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Enolase 2
Mammalian protein found in Homo sapiens

Gamma-enolase, also known as enolase 2 (ENO2) or neuron specific enolase (NSE), is an enzyme that in humans is encoded by the ENO2 gene. Gamma-enolase is a phosphopyruvate hydratase.

Gamma-enolase is one of the three enolase isoenzymes found in mammals. This isoenzyme, a homodimer, is found in mature neurons and cells of neuronal origin. A switch from alpha enolase to gamma enolase occurs in neural tissue during development in rats and primates.

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Interactive pathway map

Click on genes, proteins and metabolites below to link to respective articles.4

Utility

Detection of NSE with antibodies can be used to identify neuronal cells and cells with neuroendocrine differentiation. NSE is produced by small-cell carcinomas, which are neuroendocrine in origin. NSE is therefore a useful tumor marker for distinguishing small-cell carcinomas from other tumors.5

Further reading

  • Overview of all the structural information available in the PDB for UniProt: P09104 (Human Gamma-enolase) at the PDBe-KB.

References

  1. "ENO2 enolase 2 (gamma, neuronal)". NCBI Entrez Gene database. https://www.ncbi.nlm.nih.gov/sites/entrez?Db=gene&Cmd=ShowDetailView&TermToSearch=2026

  2. Online Mendelian Inheritance in Man (OMIM): Enolase 2 - 131360 /wiki/Online_Mendelian_Inheritance_in_Man

  3. "ENO2 enolase 2 (gamma, neuronal)". NCBI Entrez Gene database. https://www.ncbi.nlm.nih.gov/sites/entrez?Db=gene&Cmd=ShowDetailView&TermToSearch=2026

  4. The interactive pathway map can be edited at WikiPathways: "GlycolysisGluconeogenesis_WP534". http://www.wikipathways.org/index.php/Pathway:WP534

  5. Clegg N, Ferguson C, True LD, Arnold H, Moorman A, Quinn JE, Vessella RL, Nelson PS (April 2003). "Molecular characterization of prostatic small-cell neuroendocrine carcinoma". Prostate. 55 (1): 55–64. doi:10.1002/pros.10217. PMID 12640661. S2CID 8778642. /wiki/Doi_(identifier)