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Host protein

6-Phospho-gluconolactonase (6-PGLac) A2A adenosine receptor Adipocyte lipid binding protein (ALBP) Antibody Antibody 03-1 Antibody 12E11G Antibody 13G10 Antibody 13G10 / 14H7 Antibody 14H7 Antibody 1G8 Antibody 28F11 Antibody 38C2 Antibody 3A3 Antibody 7A3 Antibody7G12-A10-G1-A12 Antibody L-chain from Mab13-1 hybridoma cells Antibody SN37.4 Apo-[Fe]-hydrogenase from M. jannaschii Apo-ferritin Apo-HydA1 ([FeFe]-hydrogenase) from C. reinhardtii Apo-HydA enzymes from C. reinhardtii, M. elsdenii, C. pasteurianum Artificial construct Avidin (Av) Azurin Binding domain of Rabenosyn (Rab4) Bovine carbonic anhydrase (CA) Bovine carbonic anhydrase II (CA) Bovine serum albumin (BSA) Bovine β-lactoglobulin (βLG) Bromelain Burkavidin C45 (c-type cytochrome maquette) Carbonic anhydrase (CA) Carboxypeptidase A Catabolite activator protein (CAP) CeuE C-terminal domain of calmodulin Cutinase Cytochrome b562 Cytochrome BM3h Cytochrome c Cytochrome c552 Cytochrome cb562 Cytochrome c peroxidase Cytochrome P450 (CYP119) Domain of Hin recombinase Due Ferro 1 E. coli catabolite gene activator protein (CAP) [FeFe]-hydrogenase from C. pasteurianum (CpI) Ferredoxin (Fd) Ferritin FhuA FhuA ΔCVFtev Flavodoxin (Fld) Glyoxalase II (Human) (gp27-gp5)3 gp45 [(gp5βf)3]2 Heme oxygenase (HO) Hemoglobin Horse heart cytochrome c Horseradish peroxidase (HRP) Human carbonic anhydrase Human carbonic anhydrase II (hCAII) Human retinoid-X-receptor (hRXRa) Human serum albumin (HSA) HydA1 ([FeFe]-hydrogenase) from C. reinhardtii IgG 84A3 Laccase Lipase B from C. antarctica (CALB) Lipase from G. thermocatenulatus (GTL) LmrR Lysozyme Lysozyme (crystal) Mimochrome Fe(III)-S6G(D)-MC6 (De novo designed peptide) Mouse adenosine deaminase Myoglobin (Mb) Neocarzinostatin (variant 3.24) NikA Nitrobindin (Nb) Nitrobindin variant NB4 Nuclease from S. aureus Papain (PAP) Photoactive Yellow Protein (PYP) Photosystem I (PSI) Phytase Prolyl oligopeptidase (POP) Prolyl oligopeptidase (POP) from P. furiosus Rabbit serum albumin (RSA) Ribonuclease S RNase A Rubredoxin (Rd) Silk fibroin fibre Small heat shock protein from M. jannaschii ß-lactoglobulin Staphylococcal nuclease Steroid Carrier Protein 2L (SCP 2L) Sterol Carrier Protein (SCP) Streptavidin (monmeric) Streptavidin (Sav) Thermolysin Thermosome (THS) tHisF TM1459 cupin TRI peptide Trypsin Tryptophan gene repressor (trp) Xylanase A (XynA) Zn8:AB54 Zn8:AB54 (mutant C96T) α3D peptide α-chymotrypsin β-lactamase β-lactoglobulin (βLG)

