Sandbox Reserved 1761
From Proteopedia
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== Function of your protein == | == Function of your protein == | ||
The specific function of Human ornithine aminotransferase (hOAT) is that of an enzyme. It can be found in humans, as well as mice and pigs. It helps transfer L-ornithine’s δ-amino group to α-ketoglutarate (α-KG). | The specific function of Human ornithine aminotransferase (hOAT) is that of an enzyme. It can be found in humans, as well as mice and pigs. It helps transfer L-ornithine’s δ-amino group to α-ketoglutarate (α-KG). | ||
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== Biological relevance and broader implications == | == Biological relevance and broader implications == | ||
''h''OAT is important because it is heavily involved in the urea cycle. In mammals, it dictates a large portion of the development of neonates. The research on this protein is relevant to science as a whole because it could directly impact cancer research and lead to the creation of cancer management in humans. There has been overexpression of ''h''OAT within Hepatocellular carcinoma (HCC) cells, therefore there is reason to believe that the overexpression of ''h''OAT is an indication of chronic liver diseases and cancer of the liver. | ''h''OAT is important because it is heavily involved in the urea cycle. In mammals, it dictates a large portion of the development of neonates. The research on this protein is relevant to science as a whole because it could directly impact cancer research and lead to the creation of cancer management in humans. There has been overexpression of ''h''OAT within Hepatocellular carcinoma (HCC) cells, therefore there is reason to believe that the overexpression of ''h''OAT is an indication of chronic liver diseases and cancer of the liver. | ||
== Important amino acids== | == Important amino acids== | ||
| - | The ligands of ''h''OAT are y-aminobutyric acid (GABA), 5-aminovaleric acid (AVA), and L-2,4-diaminobutyric acid (DABA). The highest affinity of binding with ''h''OAT is GABA. It also has a higher percentage of return in the reverse reaction. | + | The ligands of ''h''OAT are y-aminobutyric acid (GABA), 5-aminovaleric acid (AVA), and L-2,4-diaminobutyric acid (DABA). The highest affinity of binding with ''h''OAT is GABA. It also has a higher percentage of return in the reverse reaction. The role of the catalytic amino acids in an enzyme is to bind to a substrate, changing the structure, causing bonds to break and new bonds to be formed. When there is a difficult reaction, the triad of amino acids works in tandem to facilitate the reaction. |
== Structural highlights == | == Structural highlights == | ||
Revision as of 04:29, 13 December 2022
| This Sandbox is Reserved from November 4, 2022 through January 1, 2023 for use in the course CHEM 351 Biochemistry taught by Bonnie Hall at the Grand View University, Des Moines, USA. This reservation includes Sandbox Reserved 1755 through Sandbox Reserved 1764. |
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References
- ↑ Hanson, R. M., Prilusky, J., Renjian, Z., Nakane, T. and Sussman, J. L. (2013), JSmol and the Next-Generation Web-Based Representation of 3D Molecular Structure as Applied to Proteopedia. Isr. J. Chem., 53:207-216. doi:http://dx.doi.org/10.1002/ijch.201300024
- ↑ Herraez A. Biomolecules in the computer: Jmol to the rescue. Biochem Mol Biol Educ. 2006 Jul;34(4):255-61. doi: 10.1002/bmb.2006.494034042644. PMID:21638687 doi:10.1002/bmb.2006.494034042644
Butrin, A., Butrin, A., Wawrzak, Z., Moran, G. R., & Liu, D. (2022). Determination of the ph dependence, substrate specificity, and turnovers of alternative substrates for human ornithine aminotransferase. Journal of Biological Chemistry, 298(6), 101969. https://doi.org/10.1016/j.jbc.2022.101969
