The changes in the inhibitory activities of its Ala mutants, the NMR structure, and molecular simulation results based on other conotoxins targeting nAChR α4β2, all demonstrated that the residues Ile6 and Leu14 were the main hydrophobic pharmacophores.
Molecular phylogenetic results based primarily on ribosomal RNA-coding DNA (rDNA) sequences vary and are not much better than those based on comparative morphology [11], [13] [16].
Quantum calculation results based on molecular modeling could further confirm the DSC and FTIR conclusions.
However, few attempts have been made to integrate previous concepts that emerged from cell biological studies and more recent results based on molecular genetic experiments.
In the absence of such exposed search interfaces, however (e.g. when there is no option to restrict search results based on molecular mass), users of these chemical information repositories are faced with the task of manually parsing or calculating the chemical information that is needed for answering their research question.
At present, there is no solution to the discrimination difficulty of apogamous taxa, and identification results based on molecular data need to be reviewed by specialists if the best-match taxon belongs to an apogamous-rich genus.
Our results, based on molecular marker analysis of ca. 1,000 genomic loci, document that genetic alteration is the major cause of somaclonal variation in rice, which is concomitant with epigenetic alterations.
The present results based on standard molecular markers require confirmation from other character sets (e.g. rare genomic changes, mitochondrial gene arrangements, additional molecular markers) and careful (re- examination of more- examinationracters and hofology assumorphologicale light of the new phylogeneticharactersis.
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This inference is also consistent with the result based on molecular phylogenetic study [ 41], which suggests that South American Bauhinia diverged during the middle Miocene.