Corresponding author

Akabori, S. Alberto, R. Albrecht, M. Anderson, J. L. R. Apfel, U.-P. Arnold, F. H. Artero, V. Bäckvall, J. E. Baker, D. Ball, Z. T. Banse, F. Berggren, G. Bian, H.-D. Birnbaum, E. R. Borovik, A. S. Bren, K. L. Bruns, N. Brustad, E. M. Cardona, F. Case, M. A. Cavazza, C. Chan, A. S. C. Coleman, J. E. Craik, C. S. Creus, M. Cuatrecasas, P. Darnall, D. W. DeGrado, W. F. Dervan, P. B. de Vries, J. Diéguez, M. Distefano, M. D. Don Tilley, T. Duhme-Klair, A. K. Ebright, R. H. Emerson, J. P. Eppinger, J. Fasan, R. Filice, M. Fontecave, M. Fontecilla-Camps, J. C. Fruk, L. Fujieda, N. Fussenegger, M. Gademann, K. Gaggero, N. Germanas, J. P. Ghattas, W. Ghirlanda, G. Golinelli-Pimpaneau, B. Goti, A. Gras, E. Gray, H. B. Green, A. P. Gross, Z. Gunasekeram, A. Happe, T. Harada, A. Hartwig, J. F. Hasegawa, J.-Y. Hayashi, T Hemschemeier, A. Herrick, R. S. Hilvert, D. Hirota, S. Huang, F.-P. Hureau, C. Hu, X. Hyster, T. K. Imanaka, T. Imperiali, B. Itoh, S. Janda, K. D. Jarvis, A. G. Jaussi, R. Jeschek, M. Kaiser, E. T. Kamer, P. C. J. Kazlauskas, R. J. Keinan, E. Khare, S. D. Kim, H. S. Kitagawa, S. Klein Gebbink, R. J. M. Kokubo, T. Korendovych, I. V. Kuhlman, B. Kurisu, G. Laan, W. Lee, S.-Y. Lehnert, N. Leow, T. C. Lerner, R. A. Lewis, J. C. Liang, H. Lindblad, P. Lin, Y.-W. Liu, J. Lombardi, A. Lubitz, W. Lu, Y. Maglio, O. Mahy, J.-P. Mangiatordi, G. F. Marchetti, M. Maréchal, J.-D. Marino, T. Marshall, N. M. Matile, S. Matsuo, T. McNaughton, B. R. Ménage, S. Messori, L. Mulfort, K. L. Nastri, F. Nicholas, K. M. Niemeyer, C. M. Nolte, R. J. M. Novič, M. Okamoto, Y. Okano, M. Okuda, J. Onoda, A. Oohora, K. Palomo, J. M. Pàmies, O. Panke, S. Pan, Y. Paradisi, F. Pecoraro, V. L. Pordea, A. Reetz, M. T. Reijerse, E. Renaud, J.-L. Ricoux, R. Rimoldi, I. Roelfes, G. Rovis, T. Sakurai, S. Salmain, M. Sasaki, T. Sauer, D. F. Schultz, P. G. Schwaneberg, U. Seelig, B. Shafaat, H. S. Shahgaldian, P. Sheldon, R. A. Shima, S. Sigman, D. S. Song, W. J. Soumillion, P. Strater, N. Sugiura, Y. Szostak, J. W. Tezcan, F. A. Thorimbert, S. Tiede, D. M. Tiller, J. C. Turner, N. J. Ueno, T. Utschig, L. M. van Koten, G. Wang, J. Ward, T. R. Watanabe, Y. Whitesides, G. M. Wilson, K. S. Woolfson, D. N. Yilmaz, F. Zhang, J.-L.

