Design of heme enzymes with a tunable substrate binding pocket adjacent to an open metal coordination site

I Kalvet, M Ortmayer, J Zhao, R Crawshaw… - Journal of the …, 2023 - ACS Publications
The catalytic versatility of pentacoordinated iron is highlighted by the broad range of natural
and engineered activities of heme enzymes such as cytochrome P450s, which position a …

An evolved orthogonal enzyme/cofactor pair

EW Reynolds, MW McHenry, F Cannac… - Journal of the …, 2016 - ACS Publications
We introduce a strategy that expands the functionality of hemoproteins through orthogonal
enzyme/heme pairs. By exploiting the ability of a natural heme transport protein, ChuA, to …

Selective CH bond functionalization with engineered heme proteins: new tools to generate complexity

RK Zhang, X Huang, FH Arnold - Current opinion in chemical biology, 2019 - Elsevier
Highlights•Interplay between synthetic chemistry and enzyme discovery/creation.•
Cytochromes P450 for selective hydroxylation of complex molecules.•Engineered heme …

A chemically programmed proximal ligand enhances the catalytic properties of a heme enzyme

AP Green, T Hayashi, PRE Mittl… - Journal of the American …, 2016 - ACS Publications
Enzymes rely on complex interactions between precisely positioned active site residues as a
mechanism to compensate for the limited functionality contained within the genetic code …

A de novo peroxidase is also a promiscuous yet stereoselective carbene transferase

R Stenner, JW Steventon, A Seddon… - Proceedings of the …, 2020 - National Acad Sciences
By constructing an in vivo-assembled, catalytically proficient peroxidase, C45, we have
recently demonstrated the catalytic potential of simple, de novo-designed heme proteins …

Navigating the unnatural reaction space: directed evolution of heme proteins for selective carbene and nitrene transfer

Y Yang, FH Arnold - Accounts of Chemical Research, 2021 - ACS Publications
Conspectus Despite the astonishing diversity of naturally occurring biocatalytic processes,
enzymes do not catalyze many of the transformations favored by synthetic chemists. Either …

Mimicking heme enzymes in the solid state: metal–organic materials with selectively encapsulated heme

RW Larsen, L Wojtas, J Perman… - Journal of the …, 2011 - ACS Publications
To carry out essential life processes, nature has had to evolve heme enzymes capable of
synthesizing and manipulating complex molecules. These proteins perform a plethora of …

Designer heme proteins: Achieving novel function with abiological heme analogues

CM Lemon, MA Marletta - Accounts of chemical research, 2021 - ACS Publications
Conspectus Heme proteins have proven to be a convenient platform for the development of
designer proteins with novel functionalities. This is achieved by substituting the native iron …

Stereoselective enzymatic synthesis of heteroatom-substituted cyclopropanes

OF Brandenberg, CK Prier, K Chen, AM Knight… - ACS …, 2018 - ACS Publications
The repurposing of hemoproteins for non-natural carbene transfer activities has generated
enzymes for functions previously accessible only to chemical catalysts. With activities …

Artificial diiron enzymes with a de novo designed four‐helix bundle structure

M Chino, O Maglio, F Nastri, V Pavone… - European Journal of …, 2015 - Wiley Online Library
A single polypeptide chain may provide an astronomical number of conformers. Nature
selected only a trivial number of them through evolution, composing an alphabet of …