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Structure-Activity Relationships and Drug Design01:28

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Drug design is a dynamic field that involves discovering and developing new medications based on specific biological targets. This process heavily relies on structure-activity relationships (SAR) and quantitative structure-activity relationships (QSAR) to guide the design and optimization of efficient drugs.
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All living things are formed mostly of carbon compounds called organic compounds. The category of organic compounds includes both natural and synthetic compounds that contain carbon. Although a single, precise definition has yet to be identified by the chemistry community, most agree that a defining trait of organic molecules is the presence of carbon as the principal element, bonded to hydrogen and other carbon atoms. However, some carbon-containing compounds such as carbonates, cyanides, and...
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Structure of Carboxylic Acid Derivatives
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In this lesson, we delve into the role of ring conformation and its stability, which determines the spatial arrangement and, consequently, the molecular symmetry and stereoisomerism of cyclic compounds. 1,2-Dimethylcyclohexane is used as a case study to evaluate the possible number of stereoisomers. Here, given the multiple (n = 2) chiral centers, there are 2n = 4 possible configurations that lack a plane of symmetry, as the ring skeleton exists in a non-planar chair conformation. In addition,...
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Related Experiment Video

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Applying Cheminformatics to Develop a Structure Searchable Database of Analytical Methods
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PSC-db: A Structured and Searchable 3D-Database for Plant Secondary Compounds.

Alejandro Valdés-Jiménez1, Carlos Peña-Varas2, Paola Borrego-Muñoz3

  • 1Center for Bioinformatics, Simulations, and Modeling (CBSM), Faculty of Engineering, University of Talca, Talca 3460000, Chile.

Molecules (Basel, Switzerland)
|March 6, 2021
PubMed
Summary
This summary is machine-generated.

PSC-db is a new plant metabolite database offering 3D structures and properties for natural products. This resource aids in discovering bioactive compounds and understanding their biological activities.

Keywords:
3D-structureschemical and structural propertiesdatabasenatural productsphysicochemical and pharmaceutical descriptorsplant secondary metabolites

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Area of Science:

  • Phytochemistry
  • Bioinformatics
  • Drug Discovery

Background:

  • Plants produce diverse bioactive natural products with commercial potential.
  • Exploring phytochemical structural diversity is crucial for identifying novel compounds.
  • Existing databases may lack comprehensive 3D structural and property information.

Purpose of the Study:

  • To introduce PSC-db, a plant metabolite database.
  • To categorize phytochemical space using 3D structural and property data.
  • To facilitate drug discovery and biological activity prediction.

Main Methods:

  • Developed PSC-db using an open-source PostgreSQL platform.
  • Organized compounds with classification, names, IDs, and physicochemical properties.
  • Included source organism and biological activity data against various targets.

Main Results:

  • PSC-db provides 3D structural information for plant metabolites.
  • The database integrates physicochemical and pharmaceutical properties.
  • It includes data on biological activities and source organisms.

Conclusions:

  • PSC-db is a valuable resource for exploring plant-derived natural products.
  • The database supports Quantitative Structure-Activity Relationship (QSAR) studies and docking campaigns.
  • PSC-db is freely available for public use.