Journal

3 Biotech Acc. Chem. Res. ACS Catal. ACS Cent. Sci. ACS Sustainable Chem. Eng. Adv. Synth. Catal. Angew. Chem., Int. Ed. Appl. Biochem. Biotechnol. Appl. Organomet. Chem. Artificial Metalloenzymes and MetalloDNAzymes in Catalysis: From Design to Applications Beilstein J. Org. Chem. Biochemistry Biochim. Biophys. Acta, Bioenerg. Biochimie Bioconjug. Chem. Bioorg. Med. Chem. Bioorg. Med. Chem. Lett. Bioorganometallic Chemistry: Applications in Drug Discovery, Biocatalysis, and Imaging Biopolymers Biotechnol. Adv. Biotechnol. Bioeng. Can. J. Chem. Catal. Lett. Catal. Sci. Technol. Cat. Sci. Technol. ChemBioChem ChemCatChem Chem. Commun. Chem. Rev. Chem. Sci. Chem. Soc. Rev. Chem. - Eur. J. Chem. - Asian J. Chem. Lett. ChemistryOpen ChemPlusChem Chimia Commun. Chem. Comprehensive Inorganic Chemistry II Comprehensive Supramolecular Chemistry II C. R. Chim. Coordination Chemistry in Protein Cages: Principles, Design, and Applications Coord. Chem. Rev. Croat. Chem. Acta Curr. Opin. Biotechnol. Curr. Opin. Chem. Biol. Curr. Opin. Struct. Biol. Dalton Trans. Effects of Nanoconfinement on Catalysis Energy Environ. Sci. Eur. J. Biochem. Eur. J. Inorg. Chem. FEBS Lett. Helv. Chim. Acta Inorg. Chim. Acta Inorg. Chem. Int. J. Mol. Sci. Isr. J. Chem. J. Biol. Chem. J. Biol. Inorg. Chem. J. Immunol. Methods J. Inorg. Biochem. J. Mol. Catal. A: Chem. J. Mol. Catal. B: Enzym. J. Organomet. Chem. J. Phys. Chem. Lett. J. Porphyr. Phthalocyanines J. Protein Chem. J. Am. Chem. Soc. J. Chem. Soc. J. Chem. Soc., Chem. Commun. Methods Enzymol. Mol. Divers. Molecular Encapsulation: Organic Reactions in Constrained Systems Nature Nat. Catal. Nat. Chem. Biol. Nat. Chem. Nat. Commun. Nat. Protoc. Nat. Rev. Chem. New J. Chem. Org. Biomol. Chem. Plos ONE Proc. Natl. Acad. Sci. U. S. A. Process Biochem. Prog. Inorg. Chem. Prot. Eng. Protein Engineering Handbook Protein Expression Purif. Pure Appl. Chem. RSC Adv. Science Small Synlett Tetrahedron Tetrahedron: Asymmetry Tetrahedron Lett. Chem. Rec. Top. Catal. Top. Organomet. Chem. Trends Biotechnol.

8-Amino-5,6,7,8-tetrahydroquinoline in Iridium(III) Biotinylated Cp* Complex as Artificial Imine Reductase

Diamine ligands I–IV coordinated to an iridium metal complex with the biotin moiety anchored to the Cp* ring were investigated. This strategy, in contrast to the traditional biotin–streptavidin technology that uses a biotinylated ligand in the artificial imine reductase, is practical for envisaging how the enantiodiscrimination by different Streptavidin (Sav) mutants could influence the chiral environment of the metal cofactor. Only in the case of (R)-CAMPY IV did the chirality at the metal centre and the second coordination sphere environment, which was dictated by the host protein, operate in a synergistic way, producing better enantioselectivity at a S112M Sav catalyst/catalyst ratio of 1.0 : 2.5. Under these optimized conditions, the artificial imine reductase afforded a good enantiomeric excess (83%) in the asymmetric transfer hydrogenation of 6,7-dimethoxy-1-methyl-3,4-dihydroisoquinoline.

Metal:

Ir

Ligand type:

Cp*; Diamine

Host protein:

Streptavidin (Sav)

Anchoring strategy:

Supramolecular

Optimization:

Chemical & genetic

Max TON:

32

ee:

83

PDB:

---

Notes:

---

Metal:

Ir

Ligand type:

Cp*; Diamine

Host protein:

Streptavidin (Sav)

Anchoring strategy:

Supramolecular

Optimization:

Chemical & genetic

Max TON:

99

ee:

13

PDB:

---

Notes:

---

A Cell-Penetrating Artificial Metalloenzyme Regulates a Gene Switch in a Designer Mammalian Cell

Complementing enzymes in their native environment with either homogeneous or heterogeneous catalysts is challenging due to the sea of functionalities present within a cell. To supplement these efforts, artificial metalloenzymes are drawing attention as they combine attractive features of both homogeneous catalysts and enzymes. Herein we show that such hybrid catalysts consisting of a metal cofactor, a cell-penetrating module, and a protein scaffold are taken up into HEK-293T cells where they catalyze the uncaging of a hormone. This bioorthogonal reaction causes the upregulation of a gene circuit, which in turn leads to the expression of a nanoluc-luciferase. Relying on the biotin–streptavidin technology, variation of the biotinylated ruthenium complex: the biotinylated cell-penetrating poly(disulfide) ratio can be combined with point mutations on streptavidin to optimize the catalytic uncaging of an allyl-carbamate-protected thyroid hormone triiodothyronine. These results demonstrate that artificial metalloenzymes offer highly modular tools to perform bioorthogonal catalysis in live HEK cells.

