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Mutations in the enzyme cytosolic isocitrate dehydrogenase 1 (IDH1) are a common feature of a major subset of primary human brain… Expand SUMMARY Two-component signal-transducing systems are ubiquitously distributed communication interfaces in bacteria. They consist… Expand SUMMARY The phosphoenolpyruvate(PEP):carbohydrate phosphotransferase system (PTS) is found only in bacteria, where it catalyzes… Expand Phosphotransfer-mediated signaling pathways allow cells to sense and respond to environmental stimuli. Autophosphorylating… Expand Mutations of the gene Lps selectively impede lipopolysaccharide (LPS) signal transduction in C3H/HeJ and C57BL/10ScCr mice… Expand A NUMBER of terrestrial plants accumulate large quantities of metals such as zinc, manganese, nickel, cobalt and copper in their… Expand Peptides of the glucagon/vasoactive-intestinal-peptide (VIP) peptide family share a considerable sequence similarity at their N… Expand An unusual pattern in a nucleic acid or protein sequence or a region of strong similarity shared by two or more sequences may… Expand A novel nitrilotriacetic acid adsorbent has been prepared for metal chelate affinity chromatography. The new resin is a… Expand In studies on the chemical structure of ribonuclease in which trypsin is used as a specific reagent for hydrolysis (2), it has… Expand