scholarly journals Prediction of the Anxiolytic Action Mediated by the GABA A Receptor by the Molecular Docking Method

2020 ◽  
Vol 6 (5) ◽  
pp. 38-45
Author(s):  
T. Gendugov ◽  
A. Glushko ◽  
A. Chiriapkin ◽  
V. Chiriapkin
Keyword(s):  
Amino Acids ◽  
Molecular Docking ◽  
Binding Site ◽  
Computational Experiment ◽  
Gaba A ◽  
High Affinity ◽  
Docking Method ◽  
Benzodiazepine Binding ◽  
Docking Energy ◽  
Molecular Docking Method

The article considers the study in silico of the affinity of 3-[2-oxo-2-(4-phenyl-1-piperazinyl)ethyl]-4(3H)-quinazolinone (VMA-10-21 compound) to the benzodiazepine binding site of the GABA А receptor by molecular docking method. The computational experiment was carried out using a set of Autodock programs. As a result, the method for predicting the affinity of the simulated compounds to the benzodiazepine binding site of the GABA A receptor was developed. The highest correlation coefficient between the pKi value and the average docking energy in the benzodiazepine binding site (0.54) was obtained using a set of amino acids Tyr 58 and Tyr 159. The predicted Ki value of the VMA-10-21 compound is 2.864 nM, which suggests a high affinity of the studied compound to this receptor.

scholarly journals Comparing the high affinity benzodiazepine binding site with the homologous “CGS 9895” site in GABA‐A receptors (1059.1)

2014 ◽  
Vol 28 (S1) ◽  
Author(s):  
Roshan Puthenkalam ◽  
Zdravko Varagic ◽  
Anna Dereky ◽  
Chonticha Suwattanasophon ◽  
Isabella Sarto‐Jackson ◽  
...  
Keyword(s):  
Binding Site ◽  
Gaba A ◽  
High Affinity ◽  
Benzodiazepine Binding ◽  
Cgs 9895

Molecular docking studies of tea (Thea sinensis Linn.) polyphenols inhibition pattern with Rat P-glycoprotein

2020 ◽  
Vol 0 (0) ◽  
Author(s):  
Babar Ali ◽  
Qazi Mohammad Sajid Jamal ◽  
Showkat R. Mir ◽  
Saiba Shams ◽  
Mohammad Amjad Kamal
Keyword(s):  
Amino Acids ◽  
Molecular Docking ◽  
Binding Energy ◽  
Oral Administration ◽  
Docking Studies ◽  
Vital Role ◽  
Glycoprotein P ◽  
High Affinity ◽  
P Glycoprotein ◽  
Inhibition Pattern

AbstractSince 3000 B.C., evergreen plant Thea sinensis (Theaceae) is used both as a social and medicinal beverage. Leaves of T. sinensis contain amino acids, vitamins, caffeine, polysaccharides and polyphenols. Most of the natural medicinal actions of tea are due to the availability and abundance of polyphenols mainly catechins. It has also been stated that some catechins were absorbed more rapidly than other compounds after the oral administration of tea and could increase the bio-enhancing activities of anticancer drugs by inhibiting P-glycoprotein (P-gp). The results of the molecular docking showed that polyphenols bind easily to the active P-gp site. All compounds exhibited fluctuating binding affinity ranged from −11.67 to −8.36 kcal/mol. Observed binding energy required for theaflavin to bind to P-gp was lowest (−11.67 kcal/mol). The obtained data that supports all the selected polyphenols inhibited P-gp and therefore may enhance the bioavailability of drugs. This study may play a vital role in finding hotspots in P-gp and eventually may be proved useful in designing compounds with high affinity and specificity to the protein.

scholarly journals Bhringraj Derived Phytochemicals against Pneumonia

2020 ◽  
pp. 93-96
Author(s):  
Debajani Tripathy ◽  
Chandana Adhikari ◽  
Mukundjee Pandey ◽  
Dipankar Bhattacharayay
Keyword(s):  
Molecular Docking ◽  
Life Cycle ◽  
Glutamic Acid ◽  
Interaction Energy ◽  
Plant Extract ◽  
Klebsiella Pneumonia ◽  
Discovery Studio ◽  
Docking Method ◽  
Dehydrogenase Enzyme ◽  
Molecular Docking Method

Phytochemicals from Bhringaraj plant extract are traditionally used to cure Pneumonia. It is caused by Klebsiella pneumonia. Molecular docking method applied using “Biovia Discovery Studio”. “High positive values of -CDOCKER energy and -CDOCKER interaction energy” suggested that glutamic acid can effectively deactivate the dehydrogenase enzyme, thereby interrupting the life cycle of the organism.

scholarly journals Trigonella foenum-graecum Derived Phytochemicals against Tuberculosis

2020 ◽  
pp. 121-124
Author(s):  
Bidyashree Tripathy ◽  
Elina Sahoo ◽  
Sidhartha Ray ◽  
Soumya Jal ◽  
Dipankar Bhattacharyay
Keyword(s):  
Molecular Docking ◽  
Life Cycle ◽  
Interaction Energy ◽  
Dihydrofolate Reductase ◽  
Plant Extract ◽  
Discovery Studio ◽  
Trigonella Foenum Graecum ◽  
Docking Method ◽  
Molecular Docking Method

