Chinese Journal of Catalysis ›› 2022, Vol. 43 ›› Issue (7): 1749-1760.DOI: 10.1016/S1872-2067(21)64002-0
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Yinchen Zhanga,b, Ning Niea,b, Yifei Zhanga,b,*(
)
Received:2021-10-14
Accepted:2021-12-14
Online:2022-07-18
Published:2022-05-20
Contact:
Yifei Zhang
Supported by:Yinchen Zhang, Ning Nie, Yifei Zhang. Toward modular construction of cell-free multienzyme systems[J]. Chinese Journal of Catalysis, 2022, 43(7): 1749-1760.
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URL: https://www.cjcatal.com/EN/10.1016/S1872-2067(21)64002-0
Fig. 1. Example of natural multienzyme modules. (a) A section view of pyruvate dehydrogenase complex. Reprinted with permission from Ref. [25]. Copyright 2001, National Academy of Sciences of the United States of America. (b) Schematic representation of cellulosome. CipA, cellulosome integrating protein A; OlpB, outer layer protein B; SLH, bacterial SLH domain (for S-layer homology). (c) A fluorescence image of purinosomes and the illustration of protein-protein interactions among purinosome proteins. ATIC, a bifunctional enzyme composed of aminoimidazolecarboxamide ribonucleotide transformylase and inosine monophosphate cyclohydrolase; ASL, adenylosuccinate lyase; PAICS, a bifunctional enzyme composed of carboxyaminoimidazole ribonucleotide synthase and succinoaminoimidazolecarboxamide ribonucleotide synthetase; FGAMS, formylglycinamidine ribonucleotide synthase; PPAT, phosphoribosylpyrophosphate amidotransferase; GARS, glycinamide ribonucleotide synthetase; AIRS, aminoimidazole ribonucleotide synthetase; TGART, a trifunctional enzyme composed of glycinamide ribonucleotide synthetase, GAR formyltransferase and aminoimidazole ribonucleotide synthetase; GAR Tfase, GAR transformylase. Reprinted with permission from Ref. [34]. Copyright 2013, Royal Society of Chemistry. (d) A non-ribosomal peptide synthtase for the production of surugamide A.
Fig. 2. Schematic representation of carbon metabolism pathways for hydrogen generation from biomass and the production of myo-inositol from starch. αGP, α-glucan phosphorylase; PGM, phosphoglucomutase; stav CDP, cellodextrin phosphorylase; CBP, cellobiose phosphorylase; PPGK, polyphosphate glucokinase; CTec2, Cellic CTec2 cellulase; XK, xylulokinase; IPS, inositol 1-phosphate synthase; IMP, inositol monophosphatase; G6PDH, glucose 6-phosphate dehydrogenase; 6PGDH, 6-phosphogluconate dehydrogenase; H2ase, hydrogenase; R5PI, ribose 5-phosphate isomerase; Ru5PE, ribulose 5-phosphate epimerase; TK, transketolase; TAL, transaldolase; TIM, triose phosphate isomerase; ALD, aldolase; FBP, fructose 1,6-bisphosphate; PGI, phosphoglucose isomerase.
Fig. 3. An artificial starch anabolic pathway (ASAP) that can produce starch from CO2 and H2. The pathway consists of four modules: C1, C3, C6 and Cn modules (individually colored). aox, alcohol oxidase; fls, formolase; dak, dihydroxyacetone kinase; tpi, triosephosphate isomerase; fba, fructose-1,6-bisphosphate aldolase; fbp, fructose-bisphosphatase; pgi, phosphoglucose isomerase; pgm, phosphoglucomutase; agp, ADP-glucose pyrophosphorylase; ss, starch synthase; ppa, pyrophosphatase; ppk, polyphosphate kinase. Reprinted with permission from Ref. [53]. Copyright 2021, AAAS.
Fig. 4. A platform for glycosylation pathway assembly by rapid in vitro mixing and expression (GlycoPRIME). GTs, glycosyltransferases; ApNGT, the N-linked glycosyltranferase from A. pleuropneumoniae. Reprinted with permission from Ref. [55]. Copyright 2019, Nature Publishing Group.
Fig. 5. Reprogramming NRPS systems with DNA scaffolds. (a) Gramicidin S is synthesized by two NRPS enzymes, designated GrsA and GrsB. (b) Assembling individual modules of GrsB on DNA templates can successfully produce the precursor of Gramicidin S, fPVOL.
Fig. 6. Reactor-level modularization of multienzyme systems. (a) The continuous flow system can produce a series of amines through different packed bed modules. Reprinted with permission from Ref. [92]. Copyright 2021, Wiley-VCH. (b) A three-enzyme cascade capillary bioreactor for digestion of genomic DNA strands. SVP, snake venom phosphodiesterase; ALPase, alkaline phosphatase. Reprinted with permission from Ref. [93]. Copyright 2018, American Chemical Society.
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