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NameCarbonic anhydrase 12
Synonyms
  • 4.2.1.1
  • CA-XII
  • Carbonate dehydratase XII
  • Carbonic anhydrase XII
  • Tumor antigen HOM-RCC-3.1.3
Gene NameCA12
OrganismHuman
Amino acid sequence
>lcl|BSEQ0003279|Carbonic anhydrase 12
MPRRSLHAAAVLLLVILKEQPSSPAPVNGSKWTYFGPDGENSWSKKYPSCGGLLQSPIDL
HSDILQYDASLTPLEFQGYNLSANKQFLLTNNGHSVKLNLPSDMHIQGLQSRYSATQLHL
HWGNPNDPHGSEHTVSGQHFAAELHIVHYNSDLYPDASTASNKSEGLAVLAVLIEMGSFN
PSYDKIFSHLQHVKYKGQEAFVPGFNIEELLPERTAEYYRYRGSLTTPPCNPTVLWTVFR
NPVQISQEQLLALETALYCTHMDDPSPREMINNFRQVQKFDERLVYTSFSQVQVCTAAGL
SLGIILSLALAGILGICIVVVVSIWLFRRKSIKKGDNKGVIYKPATKMETEAHA
Number of residues354
Molecular Weight39450.615
Theoretical pI7.24
GO Classification
Functions
  • zinc ion binding
  • carbonate dehydratase activity
Processes
  • one-carbon metabolic process
  • small molecule metabolic process
  • chloride ion homeostasis
  • bicarbonate transport
Components
  • plasma membrane
  • integral component of membrane
General FunctionZinc ion binding
Specific FunctionReversible hydration of carbon dioxide.
Pfam Domain Function
Transmembrane Regions302-322
GenBank Protein ID2984693
UniProtKB IDO43570
UniProtKB Entry NameCAH12_HUMAN
Cellular LocationMembrane
Gene sequence
>lcl|BSEQ0011176|Carbonic anhydrase 12 (CA12)
ATGCCCCGGCGCAGCCTGCACGCGGCGGCCGTGCTCCTGCTGGTGATCTTAAAGGAACAG
CCTTCCAGCCCGGCCCCAGTGAACGGTTCCAAGTGGACTTATTTTGGTCCTGATGGGGAG
AATAGCTGGTCCAAGAAGTACCCGTCGTGTGGGGGCCTGCTGCAGTCCCCCATAGACCTG
CACAGTGACATCCTCCAGTATGACGCCAGCCTCACGCCCCTCGAGTTCCAAGGCTACAAT
CTGTCTGCCAACAAGCAGTTTCTCCTGACCAACAATGGCCATTCAGTGAAGCTGAACCTG
CCCTCGGACATGCACATCCAGGGCCTCCAGTCTCGCTACAGTGCCACGCAGCTGCACCTG
CACTGGGGGAACCCGAATGACCCGCACGGCTCTGAGCACACCGTCAGCGGACAGCACTTC
GCCGCCGAGCTGCACATTGTCCATTATAACTCAGACCTTTATCCTGACGCCAGCACTGCC
AGCAACAAGTCAGAAGGCCTCGCTGTCCTGGCTGTTCTCATTGAGATGGGCTCCTTCAAT
CCGTCCTATGACAAGATCTTCAGTCACCTTCAACATGTAAAGTACAAAGGCCAGGAAGCA
TTCGTCCCGGGATTCAACATTGAAGAGCTGCTTCCGGAGAGGACCGCTGAATATTACCGC
TACCGGGGGTCCCTGACCACACCCCCTTGCAACCCCACTGTGCTCTGGACAGTTTTCCGA
AACCCCGTGCAAATTTCCCAGGAGCAGCTGCTGGCTTTGGAGACAGCCCTGTACTGCACA
CACATGGACGACCCTTCCCCCAGAGAAATGATCAACAACTTCCGGCAGGTCCAGAAGTTC
GATGAGAGGCTGGTATACACCTCCTTCTCCCAAGTGCAAGTCTGTACTGCGGCAGGACTG
AGTCTGGGCATCATCCTCTCACTGGCCCTGGCTGGCATTCTTGGCATCTGTATTGTGGTG
GTGGTGTCCATTTGGCTTTTCAGAAGGAAGAGTATCAAAAAAGGTGATAACAAGGGAGTC
ATTTACAAGCCAGCCACCAAGATGGAGACTGAGGCCCACGCTTGA
GenBank Gene IDAF051882
GeneCard IDNot Available
GenAtlas IDCA12
HGNC IDHGNC:1371
Chromosome Location15
Locus15q22
References
  1. Tureci O, Sahin U, Vollmar E, Siemer S, Gottert E, Seitz G, Parkkila AK, Shah GN, Grubb JH, Pfreundschuh M, Sly WS: Human carbonic anhydrase XII: cDNA cloning, expression, and chromosomal localization of a carbonic anhydrase gene that is overexpressed in some renal cell cancers. Proc Natl Acad Sci U S A. 1998 Jun 23;95(13):7608-13. 9636197
