醇脫氫酶:修订间差异
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| caption = 人源[[ADH5]][[二聚体]]的[[X射线晶体学|蛋白质晶体结构]]<ref name="pmid12196016">{{PDB|1m6h}}; {{cite journal | author = Sanghani PC, Robinson H, Bosron WF, Hurley TD | title = Human glutathione-dependent formaldehyde dehydrogenase. Structures of apo, binary, and inhibitory ternary complexes | journal = Biochemistry | volume = 41 | issue = 35 | pages = 10778–86 | pmid = 12196016 | doi = 10.1021/bi0257639| url = | issn = |date=September 2002}}</ref> |
| caption = 人源[[ADH5]][[二聚体]]的[[X射线晶体学|蛋白质晶体结构]]<ref name="pmid12196016">{{PDB|1m6h}}; {{cite journal | author = Sanghani PC, Robinson H, Bosron WF, Hurley TD | title = Human glutathione-dependent formaldehyde dehydrogenase. Structures of apo, binary, and inhibitory ternary complexes | journal = Biochemistry | volume = 41 | issue = 35 | pages = 10778–86 | pmid = 12196016 | doi = 10.1021/bi0257639| url = | issn = |date=September 2002}}</ref> |
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'''醇脫氫酶'''({{lang-en|Alcohol dehydrogenase}},[[EC编号|EC]] [http://enzyme.expasy.org/EC/1.1.1.1 1.1.1.1]),是一种以[[烟酰胺腺嘌呤二核苷酸|NAD<sup>+</sup>]]或[[烟酰胺腺嘌呤二核苷酸磷酸|NADP<sup>+</sup>]]为[[受体 (生物化学)|受体]]、作用于[[供体]][[次甲基|CH]]-[[羟基|OH]][[基团]]上的[[氧化还原酶]]。这种[[酶]]能[[催化]]以下两种[[酶促反应]]: |
'''醇脫氫酶'''({{lang-en|Alcohol dehydrogenase}},縮寫ADH, [[EC编号|EC]] [http://enzyme.expasy.org/EC/1.1.1.1 1.1.1.1] {{Wayback|url=http://enzyme.expasy.org/EC/1.1.1.1 |date=20210301200456 }}),是一种以[[烟酰胺腺嘌呤二核苷酸|NAD<sup>+</sup>]]或[[烟酰胺腺嘌呤二核苷酸磷酸|NADP<sup>+</sup>]]为[[受体 (生物化学)|受体]]、作用于[[供体]][[次甲基|CH]]-[[羟基|OH]][[基团]]上的[[氧化还原酶]]。这种[[酶]]能[[催化]]以下两种[[酶促反应]]: |
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:[[伯醇]](一級醇) + [[烟酰胺腺嘌呤二核苷酸|NAD<sup>+</sup>]] <math>\rightleftharpoons</math> [[醛]] + NADH + [[氢离子|H<sup>+</sup>]] |
:[[伯醇]](一級醇) + [[烟酰胺腺嘌呤二核苷酸|NAD<sup>+</sup>]] <math>\rightleftharpoons</math> [[醛]] + NADH + [[氢离子|H<sup>+</sup>]] |
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:[[仲醇]](二級醇) + NAD<sup>+</sup> <math>\rightleftharpoons</math> [[酮]] + NADH + H<sup>+</sup> |
:[[仲醇]](二級醇) + NAD<sup>+</sup> <math>\rightleftharpoons</math> [[酮]] + NADH + H<sup>+</sup> |
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醇脱氢酶是一种锌蛋白,能作用于伯醇、仲醇和[[半缩醛]]等多种[[受質]]。这种酶氧化[[甲醇]]的能力比氧化[[乙醇]]的能力弱,可以利用這個特性解除甲醇中毒。[[动物]][[细胞]]中的醇脱氢酶还能氧化[[环状化合物]]的[[二级羟基]],但[[酵母]]的醇脱氢则不具有这种功能。 |
醇脱氢酶是一种锌蛋白,能作用于伯醇、仲醇和[[半缩醛]]等多种[[受質]]。这种酶氧化[[甲醇]]的能力比氧化[[乙醇]]的能力弱,可以利用這個特性解除[[甲醇中毒]]。[[动物]][[细胞]]中的醇脱氢酶还能氧化[[环状化合物]]的[[二级羟基]],但[[酵母]]的醇脱氢则不具有这种功能。 |
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== 參考 == |
== 參考 == |
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==外部連結== |
==外部連結== |
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{{commons category|Alcohol dehydrogenase}} |
{{commons category|Alcohol dehydrogenase}} |
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* [http://www.biochem.ucl.ac.uk/bsm/enzymes/ec1/ec01/ec01/ec0001/index.html PDBsum] has links to three-dimensional structures of various alcohol dehydrogenases contained in the [[Protein Data Bank]] |
* [https://web.archive.org/web/20080517055711/http://www.biochem.ucl.ac.uk/bsm/enzymes/ec1/ec01/ec01/ec0001/index.html PDBsum] has links to three-dimensional structures of various alcohol dehydrogenases contained in the [[Protein Data Bank]] |
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* [http://www.expasy.org/cgi-bin/nicezyme.pl?1.1.1.1 ExPASy] contains links to the alcohol dehydrogenase sequences in [[Swiss-Prot]], to a [[Medline]] literature search about the enzyme, and to entries in other databases. |
* [http://www.expasy.org/cgi-bin/nicezyme.pl?1.1.1.1 ExPASy] {{Wayback|url=http://www.expasy.org/cgi-bin/nicezyme.pl?1.1.1.1 |date=20110513234017 }} contains links to the alcohol dehydrogenase sequences in [[Swiss-Prot]], to a [[Medline]] literature search about the enzyme, and to entries in other databases. |
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{{Alcohol oxidoreductases}} |
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{{醇氧化还原酶类}} |
{{醇氧化还原酶类}} |
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{{biochem-stub}} |
{{biochem-stub}} |
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2022年7月26日 (二) 02:49的最新版本
醇脱氢酶 | |||||||||
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人源ADH5二聚体的蛋白质晶体结构[1] | |||||||||
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识别码 | |||||||||
EC編號 | 1.1.1.1 | ||||||||
CAS号 | 9031-72-5 | ||||||||
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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醇脫氫酶(英語:Alcohol dehydrogenase,縮寫ADH, EC 1.1.1.1 (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。这种酶能催化以下两种酶促反应:
醇脱氢酶是一种锌蛋白,能作用于伯醇、仲醇和半缩醛等多种受質。这种酶氧化甲醇的能力比氧化乙醇的能力弱,可以利用這個特性解除甲醇中毒。动物细胞中的醇脱氢酶还能氧化环状化合物的二级羟基,但酵母的醇脱氢则不具有这种功能。
參考
[编辑]- ^ PDB 1m6h; Sanghani PC, Robinson H, Bosron WF, Hurley TD. Human glutathione-dependent formaldehyde dehydrogenase. Structures of apo, binary, and inhibitory ternary complexes. Biochemistry. September 2002, 41 (35): 10778–86. PMID 12196016. doi:10.1021/bi0257639.
外部連結
[编辑]- PDBsum has links to three-dimensional structures of various alcohol dehydrogenases contained in the Protein Data Bank
- ExPASy (页面存档备份,存于互联网档案馆) contains links to the alcohol dehydrogenase sequences in Swiss-Prot, to a Medline literature search about the enzyme, and to entries in other databases.
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