Metal:

Ru

Ligand type:

Cp; Quinoline

Host protein:

Streptavidin (Sav)

Anchoring strategy:

Supramolecular

Optimization:

Genetic

Reaction:

Deallylation

Max TON:

33

ee:

---

PDB:

---

Notes:

---

A Designed Heme-[4Fe-4S] Metalloenzyme Catalyzes Sulfite Reduction like the Native Enzyme

Multielectron redox reactions often require multicofactor metalloenzymes to facilitate coupled electron and proton movement, but it is challenging to design artificial enzymes to catalyze these important reactions, owing to their structural and functional complexity. We report a designed heteronuclear heme-[4Fe-4S] cofactor in cytochrome c peroxidase as a structural and functional model of the enzyme sulfite reductase. The initial model exhibits spectroscopic and ligand-binding properties of the native enzyme, and sulfite reduction activity was improved—through rational tuning of the secondary sphere interactions around the [4Fe-4S] and the substrate-binding sites—to be close to that of the native enzyme. By offering insight into the requirements for a demanding six-electron, seven-proton reaction that has so far eluded synthetic catalysts, this study provides strategies for designing highly functional multicofactor artificial enzymes.

Metal:

Fe

Host protein:

Cytochrome c peroxidase

Anchoring strategy:

Dative

Optimization:

Chemical & genetic

Reaction:

Sulfite reduction

Max TON:

---

ee:

---

PDB:

---

Notes:

Designed heteronuclear heme-[4Fe-4S] cofactor in cytochrome c peroxidase

An Artificial Heme Enzyme for Cyclopropanation Reactions

Metal:

Fe

Ligand type:

Protoporphyrin IX

Host protein:

LmrR

Anchoring strategy:

Supramolecular

Optimization:

Chemical & genetic

Reaction:

Cyclopropanation

Max TON:

449

ee:

51

PDB:

6FUU

Notes:

---

An Artificial Metalloenzyme for Carbene Transfer Based on a Biotinylated Dirhodium Anchored Within Streptavidin

Metal:

Rh

Ligand type:

Carboxylate

Host protein:

Streptavidin (Sav)

Anchoring strategy:

Supramolecular

Optimization:

Chemical & genetic

Reaction:

Cyclopropanation

Max TON:

~60

ee:

---

PDB:

---

Notes:

Cyclopropanation reaction was also performed in the E. coli periplasm.

Metal:

Rh

Ligand type:

Carboxylate

Host protein:

Streptavidin (Sav)

Anchoring strategy:

Supramolecular

Optimization:

Chemical & genetic

Reaction:

C-H insertion

Max TON:

~60

ee:

---

PDB:

---

Notes:

---

A Noncanonical Proximal Heme Ligand Affords an Efficient Peroxidase in a Globin Fold

Metal:

Fe

Host protein:

Myoglobin (Mb)

Anchoring strategy:

Supramolecular

Optimization:

Chemical & genetic

Reaction:

Oxidation

Max TON:

~1650

ee:

---

PDB:

5OJ9

Notes:

Oxidation of amplex red

Artificial Heme Enzymes for the Construction of Gold-Based Biomaterials

Metal:

Fe

Ligand type:

Amino acid; Porphyrin

Anchoring strategy:

Covalent

Optimization:

Chemical & genetic

Reaction:

Oxidation

Max TON:

---

ee:

---

PDB:

---

Notes:

Immobilization of the ArM on gold surfaces via a lipoic acid anchor.

