11. [PubMed:9143919 ]
  34. Tuchman M, Morizono H, Rajagopal BS, Plante RJ, Allewell NM: Identification of 'private' mutations in patients with ornithine transcarbamylase deficiency. J Inherit Metab Dis. 1997 Aug;20(4):525-7. [PubMed:9266388 ]
  35. Shimadzu M, Matsumoto H, Matsuura T, Kobayashi K, Komaki S, Kiwaki K, Hoshide R, Endo F, Saheki T, Matsuda I: Ten novel mutations of the ornithine transcarbamylase (OTC) gene in OTC deficiency. Hum Mutat. 1998;Suppl 1:S5-7. [PubMed:9452024 ]
  36. Calvas P, Segues B, Rozet JM, Rabier D, Bonnefond JP, Munnich A: Novel intragenic deletions and point mutations of the ornithine transcarbamylase gene in congenital hyperammonemia. Hum Mutat. 1998;Suppl 1:S81-4. [PubMed:9452049 ]
  37. Nishiyori A, Yoshino M, Tananari Y, Matsuura T, Hoshide R, Mastuda I, Mori M, Kato H: Y55D mutation in ornithine transcarbamylase associated with late-onset hyperammonemia in a male. Hum Mutat. 1998;Suppl 1:S131-3. [PubMed:9452065 ]
  38. Climent C, Garcia-Perez MA, Sanjurjo P, Ruiz-Sanz JI, Vilaseca MA, Pineda M, Campistol J, Rubio V: Identification of a cytogenetic deletion and of four novel mutations (Q69X, I172F, G188V, G197R) affecting the gene for ornithine transcarbamylase (OTC) in Spanish patients with OTC deficiency. Hum Mutat. 1999 Oct;14(4):352-3. [PubMed:10502831 ]
  39. Popowska E, Ciara E, Rokicki D, Pronicka E: Three novel and one recurrent ornithine carbamoyltransferase gene mutations in Polish patients. J Inherit Metab Dis. 1999 Feb;22(1):92-3. [PubMed:10070627 ]
  40. Giorgi M, Morrone A, Donati MA, Ciani F, Bardelli T, Biasucci G, Zammarchi E: Lymphocyte mRNA analysis of the ornithine transcarbamylase gene in Italian OTCD male patients and manifesting carriers: identification of novel mutations. Hum Mutat. 2000 Apr;15(4):380-1. [PubMed:10737985 ]
  41. Climent C, Rubio V: Identification of seven novel missense mutations, two splice-site mutations, two microdeletions and a polymorphic amino acid substitution in the gene for ornithine transcarbamylase (OTC) in patients with OTC deficiency. Hum Mutat. 2002 Feb;19(2):185-6. [PubMed:11793483 ]