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Peptides
Peptides are short chains of amino acids joined by peptide bonds. These compounds may be synthetic and are used as signaling ligands, catalysts, imaging agents, and more.
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Endogenous opioid neurotransmitter/neuromodulator that is an agonist at ? and δ opioid receptors, localization in brain parallels the localization of δ receptors. This Thermo Scientific Chemicals brand product was originally part of the Alfa Aesar product portfolio.
Targets primarily the cell membrane of Gram-positive bacteria and shows little effect against Gram-negative bacteria. Gramicidin is typically used as a topical antimicrobial agent because it also causes hemolysis of red blood cells.
Antibiotic for gram-negative bacteria Polymyxin B Sulfate is an antibiotic mixture active against gram (-) organisms. It is also reported to inhibit Ca2+ dependent PKC (protein kinase C). This Thermo Scientific Chemicals brand product was originally part of the Alfa Aesar product portfolio.
