Chinese Journal of Catalysis ›› 2025, Vol. 69: 35-51.DOI: 10.1016/S1872-2067(24)60206-8
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Yiping Jianga,1, Zaw Ko Lattb,1, Zhiqi Conga,*()
Received:
2024-09-29
Accepted:
2024-12-02
Online:
2025-02-18
Published:
2025-02-10
Contact:
E-mail: About author:
Prof. Cong Zhiqi (Qingdao Institute of Bioenergy and Bioprocess Technology, Chinese Academy of Sciences) received his Ph.D. degree in Organic Chemistry from Kumamoto University, Japan, in 2009. From 2009 to 2016, he engaged in scientific research at the Institute for Molecular Science in Japan and Nagoya University. Since 2016, he has been a full professor and group leader at the current institute. He is Qingdao Innovative Leading Talent (2018) and Taishan Scholar of Shandong Province (2024). His research focuses on protein engineering, enzyme catalysis, and synthetic biology. He has firstly proposed the concepts of dual-functional small molecule (DFSM) and H2O2 tunnel engineering, successfully converting P450 monooxygenases to peroxizymes with high catalytic efficiencies. He has published over 50 peer-reviewed papers and holds 8 authorized patents.1Contributed equally to this work.
Supported by:
Yiping Jiang, Zaw Ko Latt, Zhiqi Cong. Catalytic performances of engineered and artificial heme peroxygenases[J]. Chinese Journal of Catalysis, 2025, 69: 35-51.
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URL: https://www.cjcatal.com/EN/10.1016/S1872-2067(24)60206-8
Fig. 2. Active sites of UPO from) Agrocybe aegerita (PDB ID: 2YP1) (A and Marasmius rotula (PDB ID: 5FUJ) (B). The hydrogen bonds and measured distances (?) are drawn by dashed lines in yellow and black, respectively. The acid-base pairs and heme are shown as stick models in white and magenta, respectively.
Fig. 8. Structural alignment of PaDa-I (PDB ID: 5OXU, colored in white) and Fett (PDB ID: 7PN6, colored in yellow). The heme cavity is narrowed by introducing a bulky leucine residue. The cavities are shown as surface models.
Fig. 10. Active sites of P450SPα in complex with Palmitic acid (PDB ID: 3AWM) (A) and (R)-ibuprofen (PDB ID: 3VM4) (B). The hydrogen bonds and measured distances (?) are drawn by dashed lines in yellow and black, respectively. The substrate, decoy molecule, and heme are shown as stick models in green, yellow and magenta, respectively.
Fig. 13. Active sites of P450BSβ mutants in complex with Palmitic acid (PDB ID: 7WYG) (A) and Palmitoleic acid (PDB ID: 8HKD) (B). The hydrogen bonds and measured distances (?) are drawn by dashed lines in yellow and black, respectively. The substrate and heme are shown as stick models in green and magenta, respectively.
Fig. 14. Active site of CYP199A4 in complex with 4-methoxybenzoic acid (PDB ID: 7REH). The hydrogen bonds and measured distances (?) are drawn by dashed lines in yellow and black, respectively. The substrate and heme are shown as stick models in green and magenta, respectively.
Fig. 15. (A) The conceptual graph of DFSM-facilitated P450 peroxygenase. The DFSM is fixed at the specific site of P450 enzyme by the anchoring group, while the catalytic group is responsible for H2O2 activation. (B) The chemical structure of Im-C6-Phe. The anchoring and catalytic groups are labelled as green rectangle and magenta circle, respectively.
Fig. 20. Active site of the P450BM3 mutants in complex with DFSMs. (A) Toluene (PDB ID: 7YDB); (B) ethylbenzene (PDB ID: 7YD9); (C) propylbenzene (PDB ID: 7YDD); (D) indane (PDB ID: 7YFT). DFSMs, heme and alkylbenzenes are shown as stick models in yellow, magenta, and cyan, respectively.
Fig. 21. The evolution of novel DFSMs and their catalytic performances. (A) The idea of evolving dipeptide based novel artificial cofactor. (B) Hydrogen-bonding networks and hydrophobic interactions between the enzyme and Im-C6-Phe-Phe. The hydrophobic binding pocket is denoted as stick and surface models colored in white. The hydrogen bonds and measured distances are shown by dashed lines in yellow and black, respectively. (C) The chemical structures of novel DFSMs. Each DFSM contains a catalytic base (imidazole, amine or pyridine) and a dipeptide-liked anchoring group (R1, R2: side chain of natural or unnatural amino acid). Binding affinity and reaction performance of novel DFSMs. (D) Binding affinity of representative novel DFSMs. (E) Concentration gradient experiments of representative DFSMs for styrene epoxidation reaction.
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