Enzymes

A fundamental task of proteins is to act as enzymes: catalysts that increase the rate of virtually all the chemical reactions within cells. They are highly selective, accelerating both the rate and specificity of metabolic reactions, from the digestion of food to the synthesis of DNA. Most enzymes are proteins, although some catalytic RNA molecules have been identified as well. Cells contain thousands of different enzymes, and their activities determine which of the many possible chemical reactions actually take place within the cell. The binding of a substrate to the active site of an enzyme is a very specific interaction. Once a substrate is bound to the active site of an enzyme, multiple mechanisms can accelerate its conversion to the product of the reaction. Examples of enzymatic conversions of substrates include peptide bond formation or cleavage, hydrolysis and condensation, oxidation and reduction, phosphorylation, and many more. In addition to binding their substrates, the active sites of many enzymes bind other ions or small molecules that participate in catalysis. These molecules are called co-enzymes and/or co-factors. In contrast to substrates, coenzymes are not irreversibly altered by the reactions in which they are involved. While most enzymes move freely (intra- and extracellular) within the organism, many enzymes are anchored to either membranes or receptors[1]. The Axon Ligands™ that interact with enzymatic processes are arranged into the six major classes of enzymes in line with the rules of classification stated by the Nomenclature Committee of the International Union of Biochemistry and Molecular Biology[2].


[1] The Cell: A Molecular Approach. 2nd edition. Cooper GM. Sunderland (MA): Sinauer Associates; 2000.
[2] Enzyme Nomenclature 1992. Academic Press,San Diego,California, ISBN 0-12-227164-5.

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Axon ID Name Description From price
2269 AK 1 Potent inhibitor of SIRT with good selectivity for SIRT2 over SIRT1 and SIRT3 €90.00
2270 AK 7 Potent, brain-permeable and selective inhibitor of SIRT2 €90.00
1490 Anacardic acid A HAT inhibitor €60.00
2394 AR-42 HDAC inhibitor €125.00
2635 BAY-598 Selective inhibitor of SMYD2 €110.00
2735 BCI-121 Inhibitor of SMYD3 €90.00
1692 BIX 01294 trihydrochloride HMTase inhibitor (G9a and G9a-like protein) €80.00
2306 Bizine Potent LSD1 inhibitor with selectivity over MAO-A/B, and LSD2 €120.00
2471 BRD 73954 Dual HDAC 6/8 inhibitor with excellent selectivity over the other HDACs €85.00
1781 C 646 HAT inhibitor (p300/CBP selective) €60.00
2803 Cambinol Inhibitor of SIRT1 and SIRT2 €95.00
2250 CHR 6494 trifluoroacetate Specific, first-in-class inhibitor of histone kinase Haspin €120.00
2014 CI 994 HDAC inhibitor that causes histone hyperacetylation in living cells €70.00
2622 CPI 4203 Selective inhibitor of KDM5 demethylases (H3K4 specific) €85.00
2573 CPI 455 Selective inhibitor of KDM5 demethylases (H3K4 specific) €95.00

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