Artificial Metalloenzyme Design with Unnatural Amino Acids and Non-Native Cofactors

Review

Notes:

---

Artificial Metalloenzymes as Catalysts for Oxidative Lignin Degradation

Metal:

Fe

Anchoring strategy:

Cystein-maleimide

Optimization:

Chemical & genetic

Reaction:

Lignin oxidation

Max TON:

20

ee:

---

PDB:

---

Notes:

Reaction performed with a lignin model compound and hydrogen peroxide as oxidizing agent

Artificial Metalloenzymes for Hydrogenation and Transfer Hydrogenation Reactions

Review

Notes:

Book chapter

Artificial Metalloenzymes on the Verge of New-to-Nature Metabolism

Review

Notes:

---

Artificial Metalloenzymes: Reaction Scope and Optimization Strategies

Review

Notes:

---

Artificial Metalloproteins Containing Co4O4 Cubane Active Sites

Metal:

Co

Ligand type:

OAc; Pyridine

Host protein:

Streptavidin (Sav)

Anchoring strategy:

Supramolecular

Optimization:

Chemical & genetic

Max TON:

---

ee:

---

PDB:

6AUC

Notes:

Co-complex in Sav WT

Metal:

Co

Ligand type:

OAc; Pyridine

Host protein:

Streptavidin (Sav)

Anchoring strategy:

Supramolecular

Optimization:

Chemical & genetic

Max TON:

---

ee:

---

PDB:

6AUC

Notes:

Co-complex in Sav S112Y

A Whole Cell E. coli Display Platform for Artificial Metalloenzymes: Poly(phenylacetylene) Production with a Rhodium–Nitrobindin Metalloprotein

Metal:

Rh

Ligand type:

COD; Cp

Host protein:

Nitrobindin variant NB4

Anchoring strategy:

Cystein-maleimide

Optimization:

---

Max TON:

3046

ee:

---

PDB:

---

Notes:

Calculated in vivo TON assuming 12800 metalloenzymes per E. coli cell

Capture and Characterization of a Reactive Haem– Carbenoid Complex in an Artificial Metalloenzyme

Metal:

Fe

Host protein:

Myoglobin (Mb)

Anchoring strategy:

---

Optimization:

Genetic

Reaction:

Cyclopropanation

Max TON:

1000

ee:

99

PDB:

6F17

Notes:

Structure of the Mb*(NMH) haem-iron complex

Metal:

Fe

Host protein:

Myoglobin (Mb)

Anchoring strategy:

---

Optimization:

Genetic

Reaction:

Cyclopropanation

Max TON:

1000

ee:

99

PDB:

6F17

Notes:

Structure of the Mb*(NMH) haem-iron–carbenoid complex

Carbene in Cupredoxin Protein Scaffolds: Replacement of a Histidine Ligand in the Active Site Substantially Alters Copper Redox Properties

Metal:

Cu

Host protein:

Azurin

Anchoring strategy:

Dative

Optimization:

Chemical & genetic

Reaction:

Electron transfer

Max TON:

---

ee:

---

PDB:

---

Notes:

---

Chimeric Streptavidins as Host Proteins for Artificial Metalloenzymes

Metal:

Ir

Ligand type:

Cp*; Diamine

Host protein:

Streptavidin (Sav)

Anchoring strategy:

Supramolecular

Optimization:

Genetic

Max TON:

970

ee:

13

PDB:

---

Notes:

---

Metal:

Ir

Ligand type:

Cp*; Diamine

Host protein:

Streptavidin (Sav)

Anchoring strategy:

Supramolecular

Optimization:

Genetic

Max TON:

158

ee:

82

PDB:

---

Notes:

---

Metal:

Ru

Ligand type:

Carbene

Host protein:

Streptavidin (Sav)

Anchoring strategy:

Supramolecular

Optimization:

Genetic

Reaction:

Olefin metathesis

Max TON:

105

ee:

---

PDB:

---

Notes:

RCM, biotinylated Hoveyda-Grubbs second generation catalyst

Metal:

---

Host protein:

Streptavidin (Sav)

Anchoring strategy:

Supramolecular

Optimization:

Genetic

Reaction:

Anion-π catalysis

Max TON:

6

ee:

41

PDB:

---

Notes:

No metal

Design of Artificial Enzymes by Supramolecular Strategies

Review

Notes:

---

Development of De Novo Copper Nitrite Reductases: Where we are and where we need to go

Review

Notes:

---

Directed Evolution of an Artificial Imine Reductase

Metal:

Ir

Ligand type:

Amino-sulfonamide; Cp*

Host protein:

Streptavidin (Sav)

Anchoring strategy:

Supramolecular

Optimization:

