Granzyme A

Granzyme A (EC 3.4.21.78, CTLA3, HuTPS, T-cell associated protease 1, cytotoxic T lymphocyte serine protease, TSP-1, T-cell derived serine proteinase) is an enzyme.[5][6][7] that in humans is encoded by the GZMA gene, and is one of the five granzymes encoded in the human genome .[8][9][10] This enzyme is present in cytotoxic T lymphocyte granules.

Granzyme A
Identifiers
EC number3.4.21.78
CAS number143180-73-8
Databases
IntEnzIntEnz view
BRENDABRENDA entry
ExPASyNiceZyme view
KEGGKEGG entry
MetaCycmetabolic pathway
PRIAMprofile
PDB structuresRCSB PDB PDBe PDBsum
GZMA
Available structures
PDBOrtholog search: PDBe RCSB
Identifiers
AliasesGZMA, CTLA3, HFSP, granzyme A
External IDsOMIM: 140050 MGI: 109266 HomoloGene: 21237 GeneCards: GZMA
Gene location (Human)
Chr.Chromosome 5 (human)[1]
Band5q11.2Start55,102,646 bp[1]
End55,110,252 bp[1]
RNA expression pattern
More reference expression data
Orthologs
SpeciesHumanMouse
Entrez

3001

14938

Ensembl

ENSG00000145649

ENSMUSG00000023132

UniProt

P12544

P11032

RefSeq (mRNA)

NM_006144

NM_010370

RefSeq (protein)

NP_006135

NP_034500

Location (UCSC)Chr 5: 55.1 – 55.11 MbChr 13: 113.09 – 113.1 Mb
PubMed search[3][4]
Wikidata
View/Edit HumanView/Edit Mouse

Cytolytic T lymphocytes (CTL) and natural killer (NK) cells share the remarkable ability to recognize, bind, and lyse specific target cells. They are thought to protect their host by lysing cells bearing on their surface 'nonself' antigens, usually peptides or proteins resulting from infection by intracellular pathogens. The protein described here is a T cell- and natural killer cell-specific serine protease that may function as a common component necessary for lysis of target cells by cytotoxic T lymphocytes and natural killer cells.[10]

This enzyme catalyses the following chemical reaction:

Hydrolysis of proteins, including fibronectin, type IV collagen and nucleolin. Preferential cleavage: -Arg-, -Lys- >> -Phe- in small molecule substrates.

Human Granzyme Genes

See also

References

  1. GRCh38: Ensembl release 89: ENSG00000145649 - Ensembl, May 2017
  2. GRCm38: Ensembl release 89: ENSMUSG00000023132 - Ensembl, May 2017
  3. "Human PubMed Reference:". National Center for Biotechnology Information, U.S. National Library of Medicine.
  4. "Mouse PubMed Reference:". National Center for Biotechnology Information, U.S. National Library of Medicine.
  5. Simon MM, Hoschützky H, Fruth U, Simon HG, Kramer MD (December 1986). "Purification and characterization of a T cell specific serine proteinase (TSP-1) from cloned cytolytic T lymphocytes". The EMBO Journal. 5 (12): 3267–74. PMC 1167321. PMID 3545816.
  6. Gershenfeld HK, Hershberger RJ, Shows TB, Weissman IL (February 1988). "Cloning and chromosomal assignment of a human cDNA encoding a T cell- and natural killer cell-specific trypsin-like serine protease". Proceedings of the National Academy of Sciences of the United States of America. 85 (4): 1184–8. doi:10.1073/pnas.85.4.1184. PMC 279731. PMID 3257574.
  7. Odake S, Kam CM, Narasimhan L, Poe M, Blake JT, Krahenbuhl O, Tschopp J, Powers JC (February 1991). "Human and murine cytotoxic T lymphocyte serine proteases: subsite mapping with peptide thioester substrates and inhibition of enzyme activity and cytolysis by isocoumarins". Biochemistry. 30 (8): 2217–27. doi:10.1021/bi00222a027. PMID 1998680.
  8. Hameed A, Lowrey DM, Lichtenheld M, Podack ER (Nov 1988). "Characterization of three serine esterases isolated from human IL-2 activated killer cells". J Immunol. 141 (9): 3142–7. PMID 3262682.
  9. Masson D, Zamai M, Tschopp J (Dec 1986). "Identification of granzyme A isolated from cytotoxic T-lymphocyte-granules as one of the proteases encoded by CTL-specific genes". FEBS Lett. 208 (1): 84–8. doi:10.1016/0014-5793(86)81537-X. PMID 3533635.
  10. "Entrez Gene: GZMA granzyme A (granzyme 1, cytotoxic T-lymphocyte-associated serine esterase 3)".

Further reading


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