组氨酸解氨酶(英语:Histidine ammonia-lyase,或称为组氨酸氨裂解酶或组氨酸酶)在人体中是一种由HAL基因编码的酶[1][2]。组氨酸解氨酶将组氨酸转变为氨与尿刊酸。
功能
组氨酸解氨酶是一种胞质溶胶酶,催化组氨酸代谢过程中的第一步,即L-组氨酸的非氧化脱氨形成反式尿刊酸[1]。
编码组氨酸酶的基因的突变与组氨酸血症和尿刊酸尿症两者有关。
深入阅读
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- Kawai Y, Moriyama A, Asai K, et al.. Molecular characterization of histidinemia: identification of four missense mutations in the histidase gene.. Hum. Genet.. 2005, 116 (5): 340–6. doi:10.1007/s00439-004-1232-5. PMID 15806399.
- Taylor RG, García-Heras J, Sadler SJ, et al.. Localization of histidase to human chromosome region 12q22----q24.1 and mouse chromosome region 10C2----D1.. Cytogenet. Cell Genet.. 1991, 56 (3-4): 178–81. PMID 2055114.
- Alemán G, Ortíz V, Langley E, et al.. Regulation by glucagon of the rat histidase gene promoter in cultured rat hepatocytes and human hepatoblastoma cells.. Am. J. Physiol. Endocrinol. Metab.. 2005, 289 (1): E172-9. doi:10.1152/ajpendo.00584.2004. PMID 15741241.
参考文献
外部链接
组氨酸解氨酶引用了美国国家医学图书馆提供的资料,这些资料属于公共领域。
参考来源
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