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Carbonic acid equilibria are important for acid–base homeostasis in the human body. An amino acid is also amphoteric with the added complication that the neutral molecule is subject to an internal acid–base equilibrium in which the basic amino group attracts and binds the proton from the acidic carboxyl group, forming a zwitterion .
When PKAs receive energy greater than E d from bombarding electrons, they are able to displace more atoms, and some of the Frenkel defects become groups of interstitial atoms with corresponding vacancies, within a few interatomic distances of each other. In the case of bombardment by fast-moving atoms or ions, groups of vacancies and ...
In computational biology, protein pK a calculations are used to estimate the pK a values of amino acids as they exist within proteins.These calculations complement the pK a values reported for amino acids in their free state, and are used frequently within the fields of molecular modeling, structural bioinformatics, and computational biology.
Learning new things is important if we want to live a long and fulfilling life. Acquiring new skills and performing activities such as puzzles and other brain games strengthens our neurological ...
The regulatory subunit dimer of PKA is important for localizing the kinase inside the cell. The dimerization and docking (D/D) domain of the dimer binds to the A-kinase binding (AKB) domain of A-kinase anchor protein (AKAP). The AKAPs localize PKA to various locations (e.g., plasma membrane, mitochondria, etc.) within the cell.
Medina said much of the punk music that Los Frikis made at the time was not preserved. But viewers could still connect with the very positive message of their culture in the film, which shows how ...
Tyler Perry is spotlighting a lesser-known piece of World War II history in his new Netflix film, The Six Triple Eight. Based on a WWII History Magazine article by Kevin M. Hymel, the film, out ...
All buffering agents achieve their function because they contain an acidic group (acetate, phosphate, sulphonate ..) or a basic group (amino, pyridyl ..). A consequence of this is that they can form complexes with the biologically important ions Na +, K +, Mg 2+ and Ca 2+ and can compete for the metal ion contained in a metalloprotein. In fact ...