Citation: Jun YAO, Yi LIU, Tian Zhi WANG, Jian Ben LIU, Peng LIU, Zi Niu YU. Microcalorimetric Study on Tyrosine Oxidation Catalyzed by Tyrosinase[J]. Chinese Chemical Letters, ;2003, 14(6): 619-622. shu

Microcalorimetric Study on Tyrosine Oxidation Catalyzed by Tyrosinase

Jun YAO ^1,3, ,
Yi LIU ² ,
Tian Zhi WANG ² ,
Jian Ben LIU ³ ,
Peng LIU ² ,
Zi Niu YU ¹

1.
Key Laboratory of Microbiology of Chinese Agricultural Ministry, Huazhong Agricultural University, Wuhan 430070;
2.
College of Chemistry and Molecular Science, Wuhan University, Wuhan 430072;
3.
College of Life Science and Chemistry, Jishou University, Jishou 416000

Received Date: 25 July 2002

Fund Project: This work were supported by the National Natural Science Foundation of China (No. 30170010, 29973030), and The Teaching and Research Award Program for Outstanding Young Professors in High Education Institute, MOE, China (2001).

Through the method of initial heat release rate, the kinetic property of tyrosine oxidationcatalyzed by tyrosinase from Pseudomonas maltophilia was investigated using a LKB-2107 batchmicrocalorimeter. Tyrosine was catalyzed and oxidized into L-dopa, then into melanin catalyzed bytyrosinase. We found that the tyrosinase reaction obeyed the Michaelis-Menten kinetics, and at298.15K and pH 7.0, the initial exothermic rate (Ω₀) are in the range of0.1567~0.5704 mJ·s^-1, the maximum exothermic rate (Ω_max) are in 0.4152~0.8143mol·L^-1, and mean value of the Michaelisconstant (K_m) is 2.199±0.105×10⁴ mol·L^-1.
- Tyrosine,
- tyrosinase-catalyzed oxidation reaction,
- microcalorimetry,
- thermokinetics
1. [1]
  Yi Zhang , Biao Wang , Chao Hu , Muhammad Humayun , Yaping Huang , Yulin Cao , Mosaad Negem , Yigang Ding , Chundong Wang . Fe–Ni–F electrocatalyst for enhancing reaction kinetics of water oxidation. Chinese Journal of Structural Chemistry, 2024, 43(2): 100243-100243. doi: 10.1016/j.cjsc.2024.100243
2. [2]
  Xiao Li , Wanqiang Yu , Yujie Wang , Ruiying Liu , Qingquan Yu , Riming Hu , Xuchuan Jiang , Qingsheng Gao , Hong Liu , Jiayuan Yu , Weijia Zhou . Metal-encapsulated nitrogen-doped carbon nanotube arrays electrode for enhancing sulfion oxidation reaction and hydrogen evolution reaction by regulating of intermediate adsorption. Chinese Chemical Letters, 2024, 35(8): 109166-. doi: 10.1016/j.cclet.2023.109166
3. [3]
  Zhen Liu , Zhi-Yuan Ren , Chen Yang , Xiangyi Shao , Li Chen , Xin Li . Asymmetric alkenylation reaction of benzoxazinones with diarylethylenes catalyzed by B(C₆F₅)₃/chiral phosphoric acid. Chinese Chemical Letters, 2024, 35(5): 108939-. doi: 10.1016/j.cclet.2023.108939
4. [4]
  Yiqian Jiang , Zihan Yang , Xiuru Bi , Nan Yao , Peiqing Zhao , Xu Meng . Mediated electron transfer process in α-MnO₂ catalyzed Fenton-like reaction for oxytetracycline degradation. Chinese Chemical Letters, 2024, 35(8): 109331-. doi: 10.1016/j.cclet.2023.109331
5. [5]
  Yi-Fan Wang , Hao-Yun Yu , Hao Xu , Ya-Jie Wang , Xiaodi Yang , Yu-Hui Wang , Ping Tian , Guo-Qiang Lin . Rhodium(Ⅲ)-catalyzed diastereo- and enantioselective hydrosilylation/cyclization reaction of cyclohexadienone-tethered α, β-unsaturated aldehydes. Chinese Chemical Letters, 2024, 35(9): 109520-. doi: 10.1016/j.cclet.2024.109520
6. [6]
  Shuai Zhu , Mingjie Chen , Haichao Shen , Hanming Ding , Wenbo Li , Junliang Zhang . Palladium/Xu-Phos-catalyzed enantioselective arylalkoxylation reaction of γ-hydroxyalkenes at room temperature. Chinese Chemical Letters, 2024, 35(11): 109879-. doi: 10.1016/j.cclet.2024.109879
7. [7]
  Hongliang Zeng , Yuan Ji , Jinfeng Wen , Xu Li , Tingting Zheng , Qiu Jiang , Chuan Xia . Pt nanocluster-catalyzed hydrogen evolution reaction: Recent advances and future outlook. Chinese Chemical Letters, 2025, 36(3): 109686-. doi: 10.1016/j.cclet.2024.109686