Chemical & genetic

Max TON:

380

ee:

95

PDB:

6ESS

Notes:

Salsolidine formation; Sav mutant S112A-N118P-K121A-S122M: (R)-selective

Metal:

Ir

Ligand type:

Amino-sulfonamide; Cp*

Host protein:

Streptavidin (Sav)

Anchoring strategy:

Supramolecular

Optimization:

Chemical & genetic

Max TON:

220

ee:

85

PDB:

6ESS

Notes:

Salsolidine formation; Sav mutant S112R-N118P-K121A-S122M-L124Y: (S)-selective

Directed Evolution of Artificial Metalloenzymes: Bridging Synthetic Chemistry and Biology

Review

Notes:

Book chapter

E. coli Surface Display of Streptavidin for Directed Evolution of an Allylic Deallylase

Metal:

Ru

Ligand type:

Cp; Quinoline

Host protein:

Streptavidin (Sav)

Anchoring strategy:

Supramolecular

Optimization:

Genetic

Reaction:

Deallylation

Max TON:

148

ee:

---

PDB:

6FH8

Notes:

---

Engineered Metalloenzymes with Non-Canonical Coordination Environments

Review

Notes:

---

Evolving Artificial Metalloenzymes via Random Mutagenesis

Metal:

Rh

Ligand type:

OAc

Anchoring strategy:

Covalent

Optimization:

Chemical & genetic

Reaction:

Cyclopropanation

Max TON:

66

ee:

94

PDB:

5T88

Notes:

Mutagenesis of the ArM by error-prone PCR

Metal:

Rh

Ligand type:

OAc

Anchoring strategy:

Covalent

Optimization:

Chemical & genetic

Reaction:

N-H Insertion

Max TON:

73

ee:

40

PDB:

5T88

Notes:

Mutagenesis of the ArM by error-prone PCR

Metal:

Rh

Ligand type:

OAc

Anchoring strategy:

Covalent

Optimization:

Chemical & genetic

Reaction:

S-H Insertion

Max TON:

64

ee:

32

PDB:

5T88

Notes:

Mutagenesis of the ArM by error-prone PCR

Metal:

Rh

Ligand type:

OAc

Anchoring strategy:

Covalent

Optimization:

Chemical & genetic

Reaction:

Si-H Insertion

Max TON:

35

ee:

64

PDB:

5T88

Notes:

Mutagenesis of the ArM by error-prone PCR

Ferritin Encapsulation of Artificial Metalloenzymes: Engineering a Tertiary Coordination Sphere for an Artificial Transfer Hydrogenase

Metal:

Ir

Ligand type:

Amino-sulfonamide; Cp*

Host protein:

Streptavidin (Sav)

Anchoring strategy:

Supramolecular

Optimization:

Chemical & genetic

Max TON:

3874

ee:

75

PDB:

---

Notes:

---

Functionalization of Protein Crystals with Metal Ions, Complexes and Nanoparticles

Review

Notes:

---

Generation of a Functional, Semisynthetic [FeFe]-Hydrogenase in a Photosynthetic Microorganism

Metal:

Fe

Ligand type:

CN; CO

Anchoring strategy:

Reconstitution

Optimization:

Chemical & genetic

Reaction:

H2 evolution

Max TON:

---

ee:

---

PDB:

---

Notes:

---

Genetic Engineering of an Artificial Metalloenzyme for Transfer Hydrogenation of a Self-Immolative Substrate in Escherichia coli’s Periplasm

Metal:

Ir

Ligand type:

Amino-sulfonamide; Cp*

Host protein:

Streptavidin (Sav)

Anchoring strategy:

Supramolecular

Optimization:

Chemical & genetic

Max TON:

1000

ee:

76

PDB:

6GMI

Notes:

---

Going Beyond Structure: Nickel-Substituted Rubredoxin as a Mechanistic Model for the [NiFe] Hydrogenases

Metal:

Ni

Ligand type:

Amino acid

Host protein:

Rubredoxin (Rd)

Anchoring strategy:

Metal substitution

Optimization:

Genetic

Reaction:

H2 evolution

Max TON:

---

ee:

---

PDB:

---

Notes:

TOF = 149 s-1