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酶及辅酶类

酶是一种生物催化剂,是细胞内重要的蛋白质分子,在维持生命活动中起着关键作用。它们能够催化化学反应以实现高效的物质转化和能量转换,而自身在反应前后保持不变。酶具有高度的特异性,可以专一性地识别底物,并通过特定的活性位点与之结合。酶催化的反应通常发生在接近最适温度和pH值的条件下,且在生物体内受严格调控。

辅酶

辅酶是酶促反应中的辅助因子之一,通常以非共价键形式与酶结合或参与催化过程。它们能够转移电子、质子或其他化学基团,在氧化还原反应中扮演重要角色。常见的辅酶包括NAD+(尼克酰胺腺嘌呤二核苷酸)、FAD(黄素腺嘌呤二核苷酸)和CoA(辅酶A),这些化合物在能量代谢和其他生物过程中发挥关键作用。

酶与辅酶的关系

酶与辅酶之间的关系密切。许多酶需要特定的辅酶才能进行有效的催化反应,这些酶-辅酶复合物共同完成复杂的生化过程。例如,在糖酵解过程中,多种辅酶如NAD+参与氧化还原步骤;而在脂肪酸合成中,辅酶A作为载体运输酰基中间体。

总结

了解酶及辅酶的作用机制对于深入研究生命科学至关重要。它们在生物体内通过高度特异性和高效催化来调控各种代谢途径和信号传导路径,对维持细胞功能具有重要作用。

中文名称 英文名称 CAS号 化学式 结构式图片
木质素过氧化物酶 versatile peroxidase 114995-15-2 —— ——
普罗米酶 oryzin 9014-01-2 —— ——
抗坏血酸氧化酶 L-ascorbate oxidase 9029-44-1 —— ——
抑胃酶氨酰-1474 5-hydroxy-4-(5-hydroxy-4-(1-methyl-1H-indol-5-yl)-4H-1,2,4-triazol-3-yl)-2-isopropylphenyl dihydrogen phosphate 83712-60-1 C20H21N4O6P
抑胃酶氨酰-1474
心脂抗原 citrate (pro-3S)-lyase 9012-83-3 —— ——
心肌黄酶(尿酸梭菌) NADPH dehydrogenase 9001-68-7 —— ——
微球菌核酸酶 micrococcal nuclease 9013-53-0 —— ——
弹性酶 pancreatic elastase 9004-06-2 —— ——
差向异构酶 aldose 1-epimerase 182938-11-0 —— ——
吡喃糖氧化酶 pyranose oxidase 37250-80-9 —— ——
乳酸脱氢酶 D-lactate dehydrogenase 9028-36-8 —— ——
乳酸氧化酶 lactate 2-monooxygenase 9028-72-2 —— ——
乙醛脱氢酶 aldehyde dehydrogenase [NAD(P)+] 9028-88-0 —— ——
乙醇脱氢酶 alcohol dehydrogenase 9031-72-5 —— ——
乙酰肉碱转移酶 carnitine O-acetyltransferase 9029-90-7 —— ——
丙酮酸激酶 pyruvate kinase 9001-59-6 —— ——
丙酮酸氧化酶 pyruvate oxidase 9001-96-1 —— ——
β-半乳糖苷酶 β-D-galactopyranoside 7296-64-2 C6H12O6
β-半乳糖苷酶
β-N-乙酰基氨基己糖酶 beta-N-acetylhexosaminidase 9027-52-5 —— ——
beta-烟酰胺腺嘌呤二核苷二钠 NADH, disodium salt hydrate 606-68-8 C21H29N7Na2O14P2
beta-烟酰胺腺嘌呤二核苷二钠
L-天冬酰氨酶 asparaginase 9015-68-3 —— ——
D-酰化氨基酸水解酶 N-acyl-D-amino-acid deacylase 65979-42-2 —— ——
D-果糖脱氢酶 fructose 5-dehydrogenase 37250-85-4 —— ——
CarbonicAnhydrase来源于牛红细胞 carbonic anhydrase 9001-03-0 —— ——
BUTYRYLCHOLINESTERASE来源于人类血清 cholinesterase 9001-08-5 —— ——
BETA-烟酰胺腺嘌呤双核苷酸 3'-NADPH 50443-29-3 C21H30N7NaO17P3
BETA-烟酰胺腺嘌呤双核苷酸
4-羟基苯甲酰基-辅酶 A S-4-hydrohybenzoyl coenzyme A 27718-41-8 C28H40N7O18P3S
4-羟基苯甲酰基-辅酶 A
—— Antilysin 9087-70-1 C284H432N84O79S7
Antilysin
—— [[(2R,3S,4S,5R)-5-(6-aminopurin-9-yl)-4-hydroxy-3-phosphonooxyoxolan-2-yl]methoxy-hydroxyphosphoryl] [(3R)-3-hydroxy-2,2-dimethyl-4-oxo-4-[[3-oxo-3-(2-sulfanylethylamino)propyl]amino]butyl] hydrogen phosphate 85-61-0 C21H36N7O16P3S
[[(2R,3S,4S,5R)-5-(6-aminopurin-9-yl)-4-hydroxy-3-phosphonooxyoxolan-2-yl]methoxy-hydroxyphosphoryl] [(3R)-3-hydroxy-2,2-dimethyl-4-oxo-4-[[3-oxo-3-(2-sulfanylethylamino)propyl]amino]butyl] hydrogen phosphate
—— [[(2R,3R,4R,5R)-5-(6-aminopurin-9-yl)-4-hydroxy-3-phosphonooxyoxolan-2-yl]methoxy-hydroxyphosphoryl] [(3R)-3-hydroxy-2,2-dimethyl-4-oxo-4-[[3-oxo-3-(2-sulfanylethylamino)propyl]amino]butyl] hydrogen phosphate 85-61-0 C21H36N7O16P3S
