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  2. Lewis acids and bases - Wikipedia

    en.wikipedia.org/wiki/Lewis_acids_and_bases

    A Lewis base is often a Brønsted–Lowry base as it can donate a pair of electrons to H +; [11] the proton is a Lewis acid as it can accept a pair of electrons. The conjugate base of a Brønsted–Lowry acid is also a Lewis base as loss of H + from the acid leaves those electrons which were used for the A—H bond as a lone pair on the ...

  3. Food composition data - Wikipedia

    en.wikipedia.org/wiki/Food_composition_data

    Food composition datasets (FCDBs) or food composition tables are resources that provide detailed food composition data (FCD) on the nutritionally important components of foods. FCDBs provide values for energy and nutrients including protein , carbohydrates , fat , vitamins and minerals and for other important food components such as fibre .

  4. Nucleophile - Wikipedia

    en.wikipedia.org/wiki/Nucleophile

    In chemistry, a nucleophile is a chemical species that forms bonds by donating an electron pair. All molecules and ions with a free pair of electrons or at least one pi bond can act as nucleophiles. Because nucleophiles donate electrons, they are Lewis bases. Nucleophilic describes the affinity of a nucleophile to bond with positively charged ...

  5. Ligand - Wikipedia

    en.wikipedia.org/wiki/Ligand

    MANORAA is a webserver for analyzing conserved and differential molecular interaction of the ligand in complex with protein structure homologs from the Protein Data Bank. It provides the linkage to protein targets such as its location in the biochemical pathways, SNPs and protein/RNA baseline expression in target organ. [21]

  6. Protein contact map - Wikipedia

    en.wikipedia.org/wiki/Protein_contact_map

    Knowledge of the relationship between a protein's structure and its dynamic behavior is essential for understanding protein function. The description of a protein three dimensional structure as a network of hydrogen bonding interactions (HB plot) [12] was introduced as a tool for exploring protein structure and function. By analyzing the ...

  7. HSAB theory - Wikipedia

    en.wikipedia.org/wiki/HSAB_theory

    An alternative quantitative measure is the heat of formation of the Lewis acid-base adduct in a non-coordinating solvent. The ECW model is quantitative model that describes and predicts the strength of Lewis acid base interactions, -ΔH . The model assigned E and C parameters to many Lewis acids and bases.

  8. Some protein powders contain cancer-causing toxins, new ... - AOL

    www.aol.com/finance/protein-powders-contain...

    The national nonprofit, which tests for various contaminants in products from wine and baby food to pet food and cleaning products, this time (like in 2018) focused on protein supplements—a $9. ...

  9. Protein structure - Wikipedia

    en.wikipedia.org/wiki/Protein_structure

    [3] [4] The sequence of a protein is unique to that protein, and defines the structure and function of the protein. The sequence of a protein can be determined by methods such as Edman degradation or tandem mass spectrometry. Often, however, it is read directly from the sequence of the gene using the genetic code.