Definitions for substrate analog
sub·strate ana·log

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1. Substrate analog

   Substrate analogs (substrate state analogues), are chemical compounds with a chemical structure that resemble the substrate molecule in an enzyme-catalyzed chemical reaction. Substrate analogs can act as competitive inhibitors of an enzymatic reaction. An example is phosphoramidate to the Tetrahymena group I ribozymeAs a competitive inhibitor, substrate analogs occupy the same binding site as its analog, and decrease the intended substrate’s efficiency. The Vmax remains the same while the intended substrate’s affinity is decreased. This means that less of the intended substrate will bind to the enzyme, resulting in less product being formed. In addition, the substrate analog may also be missing chemical components that allow the enzyme to go through with its reaction. This also causes the amount of product created to decrease. Substrate analogs bind to the binding site reversibly. This means that the binding of the substrate analog to the enzyme’s binding site is non-permanent. The effect of the substrate analog can be nullified by increasing the concentration of the originally intended substrate.Other examples of substrate analogs include: 5’-adenylyl-imidodiphosphate: substrate analog of ATP 3-acetylpyridine adenine dinucleotide: substrate analog of NADH Some substrate analogs can still allow the enzyme to synthesize a product despite the enzyme’s inability to metabolize the substrate analog.1 These substrate analogs are known as gratuitous inducers.Example of a substrate analog that is also a gratuitous inducer: IPTG (isopropyl β-thiogalactoside: substrate analog and gratuitous inducer of β-galactosidase activity There are even substrate analogs that bind to the binding site of an enzyme irreversibly. If this is the case, the substrate analog is called an inhibitory substrate analog, a suicide substrate, or even a Trojan horse substrate.Example of a substrate analog that is also a suicide substrate/Trojan horse substrate: Penicillin: substrate analog and suicide substrate/Trojan horse substrate of peptidoglycan

How to pronounce substrate analog?

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Numerology

1. Chaldean Numerology

   The numerical value of substrate analog in Chaldean Numerology is: 5

2. Pythagorean Numerology

   The numerical value of substrate analog in Pythagorean Numerology is: 4

References

1. ^ Wikipedia
   https://en.wikipedia.org/wiki/Substrate_Analog