ISSN: 2168-9652

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  • Mini Review   
  • Biochem Physiol 2023, Vol 12(3): 406
  • DOI: 10.4172/2168-9652.1000406

A Review on the Cysteine Synthase

Neha Sharma*
Department of Biochemistry, Institute of Microbial Technology, India
*Corresponding Author : Neha Sharma, Department of Biochemistry, Institute of Microbial Technology, India, Email: sharman@gmail.com

Received Date: Mar 01, 2023 / Accepted Date: Mar 23, 2023 / Published Date: Mar 29, 2023

Abstract

The Cysteine Synthase (CS) enzyme, which is responsible for the synthesis of cysteine, plays non-canonical regulatory roles by binding to and altering the functions of various proteins. By binding to a small number of other proteins that have a C-terminal “CS-binding motif” that ends in a terminal ILE, it performs its moonlighting function in addition to its catalytic and regulatory functions in the cysteine biosynthesis pathway. As a result, we hypothesized that the “CS-binding motif” of numerous other distinct proteins could be controlled by CS. In this study, we validated our prediction using analytical and structural methods and developed an iterative sequence matching method for mapping CS’s moonlighting biochemistry. We demonstrate, employing a minimal protein-peptide interaction system that five previously unknown CS-binder proteins involved in various metabolic processes interact species-specifically with CS. In addition, the findings demonstrate that the well-known CS-Binder, serine acetyltransferase (SAT), closely matches protein–protein interactions, including thermodynamic, competitive-inhibition, and structural characteristics. We are able to map the extreme multifunctional space (EMS) of CS and learn about the biochemistry of moonlighting space, a subset of EMS, thanks to the results of this study. To study protein-specific moonlighting properties of multifunctional proteins, we believe that the integrated computational and experimental workflow developed here could be further modified and extended.

Citation: Sharma N (2023) A Review on the Cysteine Synthase. Biochem Physiol 12: 406. Doi: 10.4172/2168-9652.1000406

Copyright: © 2023 Sharma N. This is an open-access article distributed under the terms of the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are credited.

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