Words similar to electronegative
Example sentences for: electronegative
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Biosynthetic modifications to the periphery of the tetrapyrrole ring progressively cause withdrawal of electrons from the pyrrole nitrogens, thereby decreasing their basicity [ 20 21 ] . For example, oxidation of the 7-methyl group in Chl a to the electronegative aldehyde of Chl b reduces the pK of the pyrrole nitrogens by 2 pH units.
c brings its electronegative carboxyl group into conjugation with the π system of the macrocycle, with the same effect [ 22 ] . As a consequence, the central Mg atom of Chls b and c has a greater affinity for exogenous electrons, thus is a stronger Lewis acid.
The most electronegative ligand in LHCPs is the sidechain of His.
Coloring of the pocket according to its electrostatic potential shows for instance that the alpha7-alpha7 pocket is slightly more electronegative than alpha4-beta2 (Figure 4- Bottom).
However, these variations are rather limited and the agonist binding site remains electronegative for all isotypes tested.