Date published: 2026-4-23

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ProRS Activators

Prolyl-tRNA synthetase (ProRS), also known as PARS, is an enzyme that in humans is encoded by the EPRS gene. This enzyme belongs to the family of aminoacyl-tRNA synthetases (aaRSs), which play a critical role in protein synthesis.Aminoacyl-tRNA synthetases are responsible for charging tRNA molecules with their corresponding amino acids, a crucial step in the process of translation. ProRS specifically attaches the amino acid proline to its corresponding tRNA molecule (tRNA^Pro). This prolyl-tRNA then participates in the ribosome-mediated synthesis of a protein, by incorporating proline into the growing polypeptide chain at the appropriate positions as determined by the mRNA template.

In humans, ProRS is part of a bifunctional enzyme complex that also contains glutamyl-prolyl-tRNA synthetase. This bifunctional enzyme is unique among aaRSs and is linked by a sequence that is homologous to a region of the vesicular transport protein SecY.Beyond their classical role in protein synthesis, aminoacyl-tRNA synthetases, including ProRS, have been found to have additional functions in cellular processes such as cell signaling, RNA splicing, and the regulation of apoptosis.

SEE ALSO...

Product NameCAS #Catalog #QUANTITYPriceCitationsRATING

Halofuginone

55837-20-2sc-507290
100 mg
$1775.00
(0)

An inhibitor of prolyl-tRNA synthetase, could indirectly affect ProRS by altering tRNA aminoacylation.

Cycloheximide

66-81-9sc-3508B
sc-3508
sc-3508A
100 mg
1 g
5 g
$41.00
$84.00
$275.00
127
(6)

Inhibits eukaryotic translational elongation, potentially influencing ProRS function indirectly.

Tetracycline

60-54-8sc-205858
sc-205858A
sc-205858B
sc-205858C
sc-205858D
10 g
25 g
100 g
500 g
1 kg
$63.00
$94.00
$270.00
$417.00
$634.00
6
(1)

An antibiotic that inhibits protein synthesis, could indirectly affect ProRS activity.

Puromycin

53-79-2sc-205821
sc-205821A
10 mg
25 mg
$166.00
$322.00
436
(1)

Causes premature chain termination during protein synthesis, potentially impacting ProRS indirectly.

Chloramphenicol

56-75-7sc-3594
25 g
$90.00
10
(1)

Inhibits bacterial protein synthesis, could have indirect effects on ProRS activity.

Erythromycin

114-07-8sc-204742
sc-204742A
sc-204742B
sc-204742C
5 g
25 g
100 g
1 kg
$57.00
$245.00
$831.00
$1331.00
4
(3)

Binds to the 50S ribosomal subunit, indirectly affecting protein synthesis and potentially ProRS activity.

Anisomycin

22862-76-6sc-3524
sc-3524A
5 mg
50 mg
$99.00
$259.00
36
(2)

A protein synthesis inhibitor that may indirectly affect ProRS by altering overall protein synthesis dynamics.