Date published: 2026-4-24

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TyrRS Activators

TyrRS activators encompass a category of chemical agents that are designed to modulate the activity of Tyrosyl-tRNA synthetase (TyrRS), an enzyme that plays a critical role in the protein synthesis machinery of the cell. In the context of protein synthesis, TyrRS is responsible for the accurate attachment of the amino acid tyrosine to its corresponding transfer RNA (tRNA), a process that is essential for translating the genetic code into functional proteins. The activation of TyrRS by these chemical agents can occur through various mechanisms, ranging from direct interaction with the enzyme's active site to inducing structural changes that result in an enhanced affinity for its substrates. Some activators might mimic the natural substrates of the enzyme or alter its regulatory domains, leading to an upregulation of its catalytic activity.

The significance of TyrRS activators in research is tied to their potential to elucidate the fundamental processes of protein synthesis and enzyme regulation. By studying these activators, scientists can gain a deeper understanding of the dynamics of enzyme-substrate interactions, the structural requirements for catalytic efficiency, and the modulation of enzyme activity within the cellular environment. Research involving TyrRS activators typically involves a variety of experimental approaches, including kinetic studies to assess changes in enzyme activity, structural analysis to determine how these molecules interact with TyrRS, and cellular assays to observe the impact of activation on protein synthesis.

Items 1 to 10 of 11 total

Display:

Product NameCAS #Catalog #QUANTITYPriceCitationsRATING

(−)-Epinephrine

51-43-4sc-205674
sc-205674A
sc-205674B
sc-205674C
sc-205674D
1 g
5 g
10 g
100 g
1 kg
$41.00
$104.00
$201.00
$1774.00
$16500.00
(1)

Epinephrine is a natural catecholamine that increases intracellular cAMP levels. Elevated cAMP can activate PKA, which may phosphorylate TyrRS and enhance its activity.

Forskolin

66575-29-9sc-3562
sc-3562A
sc-3562B
sc-3562C
sc-3562D
5 mg
50 mg
1 g
2 g
5 g
$78.00
$153.00
$740.00
$1413.00
$2091.00
73
(3)

Forskolin activates adenylyl cyclase, increasing intracellular cAMP levels. This can lead to activation of PKA, potentially enhancing TyrRS activity through phosphorylation.

IBMX

28822-58-4sc-201188
sc-201188B
sc-201188A
200 mg
500 mg
1 g
$260.00
$350.00
$500.00
34
(1)

IBMX is a phosphodiesterase inhibitor that prevents the breakdown of cAMP, leading to increased intracellular levels. This may enhance the activity of TyrRS through the activation of PKA.

Dibutyryl-cAMP

16980-89-5sc-201567
sc-201567A
sc-201567B
sc-201567C
20 mg
100 mg
500 mg
10 g
$47.00
$136.00
$492.00
$4552.00
74
(7)

Dibutyryl-cAMP is a cell-permeable cAMP analog that activates PKA. This can potentially enhance TyrRS activity via phosphorylation.

Okadaic Acid

78111-17-8sc-3513
sc-3513A
sc-3513B
25 µg
100 µg
1 mg
$291.00
$530.00
$1800.00
78
(4)

Okadaic Acid is a potent inhibitor of protein phosphatases 1 and 2A. By inhibiting these phosphatases, it can potentially enhance TyrRS activity through increased phosphorylation.

PMA

16561-29-8sc-3576
sc-3576A
sc-3576B
sc-3576C
sc-3576D
1 mg
5 mg
10 mg
25 mg
100 mg
$41.00
$132.00
$214.00
$500.00
$948.00
119
(6)

PMA is an activator of protein kinase C (PKC), which might phosphorylate TyrRS, leading to increased activity.

Ionomycin

56092-82-1sc-3592
sc-3592A
1 mg
5 mg
$78.00
$270.00
80
(4)

Ionomycin is a calcium ionophore that increases intracellular calcium levels. Calcium ions can potentially bind to and activate TyrRS directly.

Thapsigargin

67526-95-8sc-24017
sc-24017A
1 mg
5 mg
$136.00
$446.00
114
(2)

Thapsigargin inhibits the SERCA pump, leading to increased cytosolic calcium levels. This could potentially enhance TyrRS activity through direct binding of calcium.

Tunicamycin

11089-65-9sc-3506A
sc-3506
5 mg
10 mg
$172.00
$305.00
66
(3)

Tunicamycin inhibits N-linked glycosylation. It might indirectly affect TyrRS activity by altering the glycosylation pattern of interacting proteins.

A23187

52665-69-7sc-3591
sc-3591B
sc-3591A
sc-3591C
1 mg
5 mg
10 mg
25 mg
$55.00
$131.00
$203.00
$317.00
23
(1)

A23187 is a calcium ionophore, increasing intracellular calcium levels. This could potentially enhance TyrRS activity through direct calcium binding.