Reactions catalyzed within inorganic and organic materials and at electrochemical interfaces commonly occur at high coverage and in condensed media, causing turnover rates to depend strongly on interfacial structure and composition, 137-40-6, Name is Sodiumpropionate, SMILES is CCC(=O)[O-].[Na+], in an article , author is Alizadeh, Ali Akbar, once mentioned of 137-40-6, Quality Control of Sodiumpropionate.
Alignment independent 3D-QSAR studies and molecular dynamics simulations for the identification of potent and selective S1P(1) receptor agonists
Sphingosine 1-phosphate type 1 (S1P(1)) receptors are expressed on lymphocytes arid regulate immune cells trafficking. Sphingosine 1-phosphate and its analogues cause internalization and degradation of SiP1 receptors, preventing the auto reactivity of immune cells in the target tissues. It has been shown that S1 Pi receptor agonists such as fingolimod can be suitable candidates for treatment of autoimmune diseases. The current study aimed to generate GRIND-based 3D-QSAR predictive models for agonistic activities of 2-imino-thiazolidin-4-one derivatives on S1P(1) to be used in virtual screening of chemical libraries. The developed model for the SiP1 receptor agonists showed appropriate power of predictivity in internal (r(acc)(2), 0.93 and SDEC 0.18) and external (r(2) 0.75 and MAE (95% data), 0.28) validations. The generated model revealed the importance of variables DRY-N1 and DRY-O in the potency and selectivity of these compounds towards SI Pi receptor. To propose potential chemical entities with S1P(1) agonistic activity, PubChem chemicals database was searched and the selected compounds were virtually tested for S1P(1) receptor agonistic activity using the generated models, which resulted in four potential compounds with high potency and selectivity towards S1P(1) receptor. Moreover, the affinities of the identified compounds towards S1P(1) receptor were evaluated using molecular dynamics simulations. The results indicated that the binding energies of the compounds were in the range of -39.31 to -46.18 and -3.20 to -9.75 kcal mol(-1), calculated by MM-GBSA and MM-PBSA algorithms, respectively. The findings in the current work may be useful for the identification of potent and selective S1P(1) receptor agonists with potential use in diseases such as multiple sclerosis. (C) 2019 Elsevier Inc. All rights reserved.
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Reference:
Thiazolidine – Wikipedia,
,Thiazolidine – ScienceDirect.com