8. [8]
  Huixin Chen , Chen Zhao , Hongjun Yue , Guiming Zhong , Xiang Han , Liang Yin , Ding Chen . Unraveling the reaction mechanism of high reversible capacity CuP₂/C anode with native oxidation PO_x component for sodium-ion batteries. Chinese Chemical Letters, 2025, 36(1): 109650-. doi: 10.1016/j.cclet.2024.109650
9. [9]
  Xinghui Yao , Zhouyu Wang , Da-Gang Yu . Sustainable electrosynthesis: Enantioselective electrochemical Rh(III)/chiral carboxylic acid-catalyzed oxidative CH cyclization coupled with hydrogen evolution reaction. Chinese Chemical Letters, 2024, 35(9): 109916-. doi: 10.1016/j.cclet.2024.109916
10. [10]
  Jian Han , Li-Li Zeng , Qin-Yu Fei , Yan-Xiang Ge , Rong-Hui Huang , Fen-Er Chen . Recent advances in remote C(sp³)–H functionalization via chelating group-assisted metal-catalyzed chain-walking reaction. Chinese Chemical Letters, 2024, 35(11): 109647-. doi: 10.1016/j.cclet.2024.109647
11. [11]
  Wenjing Dai , Lan Luo , Zhen Yin . Interface reconstruction of hybrid oxide electrocatalysts for seawater oxidation. Chinese Journal of Structural Chemistry, 2025, 44(3): 100442-100442. doi: 10.1016/j.cjsc.2024.100442
12. [12]
  Zhenkang Ai , Hui Chen , Xuebin Liao . Nickel-catalyzed decarboxylative difluoromethylation and alkylation of alkenes. Chinese Chemical Letters, 2025, 36(3): 109954-. doi: 10.1016/j.cclet.2024.109954
13. [13]
  Gang Hu , Chun Wang , Qinqin Wang , Mingyuan Zhu , Lihua Kang . The controlled oxidation states of the H₄PMo₁₁VO₄₀ catalyst induced by plasma for the selective oxidation of methacrolein. Chinese Chemical Letters, 2025, 36(2): 110298-. doi: 10.1016/j.cclet.2024.110298
14. [14]
  Yang Yang , Jing-Li Luo , Xian-Zhu Fu . Water-oxidation intermediates enabling electrochemical propylene epoxidation. Chinese Journal of Structural Chemistry, 2024, 43(5): 100269-100269. doi: 10.1016/j.cjsc.2024.100269
15. [15]
  Gu Gong , Mengzhu Li , Ning Sun , Ting Zhi , Yuhao He , Junan Pan , Yuntao Cai , Longlu Wang . Versatile oxidized variants derived from TMDs by various oxidation strategies and their applications. Chinese Chemical Letters, 2024, 35(6): 108705-. doi: 10.1016/j.cclet.2023.108705
16. [16]
  Erzhuo Cheng , Yunyi Li , Wei Yuan , Wei Gong , Yanjun Cai , Yuan Gu , Yong Jiang , Yu Chen , Jingxi Zhang , Guangquan Mo , Bin Yang . Galvanostatic method assembled ZIFs nanostructure as novel nanozyme for the glucose oxidation and biosensing. Chinese Chemical Letters, 2024, 35(9): 109386-. doi: 10.1016/j.cclet.2023.109386
17. [17]
  Zhipeng Wan , Hao Xu , Peng Wu . Selective oxidation using in-situ generated hydrogen peroxide over titanosilicates. Chinese Journal of Structural Chemistry, 2024, 43(6): 100298-100298. doi: 10.1016/j.cjsc.2024.100298
18. [18]
  Huangjie Lu , Yingzhe Du , Peng Lin , Jian Lin . Separation of americium from lanthanides based on oxidation state control. Chinese Journal of Structural Chemistry, 2024, 43(10): 100344-100344. doi: 10.1016/j.cjsc.2024.100344
19. [19]
  Xian Yan , Huawei Xie , Gao Wu , Fang-Xing Xiao . Boosted solar water oxidation steered by atomically precise alloy nanocluster. Chinese Chemical Letters, 2025, 36(1): 110279-. doi: 10.1016/j.cclet.2024.110279
20. [20]
  Qinwei Lu , Jinjie Lu , Juying Lei , Xubiao Luo , Yanbo Zhou . Cyclodextrin-boosted photocatalytic oxidation for efficient bisphenol A removal. Chinese Chemical Letters, 2025, 36(3): 110017-. doi: 10.1016/j.cclet.2024.110017

Get Citation

PDF

XML

Metrics

PDF Downloads(0)
Abstract views(606)
HTML views(18)

通讯作者: 陈斌, bchen63@163.com

1.
沈阳化工大学材料科学与工程学院沈阳 110142

Address：Zhongguancun North First Street 2,100190 Beijing, PR China Tel: +86-010-82449177-888

DownLoad: Full-Size Img PowerPoint

Return