Date published: 2025-11-1

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MRP-L14 Inhibitors

Chemical inhibitors of MRP-L14 target various stages of mitochondrial protein synthesis, a process in which MRP-L14 plays a crucial role as part of the mitochondrial ribosome. Chloramphenicol directly binds to the peptidyl transferase center of the mitochondrial ribosome, which results in the inhibition of protein synthesis, thus functionally inhibiting MRP-L14. Similar to chloramphenicol, anisomycin inhibits peptidyl transferase activity, while puromycin mimics aminoacyl-tRNA and causes premature chain termination, both leading to a disruption in the role of MRP-L14 in protein synthesis. Tetracycline and erythromycin, known for their binding to microbial ribosome subunits, can also bind to mitochondrial ribosomes and prevent MRP-L14 from carrying out its function in protein assembly or synthesis. Additional chemicals like dactinomycin, which interacts with DNA to prevent RNA synthesis, can hinder the overall process of mitochondrial translation, thereby affecting MRP-L14's involvement. Cycloheximide, although predominantly targeting cytosolic ribosomes, can also inhibit mitochondrial ribosomes, therefore impairing MRP-L14 function. Ricin and alpha-amanitin, while not exclusively mitochondrial inhibitors, can disrupt ribosomal activity by inactivating ribosomes or inhibiting RNA polymerase, respectively, which would influence MRP-L14's role in mitochondrial protein synthesis. Emetine blocks ribosomal movement along mRNA, which would impair MRP-L14's function by disrupting the larger mitochondrial protein synthesis process. Pactamycin and fusidic acid both target ribosomal subunits and elongation factors, respectively, which are essential for MRP-L14's role in the ribosome, leading to the inhibition of MRP-L14's function in the mitochondrial protein synthesis machinery.
Product NameCAS #Catalog #QUANTITYPriceCitationsRATING

Chloramphenicol

56-75-7sc-3594
25 g
$53.00
10
(1)

Inhibits mitochondrial protein synthesis by binding to the peptidyl transferase center of the mitochondrial ribosome, which can lead to the inhibition of MRP-L14 as it is a mitochondrial ribosomal protein.

Tetracycline

60-54-8sc-205858
sc-205858A
sc-205858B
sc-205858C
sc-205858D
10 g
25 g
100 g
500 g
1 kg
$62.00
$92.00
$265.00
$409.00
$622.00
6
(1)

Binds to the 30S subunit of microbial ribosomes, potentially inhibiting mitochondrial ribosomes as well, leading to functional inhibition of MRP-L14 by preventing its incorporation into the mitochondrial ribosome.

Erythromycin

114-07-8sc-204742
sc-204742A
sc-204742B
sc-204742C
5 g
25 g
100 g
1 kg
$56.00
$240.00
$815.00
$1305.00
4
(3)

Known to bind to the 50S subunit of bacterial ribosomes and may similarly inhibit mitochondrial ribosomes, affecting the function of MRP-L14 by preventing its proper assembly or function within the ribosome.

Puromycin

53-79-2sc-205821
sc-205821A
10 mg
25 mg
$163.00
$316.00
436
(1)

Causes premature chain termination during protein synthesis by acting as an analog of aminoacyl-tRNA, which would prevent MRP-L14 from effectively participating in mitochondrial protein synthesis.

Actinomycin D

50-76-0sc-200906
sc-200906A
sc-200906B
sc-200906C
sc-200906D
5 mg
25 mg
100 mg
1 g
10 g
$73.00
$238.00
$717.00
$2522.00
$21420.00
53
(3)

Interacts with DNA and prevents RNA synthesis, which could inhibit the translation process within mitochondria, thereby affecting the function of MRP-L14 in ribosomal protein synthesis.

Anisomycin

22862-76-6sc-3524
sc-3524A
5 mg
50 mg
$97.00
$254.00
36
(2)

Inhibits peptidyl transferase activity in eukaryotic ribosomes, which could lead to functional inhibition of MRP-L14 by blocking its ribosomal function in the mitochondria.

Cycloheximide

66-81-9sc-3508B
sc-3508
sc-3508A
100 mg
1 g
5 g
$40.00
$82.00
$256.00
127
(5)

Prevents translocation step in protein synthesis on eukaryotic ribosomes; although it primarily targets cytosolic ribosomes, its effects could extend to mitochondrial ribosomes, hindering MRP-L14's function.

α-Amanitin

23109-05-9sc-202440
sc-202440A
1 mg
5 mg
$260.00
$1029.00
26
(2)

Strongly inhibits RNA polymerase II in eukaryotic cells, and while it primarily affects nuclear transcription, any impairment of mitochondrial transcription could inhibit MRP-L14's role in mitochondrial ribosomes.

Emetine

483-18-1sc-470668
sc-470668A
sc-470668B
sc-470668C
1 mg
10 mg
50 mg
100 mg
$352.00
$566.00
$1331.00
$2453.00
(0)

Inhibits protein synthesis by blocking the movement of ribosomes along mRNA, which could impair the mitochondrial ribosome and thus inhibit the function of MRP-L14.

Fusidic acid

6990-06-3sc-215065
1 g
$292.00
(0)

Blocks the turnover of elongation factor G (EF-G) from the ribosome, potentially affecting mitochondrial ribosomes and thereby inhibiting the function of MRP-L14 by impairing ribosomal translocation.