Phytochemicals from Trigonella foenum-graecum plant extract are traditionally used to cure Tuberculosis. Molecular docking method applied using “Biovia Discovery Studio”. “High positive values of -CDOCKER energy and -CDOCKER interaction energy” suggested that this plant extract can effectively deactivate the dihydrofolate reductase enzyme thereby interrupting the life cycle of the organism.

scholarly journals Michelia champaca L. Derived Phytochemicals against Peptidase Do of Bordetella pertussis Causing Cough

2020 ◽  
pp. 133-135
Author(s):  
Sanjeeb Kumar Dash ◽  
Sidhartha Ray ◽  
Smruti Ranjan Behera ◽  
Soumya Jal ◽  
Dipankar Bhattacharyay
Keyword(s):  
Molecular Docking ◽  
Life Cycle ◽  
Interaction Energy ◽  
Plant Extract ◽  
Bordetella Pertussis ◽  
Discovery Studio ◽  
Docking Method ◽  
Michelia Champaca ◽  
Molecular Docking Method

Phytochemicals from Michelia champaca L. plant extract are traditionally used to cure cough.  Cough can be caused by many reasons. Caugh can be caused by the infection of Bordetella pertussis. The objective of the study is to identify the phytochemical of Michelia champaca capable of curing cough. Molecular docking method applied using “Biovia Discovery Studio”. “High positive values of -CDOCKER energy and -CDOCKER interaction energy” suggested that magnoflorine can effectively deactivate the peptidase Do enzyme which will interrupt the life cycle of the microorganism and inhibit the multiplication.

scholarly journals In-silico Investigation of the Interaction between Beta-class Glutathione S-Transferase and Five Antibiotics, namely; Ampicillin, Tetracycline, Chloramphenicol, Ciprofloxacin and Cephalexin

2021 ◽  
Vol 25 (4) ◽  
pp. 497-502
Author(s):  
D. Shehu ◽  
S Danlami ◽  
M. Ya’u ◽  
A. Babandi ◽  
H.M. Yakasai ◽  
...  
Keyword(s):  
Amino Acids ◽  
Antibiotic Resistance ◽  
Molecular Docking ◽  
Binding Site ◽  
Substrate Binding ◽  
Docking Study ◽  
Glutathione S Transferase ◽  
Molecular Docking Study ◽  
Substrate Binding Site ◽  
Glutathione S Transferases

Glutathione s-transferases(GSTs) are enzymes involved in the conjugation and deactivation of various xenobiotics including drugs. Thisin-silico study was undertaken in order to investigate the interaction between beta-class glutathione s-transferase and five selected antibiotics, namely; ampicillin, tetracycline, chloramphenicol, ciprofloxacin and cephalexin using molecular docking study. RaptorX server was used to predict the amino acids involved at the binding sitewhile molecular docking study was employed in order to investigate the binding interactions.RaptorX predicted several amino acids which were different from the ones observed in molecular docking because of the variability in the substrate binding site of GSTs however, all the amino acids predicted by RaptorX were also found to be involved in the GSH binding.Lys107, Phe109, Ser110, Leu113, Trp114, His115 and Arg123, Leu168 were the amino acids involved in the binding of various antibiotics to the substrate binding site of the protein while Ala9, Cys10, Leu32, Tyr51, Val52, Pro53, Glu65 and Ala66were involved in the binding of the co-substrate GSH to the binding site of the protein. The results indicated that all the antibiotics showed a good binding affinity with the beta class GST and are therefore capable of deactivating the drugs. With these, finding a beta class GST inhibitors alongside antibiotics during a treatment of diseases will be of beneficial in the current fight against antibiotic resistance.

scholarly journals Capsicum anum L. Derived Phytochemicals against Haemophilus influenzae Causing Bronchitis

2020 ◽  
pp. 100-103
Author(s):  
Debadatta Nayak ◽  
Debesh Kumar Hota ◽  
Tophani Sahu ◽  
Soumya Jal ◽  
Dipankar Bhattacharyay
Keyword(s):  
Molecular Docking ◽  
Life Cycle ◽  
Haemophilus Influenzae ◽  
Interaction Energy ◽  
Plant Extract ◽  
Haemophilus Influenza ◽  
Discovery Studio ◽  
Docking Method ◽  
Coa Hydrolase ◽  
Molecular Docking Method

Phytochemicals from Capsicum anum L. plant extract are traditionally used to cure bronchitis. Bronchitis is caused by Haemophilus influenzae. Molecular docking method applied using “Biovia Discovery Studio”. “High positive values of -CDOCKER energy and -CDOCKER interaction energy” suggested that myrcetin and quercetin can effectively deactivate the Palmitoyl-CoA hydrolase enzyme thereby interrupting the life cycle of Haemophilus influenza.

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