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Phenylglycine is the organic compound with the formula C 6 H 5 CH(NH 2)CO 2 H. It is a non-proteinogenic alpha amino acid related to alanine, but with a phenyl group in place of the methyl group. It is a white solid. The compound exhibits some biological activity. [1]
Biosynthesis of HPG. HPG is synthesized from prephenate, an intermediate in the shikimic acid pathway and also a precursor to tyrosine.Prephenate is aromatized by prephenate dehydrogenase (Pdh) using NAD + as a cofactor to produce 4-hydroxyphenylpyruvate. 4-Hydroxyphenylpyruvate is then oxidized by 4-hydroxymandelate synthase (4HmaS) using oxygen to form 4-hydroxymandelate and hydrogen ...
(S)-3,5-Dihydroxyphenylglycine or DHPG is a potent agonist of group I metabotropic glutamate receptors (mGluRs) mGluR1 and mGluR5.. DHPG was the first agonist shown to be selective for group I mGluRs. [1]
There are many hundreds of thousands of possible drugs. Any chemical substance with biological activity may be considered a drug. This list categorises drugs alphabetically and also by other categorisations.
Azlocillin is considered a broad spectrum antibiotic and can be used against a number of Gram positive and Gram negative bacteria. The following represents MIC susceptibility data for a few medically significant organisms. [1] Escherichia coli 1 μg/mL – 32 μg/mL; Haemophilus spp. 0.03 μg/mL – 2 μg/mL; Pseudomonas aeruginosa 4 μg/mL ...
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The streptogramin antibiotics were identified almost 50 years ago, but have only recently found clinical use as a consequence of the increase in multidrug-resistant bacteria. They present poor solubility in aqueous solution, and this has limited their clinical use; however, the natural products still find use as feed additives in agriculture.
An enantiomeric pair (S,S)- and (R,R)-ethambutol, along with the achiral stereoisomer called meso-form, it holds a diastereomeric relationship with the optically active stereoisomers. The activity of the drug resides in the (S,S)-enantiomer which is 500 and 12 fold more potent than the (R,R)-ethambutol and the meso- form.