组氨醇脱氢酶
外观
组氨醇脱氢酶 | |||||||||
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组氨醇脱氢酶(PDB 1k75) | |||||||||
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识别码 | |||||||||
EC编号 | 1.1.1.23 | ||||||||
CAS号 | 9028-27-7 | ||||||||
数据库 | |||||||||
IntEnz | IntEnz浏览 | ||||||||
BRENDA | BRENDA入口 | ||||||||
ExPASy | NiceZyme浏览 | ||||||||
KEGG | KEGG入口 | ||||||||
MetaCyc | 代谢路径 | ||||||||
PRIAM | 概述 | ||||||||
PDB | RCSB PDB PDBj PDBe PDBsum | ||||||||
基因本体 | AmiGO / EGO | ||||||||
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组氨醇脱氢酶(英语:histidinol dehydrogenase,EC 1.1.1.23 (页面存档备份,存于互联网档案馆))是一种以NAD+或NADP+为受体、作用于供体CH-OH基团上的氧化还原酶。这种酶能催化以下酶促反应:
组氨醇脱氢酶也能氧化组氨醛。在细菌、真菌和植物细胞中,组氨醇脱氢酶主要负责催化组氨酸生物合成的最后一步化学反应——组氨醇的四电子氧化反应。细菌的组氨醇脱氢酶是一个单链多肽;真菌的组氨醇脱氢酶则是一个多功能酶的C端结构域,可以催化组氨酸合成过程中的3个反应;植物的组氨醇脱氢酶则是由细胞核基因编码的蛋白质前体,需被转运至叶绿体后才能发挥作用。[1][2][3]
参考文献
[编辑]- ^ Nagai A, Ward E, Beck J, Tada S, Chang JY, Scheidegger A, Ryals J. Structural and functional conservation of histidinol dehydrogenase between plants and microbes. Proc. Natl. Acad. Sci. U.S.A. May 1991, 88 (10): 4133–4137. PMC 51612 . PMID 2034659.
- ^ Cowan-Jacob SW, Rahuel J, Nagai A, Iwasaki G, Ohta D. Crystallization and preliminary crystallographic analysis of cabbage histidinol dehydrogenase. Acta Crystallogr. D Biol. Crystallogr. November 1996, 52 (Pt 6): 1188–90. PMID 15299582. doi:10.1107/S0907444996008396.
- ^ Barbosa JA, Sivaraman J, Li Y, Larocque R, Matte A, Schrag JD, Cygler M. Mechanism of action and NAD+-binding mode revealed by the crystal structure of L-histidinol dehydrogenase. Proc. Natl. Acad. Sci. U.S.A. February 2002, 99 (4): 1859–64. PMC 122284 . PMID 11842181. doi:10.1073/pnas.022476199.
- Adams E. Enzymatic synthesis of histidine from histidinol. J. Biol. Chem. 1954, 209 (2): 829–846. PMID 13192138.
- Adams E. L-Histidinal, a biosynthetic precursor of histidine. J. Biol. Chem. 1955, 217 (1): 325–344. PMID 13271397.
- Yourno J, InoI. Purification and crystallization of histidinol dehydrogenase fromSalmonella typhimurium LT-2. J. Biol. Chem. 1968, 243 (12): 3273–6. PMID 4872177.
- Loper JC. Histidinol dehydrogenase from Salmonella typhimurium Crystallization and composition studies. J. Biol. Chem. 1968, 243 (12): 3264–72. PMID 4872176.