Chinese Journal of Catalysis ›› 2025, Vol. 72: 4-23.DOI: 10.1016/S1872-2067(25)64659-6
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Wenjin Pana,1, Xinlong Fana,1, Wantong Jiangb, Sirui Xinc, Ningzhi Wangd, Qian Wange, Keyang Yua, Xinkun Rena,*()
Received:
2024-11-05
Accepted:
2025-01-14
Online:
2025-05-18
Published:
2025-05-20
Contact:
*E-mail: xinkunren@nju.edu.cn (X. Ren).
About author:
Xinkun Ren (College of Engineering and Applied Sciences, Nanjing University) received his B.A. degree from Kuang Yaming Honors School, Nanjing University (P. R. China) in 2012, and Ph.D. degree from University of Oxford (United Kingdom) in 2018. He carried out his Postdoctoral research at University of Rochester from 2018 to the end of 2021. Since then, he has been working in College of Engineering of Applied Sciences (P. R. China). He is a recipient of the National Natural Science Foundation's Overseas Outstanding Youth Program (2022) and Distinguished Young Scholar of Natural Science Foundation of Jiangsu Province (2023). His current research focuses on new synthetic strategies, mechanisms, and applications of biocatalysts, aiming to overcome the limitations of natural evolution. He has published more than 20 peer-reviewed papers and served as primary inventor in filling over 40 invention patents.Supported by:
Wenjin Pan, Xinlong Fan, Wantong Jiang, Sirui Xin, Ningzhi Wang, Qian Wang, Keyang Yu, Xinkun Ren. Engineering metalloenzymes for new-to-nature carbene and nitrene transfer biocatalysis[J]. Chinese Journal of Catalysis, 2025, 72: 4-23.
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URL: https://www.cjcatal.com/EN/10.1016/S1872-2067(25)64659-6
Entry | Carbene Donor | Carbene Acceptor | Enzyme Variant | Product | Conversion (concentration) | Cis:trans | Ee a (%) | TON | Ref. b |
---|---|---|---|---|---|---|---|---|---|
1 | ![]() | ![]() | P411BM3-CIS | ![]() | 72% (170 mmol/L) | 90:10 | 99 | 67800 | [ |
2 | ![]() | ![]() | Mb H64V/V68A | ![]() | 99% (200 mmol/L) | 0.05:99.95 | 99.9 | 10000 | [ |
3 | ![]() | ![]() | Mb RR5 | ![]() | 53% (10 mmol/L) | 0.5:99.5 | 95 | 265 | [ |
4 | ![]() | ![]() | Mb H64V/V68A | ![]() | 99% (30 mmol/L) | 0.05:99.95 | 99.9 | 500 | [ |
5 | ![]() | ![]() | Mb RR2 | ![]() | 92% (30 mmol/L) | 0.05:99.5 | 99.9 | 1110 | [ |
6 | ![]() | ![]() | ApePgb W59L/Y60Q | ![]() | 30% (10 mmol/L) | 97:3 | 89 | 560 | [ |
7 | ![]() | ![]() | Mb H64V/V68A | ![]() | 85% (30 mmol/L) | 0.05:99.95 | 99.9 | 5600 | [ |
8 | ![]() | ![]() | P411-G8S | ![]() | ~45% (10 mmol/L) | 0.5:99.5 | 98.3 | 3090 | [ |
9 | ![]() | ![]() | Mb H64G/V68A | ![]() | 99% (2.5 mmol/L) | 0.5:99.5 | 99 | 250 | [ |
10 | ![]() | ![]() | ApePgb GLAVRSQLL | ![]() | 53% (10 mmol/L) | 6.9:1 | 60 | 106 | [ |
11 | ![]() | ![]() | Mb H64G/V68A | ![]() | 99% (10 mmol/L) | 0.5:99.5 | 99 | 250 | [ |
12 | ![]() | ![]() | Mb RR4 | ![]() | 96% (5 mmol/L) | 0.5:99.5 | 99 | 92 | [ |
13 | ![]() | ![]() | Mb H64V/V68A | ![]() | 98% (10 mmol/L) | 2:98 | 98 | 490 | [ |
14 | ![]() | ![]() | Mb VVVF | ![]() | 73% (10 mmol/L) | 2:98 | 96 | 365 | [ |
Table 1 Comparison of intermolecular biocatalytic cyclopropanation reactions with key carbene donors and acceptors.
Entry | Carbene Donor | Carbene Acceptor | Enzyme Variant | Product | Conversion (concentration) | Cis:trans | Ee a (%) | TON | Ref. b |
---|---|---|---|---|---|---|---|---|---|
1 | ![]() | ![]() | P411BM3-CIS | ![]() | 72% (170 mmol/L) | 90:10 | 99 | 67800 | [ |
2 | ![]() | ![]() | Mb H64V/V68A | ![]() | 99% (200 mmol/L) | 0.05:99.95 | 99.9 | 10000 | [ |
3 | ![]() | ![]() | Mb RR5 | ![]() | 53% (10 mmol/L) | 0.5:99.5 | 95 | 265 | [ |
4 | ![]() | ![]() | Mb H64V/V68A | ![]() | 99% (30 mmol/L) | 0.05:99.95 | 99.9 | 500 | [ |
5 | ![]() | ![]() | Mb RR2 | ![]() | 92% (30 mmol/L) | 0.05:99.5 | 99.9 | 1110 | [ |
6 | ![]() | ![]() | ApePgb W59L/Y60Q | ![]() | 30% (10 mmol/L) | 97:3 | 89 | 560 | [ |
7 | ![]() | ![]() | Mb H64V/V68A | ![]() | 85% (30 mmol/L) | 0.05:99.95 | 99.9 | 5600 | [ |
8 | ![]() | ![]() | P411-G8S | ![]() | ~45% (10 mmol/L) | 0.5:99.5 | 98.3 | 3090 | [ |
9 | ![]() | ![]() | Mb H64G/V68A | ![]() | 99% (2.5 mmol/L) | 0.5:99.5 | 99 | 250 | [ |
10 | ![]() | ![]() | ApePgb GLAVRSQLL | ![]() | 53% (10 mmol/L) | 6.9:1 | 60 | 106 | [ |
11 | ![]() | ![]() | Mb H64G/V68A | ![]() | 99% (10 mmol/L) | 0.5:99.5 | 99 | 250 | [ |
12 | ![]() | ![]() | Mb RR4 | ![]() | 96% (5 mmol/L) | 0.5:99.5 | 99 | 92 | [ |
13 | ![]() | ![]() | Mb H64V/V68A | ![]() | 98% (10 mmol/L) | 2:98 | 98 | 490 | [ |
14 | ![]() | ![]() | Mb VVVF | ![]() | 73% (10 mmol/L) | 2:98 | 96 | 365 | [ |
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