A twisted base? The role of arginine in enzyme-catalyzed proton abstractions

YVG Schlippe, L Hedstrom - Archives of biochemistry and biophysics, 2005 - Elsevier
Arginine residues are generally considered poor candidates for the role of general bases
because they are predominantly protonated at physiological pH. Nonetheless, Arg residues …

Chemistry and diversity of pyridoxal-5′-phosphate dependent enzymes

RS Phillips - Biochimica et Biophysica Acta (BBA)-Proteins and …, 2015 - Elsevier
Abstract Pyridoxal-5′-phosphate (PLP) is a versatile cofactor that enzymes use to catalyze
a wide variety of reactions of amino acids, including transamination, decarboxylation …

Biocatalytic One-Pot Synthesis of l-Tyrosine Derivatives from Monosubstituted Benzenes, Pyruvate, and Ammonia

A Dennig, E Busto, W Kroutil, K Faber - Acs Catalysis, 2015 - ACS Publications
l-Tyrosine derivatives were obtained in> 97% ee via a biocatalytic one-pot two-step cascade
using substituted benzenes, pyruvate, and NH3 as starting materials. In the first step …

Production of Indole from l-Tryptophan and Effects of These Compounds on Biofilm Formation by Fusobacterium nucleatum ATCC 25586

T Sasaki-Imamura, A Yano… - Applied and environmental …, 2010 - journals.asm.org
The l-tryptophan degradation product indole is a purported extracellular signaling molecule
that influences biofilm formation in various bacteria. Here we analyzed the mechanisms of …

Exploring the pyridoxal 5′‐phosphate‐dependent enzymes

A Mozzarelli, S Bettati - The Chemical Record, 2006 - Wiley Online Library
Abstract Pyridoxal 5′‐phosphate (PLP)‐dependent enzymes represent about 4% of the
enzymes classified by the Enzyme Commission. The versatility of PLP in carrying out a large …

Cutting long syntheses short: Access to non‐natural tyrosine derivatives employing an engineered tyrosine phenol lyase

B Seisser, R Zinkl, K Gruber… - Advanced Synthesis …, 2010 - Wiley Online Library
The chemical synthesis of 3‐substituted tyrosine derivatives requires a minimum of four
steps to access optically enriched material starting from commercial precursors. Attempting …

Biochemical characterization of a novel tyrosine phenol-lyase from Fusobacterium nucleatum for highly efficient biosynthesis of l-DOPA

RC Zheng, XL Tang, H Suo, LL Feng, X Liu… - Enzyme and Microbial …, 2018 - Elsevier
Tyrosine phenol-lyase (TPL) catalyzes the reversible cleavage of l-tyrosine to phenol,
pyruvate and ammonia. When pyrocatechol is substituted for phenol, l …

Evolution of enzymes with new specificity by high-throughput screening using DmpR-based genetic circuits and multiple flow cytometry rounds

KK Kwon, DH Lee, SJ Kim, SL Choi, E Rha, SJ Yeom… - Scientific reports, 2018 - nature.com
Genetic circuit-based biosensors are useful in detecting target metabolites or in vivo
enzymes using transcription factors (Tx) as a molecular switch to express reporter signals …

Crystallographic snapshots of tyrosine phenol-lyase show that substrate strain plays a role in C–C bond cleavage

D Milic, TV Demidkina, NG Faleev… - Journal of the …, 2011 - ACS Publications
The key step in the enzymatic reaction catalyzed by tyrosine phenol-lyase (TPL) is reversible
cleavage of the Cβ–Cγ bond of l-tyrosine. Here, we present X-ray structures for two …

Structure and mechanism of tryptophan indole-lyase and tyrosine phenol-lyase

RS Phillips, TV Demidkina, NG Faleev - Biochimica et Biophysica Acta …, 2003 - Elsevier
Tyrosine phenol-lyase (TPL) and tryptophan indole-lyase (Trpase) catalyse the reversible
hydrolytic cleavage of l-tyrosine or l-tryptophan to phenol or indole, respectively, and …