[[(2R,3R,4R,5R)-5-(6-aminopurin-9-yl)-4-hydroxy-3-phosphonooxyoxolan-2-yl]methoxy-hydroxyphosphoryl] [(3R)-3-hydroxy-2,2-dimethyl-4-oxo-4-[[3-oxo-3-(2-sulfanylethylamino)propyl]amino]butyl] hydrogen phosphate
—— Beta-nicotinamide adenine dinucleotide phosphate tetrasodium salt (reduced form) 2646-71-1 C21H34N7Na4O21P3
Beta-nicotinamide adenine dinucleotide phosphate tetrasodium salt (reduced form)
—— disodium;1-[(2R,3R,4S,5R)-5-[[[[(2R,3R,4R,5R)-5-(6-aminopurin-9-yl)-3-hydroxy-4-[hydroxy(oxido)phosphoryl]oxyoxolan-2-yl]methoxy-oxidophosphoryl]oxy-hydroxyphosphoryl]oxymethyl]-3,4-dihydroxyoxolan-2-yl]pyridin-1-ium-3-carboximidate 24292-60-2 C21H26N7Na2O17P3
disodium;1-[(2R,3R,4S,5R)-5-[[[[(2R,3R,4R,5R)-5-(6-aminopurin-9-yl)-3-hydroxy-4-[hydroxy(oxido)phosphoryl]oxyoxolan-2-yl]methoxy-oxidophosphoryl]oxy-hydroxyphosphoryl]oxymethyl]-3,4-dihydroxyoxolan-2-yl]pyridin-1-ium-3-carboximidate
—— Lysozyme (chicken egg white) 9001-63-2 C99H159N37O23
Lysozyme (chicken egg white)
—— (Z)-N-(3-methyl-1,1-dioxo-1,4-thiazinan-4-yl)-1-(5-nitrofuran-2-yl)methanimine 23256-30-6 C10H13N3O5S
(Z)-N-(3-methyl-1,1-dioxo-1,4-thiazinan-4-yl)-1-(5-nitrofuran-2-yl)methanimine
—— nifurtimox 39072-15-6 C10H13N3O5S
nifurtimox
—— H-D-Arg-Pro-D-Asp-Phe-D-Cys(1)-D-Leu-Glu-D-Pro-Pro-D-Tyr-D-Thr-Gly-Pro-D-Cys(2)-Lys-D-Ala-Arg-Ile-D-Ile-D-Arg-D-Tyr-Phe-D-Tyr-Asn-D-Ala-Lys-D-Ala-Gly-D-Leu-D-Cys(3)-Gln-Thr-Phe-D-Val-Tyr-Gly-Gly-D-Cys(2)-Arg-D-Ala-Lys-Arg-D-Asn-Asn-D-Phe-Lys-D-Ser-Ala-D-Glu-Asp-D-Cys(3)-Met-D-Arg-Thr-Cys(1)-Gly-Gly-D-Ala-OH 9087-70-1 C284H432N84O79S7
H-D-Arg-Pro-D-Asp-Phe-D-Cys(1)-D-Leu-Glu-D-Pro-Pro-D-Tyr-D-Thr-Gly-Pro-D-Cys(2)-Lys-D-Ala-Arg-Ile-D-Ile-D-Arg-D-Tyr-Phe-D-Tyr-Asn-D-Ala-Lys-D-Ala-Gly-D-Leu-D-Cys(3)-Gln-Thr-Phe-D-Val-Tyr-Gly-Gly-D-Cys(2)-Arg-D-Ala-Lys-Arg-D-Asn-Asn-D-Phe-Lys-D-Ser-Ala-D-Glu-Asp-D-Cys(3)-Met-D-Arg-Thr-Cys(1)-Gly-Gly-D-Ala-OH
—— (4-nitrophenyl)methyl (4R,5S,6S)-6-[(1R)-1-hydroxyethyl]-4-methyl-7-oxo-3,4-diphenoxy-5-phosphonooxy-1-azabicyclo[3.2.0]hept-2-ene-2-carboxylate 39450-01-6 C29H27N2O12P
(4-nitrophenyl)methyl (4R,5S,6S)-6-[(1R)-1-hydroxyethyl]-4-methyl-7-oxo-3,4-diphenoxy-5-phosphonooxy-1-azabicyclo[3.2.0]hept-2-ene-2-carboxylate
—— Succinyl coenzyme A sodium salt 108347-97-3 C25H38N7O19P3S-2
Succinyl coenzyme A sodium salt
—— beta-Nicotinamide adenine dinucleotide reduced disodium salt trihydrate 606-68-8 C21H33N7Na2O17P2
beta-Nicotinamide adenine dinucleotide reduced disodium salt trihydrate
—— NADP<sup>+</sup> monosodium salt 1184-16-3 C21H27N7O17P3*Na
NADP<sup>+</sup> monosodium salt
—— IGS2.7 1579991-01-7 C16H10ClF3N2OS
IGS2.7
—— 18534-66-2 C62H89CoN13O14P
—— NADPH(4-) 2646-71-1 C21H26N7O17P3-4
NADPH(4-)
—— Enterobacter ribonuclease 9001-99-4 —— ——
—— AMP deaminase 9025-10-9 —— ——
—— lysostaphin 9011-93-2 —— ——
—— neutrophil collagenase 9001-12-1 —— ——
—— microbial collagenase 9001-12-1 —— ——
—— interstitial collagenase 9001-12-1 —— ——
—— aspergillopepsin II 9025-49-4 —— ——