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Cdc42 is a Ras-related small G-protein and functions as a molecular switch in signal transduction pathways linked with cell growth and differentiation. It is controlled by cycling between GTP-bound (active) and GDP-bound (inactive) forms. Nucleotide binding and hydrolysis are modulated by interactions with effectors and/or regulatory proteins. These(More)
miRNAs are small noncoding RNA molecules that play an important role in post-transcriptional regulation of gene expression. Length and/or sequence variants of the same miRNA are termed isomiRs. While most isomiRs are functionally redundant compared to their canonical counterparts, the so-called 5’isomiRs exhibit a shifted 5’ end and therefore a shifted seed(More)
The synthetic peptides AC-Glu-Phe-Phe (NO2)-Arg-amide (peptide VP) and AC-Ile-Glu-Phe-Phe (NO2)-Arg-amide (peptide VIP) are more readily hydrolyzed by human pepsin in gastric juice of patients of gastritis than those of duodenal ulcer and normal subjects. The kinetic parameters suggest that S3 subsite of the enzyme plays a role in the elevation of enzyme(More)
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