  2. Ivanov SV, Kuzmin I, Wei MH, Pack S, Geil L, Johnson BE, Stanbridge EJ, Lerman MI: Down-regulation of transmembrane carbonic anhydrases in renal cell carcinoma cell lines by wild-type von Hippel-Lindau transgenes. Proc Natl Acad Sci U S A. 1998 Oct 13;95(21):12596-601. 9770531
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  5. Kohler K, Hillebrecht A, Schulze Wischeler J, Innocenti A, Heine A, Supuran CT, Klebe G: Saccharin inhibits carbonic anhydrases: possible explanation for its unpleasant metallic aftertaste. Angew Chem Int Ed Engl. 2007;46(40):7697-9. 17705204
  6. Temperini C, Innocenti A, Guerri A, Scozzafava A, Rusconi S, Supuran CT: Phosph(on)ate as a zinc-binding group in metalloenzyme inhibitors: X-ray crystal structure of the antiviral drug foscarnet complexed to human carbonic anhydrase I. Bioorg Med Chem Lett. 2007 Apr 15;17(8):2210-5. Epub 2007 Feb 8. 17314045
  7. Srivastava DK, Jude KM, Banerjee AL, Haldar M, Manokaran S, Kooren J, Mallik S, Christianson DW: Structural analysis of charge discrimination in the binding of inhibitors to human carbonic anhydrases I and II. J Am Chem Soc. 2007 May 2;129(17):5528-37. Epub 2007 Apr 4. 17407288
  8. Crocetti L, Maresca A, Temperini C, Hall RA, Scozzafava A, Muhlschlegel FA, Supuran CT: A thiabendazole sulfonamide shows potent inhibitory activity against mammalian and nematode alpha-carbonic anhydrases. Bioorg Med Chem Lett. 2009 Mar 1;19(5):1371-5. doi: 10.1016/j.bmcl.2009.01.038. Epub 2009 Jan 19. 19186056
  9. Maresca A, Temperini C, Vu H, Pham NB, Poulsen SA, Scozzafava A, Quinn RJ, Supuran CT: Non-zinc mediated inhibition of carbonic anhydrases: coumarins are a new class of suicide inhibitors. J Am Chem Soc. 2009 Mar 4;131(8):3057-62. doi: 10.1021/ja809683v. 19206230
  10. Di Fiore A, Monti SM, Hilvo M, Parkkila S, Romano V, Scaloni A, Pedone C, Scozzafava A, Supuran CT, De Simone G: Crystal structure of human carbonic anhydrase XIII and its complex with the inhibitor acetazolamide. Proteins. 2009 Jan;74(1):164-75. doi: 10.1002/prot.22144. 18618712
  11. Whittington DA, Waheed A, Ulmasov B, Shah GN, Grubb JH, Sly WS, Christianson DW: Crystal structure of the dimeric extracellular domain of human carbonic anhydrase XII, a bitopic membrane protein overexpressed in certain cancer tumor cells. Proc Natl Acad Sci U S A. 2001 Aug 14;98(17):9545-50. Epub 2001 Aug 7. 11493685
  12. Feldshtein M, Elkrinawi S, Yerushalmi B, Marcus B, Vullo D, Romi H, Ofir R, Landau D, Sivan S, Supuran CT, Birk OS: Hyperchlorhidrosis caused by homozygous mutation in CA12, encoding carbonic anhydrase XII. Am J Hum Genet. 2010 Nov 12;87(5):713-20. doi: 10.1016/j.ajhg.2010.10.008. Epub 2010 Oct 28. 21035102