Chirality and protein biosynthesis

SD Banik, N Nandi - Biochirality: Origins, Evolution and Molecular …, 2013 - Springer
Chirality is present at all levels of structural hierarchy of protein and plays a significant role in
protein biosynthesis. The macromolecules involved in protein biosynthesis such as …

Mechanism of the activation step of the aminoacylation reaction: a significant difference between class I and class II synthetases

SD Banik, N Nandi - Journal of Biomolecular Structure and …, 2012 - Taylor & Francis
In the present work we report, for the first time, a novel difference in the molecular
mechanism of the activation step of aminoacylation reaction between the class I and class II …

[图书][B] Chirality in Biological Nanospaces

N Nandi, K Thirumoorthy - 2012 - api.taylorfrancis.com
The relationship of molecular chirality and biology is intriguing. Our curiosity prompts the
question as to why diverse natural biological molecules are overwhelmingly dissymmetric. Is …

Roles of the active site Zn (II) and residues in substrate discrimination by threonyl-tRNA synthetase: an MD and QM/MM investigation

MM Aboelnga, JW Gauld - The Journal of Physical Chemistry B, 2017 - ACS Publications
Threonyl-tRNA synthetase (ThrRS) is a Zn (II) containing enzyme that catalyzes the
activation of threonine and its subsequent transfer to the cognate tRNA. This process is …

Aminoacylation reaction in the histidyl-tRNA synthetase: fidelity mechanism of the activation step

SD Banik, N Nandi - The Journal of Physical Chemistry B, 2010 - ACS Publications
Aminoacylation is a vital step of natural biosynthesis of peptide. Correct aminoacylation is a
necessary prerequisite for the elimination of noncognate amino acids such as d-amino …

Active site nanospace of aminoacyl tRNA synthetase: difference between the class I and class II synthetases

S Dutta, K Choudhury, SD Banik… - Journal of Nanoscience …, 2014 - ingentaconnect.com
The present work is aimed at understanding the origin of the difference in the molecular
organization of the active site nanospaces of the class I and class II aminoacyl tRNA …

Hyperactive editing domain variants switch the stereospecificity of tyrosyl-tRNA synthetase

CJ Richardson, EA First - Biochemistry, 2016 - ACS Publications
d-Amino acids are excluded at three different steps during protein synthesis: the
aminoacylation of tRNA, binding of aminoacyl-tRNAs to EF-Tu, and selection of the …

Influence of the conserved active site residues of histidyl tRNA synthetase on the mechanism of aminoacylation reaction

SD Banik, N Nandi - Biophysical Chemistry, 2011 - Elsevier
The relation between the conservation of active site residues and the molecular mechanism
of aminoacylation reaction is an unexplored problem. In the present paper, the influences of …

A three-layer ONIOM model for the outside binding of cationic porphyrins and nucleotide pair DNA

GI Cárdenas-Jirón, L Cortez-Santibañez - Journal of molecular modeling, 2013 - Springer
In this work we investigated the outside binding mode between a cationic porphyrin and a
nucleotide pair of DNA, adenine-thymine and guanine-cytosine, in a supramolecular …

Natural Mechanism of Origination and Conservation of Monochirality of Amino Acids

EA Kadyshevich, VE Ostrovskii - Chirality, 2016 - Wiley Online Library
The proteins belonging to different organisms as well as the natural amino acids as
incorporated into proteins occurring free in tissues and lymphatic fluids are, as a rule …