Date published: 2025-12-18

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RING1B Inhibitors

RING1B inhibitors belong to a distinctive chemical class characterized by their ability to selectively target and modulate the activity of the RING1B protein. RING1B, a key component of the polycomb repressive complex 1 (PRC1), plays a crucial role in epigenetic regulation by catalyzing the monoubiquitination of histone H2A. This enzymatic activity facilitates the compaction of chromatin structure, ultimately leading to gene silencing. The development of RING1B inhibitors marks a significant advancement in the field of epigenetics, as it provides researchers with a powerful tool to manipulate the dynamic processes of chromatin remodeling.

RING1B inhibitors often possess a targeted binding motif that interacts with the catalytic site of the RING domain within the RING1B protein. This specific interaction disrupts the enzymatic function of RING1B, preventing the ubiquitination of histone H2A and consequently influencing gene expression patterns. The intricate design of these inhibitors reflects a nuanced understanding of the molecular interactions governing epigenetic regulation. As researchers delve deeper into the biochemical nuances of RING1B inhibition, the potential for uncovering novel insights into gene expression dynamics and chromatin remodeling mechanisms continues to grow. The exploration of RING1B inhibitors opens up new avenues for understanding the fundamental processes underlying epigenetic control, with implications for unraveling the complexities of cellular development and differentiation.

SEE ALSO...

Product NameCAS #Catalog #QUANTITYPriceCitationsRATING

MG-132 [Z-Leu- Leu-Leu-CHO]

133407-82-6sc-201270
sc-201270A
sc-201270B
5 mg
25 mg
100 mg
$56.00
$260.00
$980.00
163
(3)

A peptide aldehyde that inhibits proteasome and calpain, potentially reducing ubiquitin-mediated degradation.

Bortezomib

179324-69-7sc-217785
sc-217785A
2.5 mg
25 mg
$132.00
$1064.00
115
(2)

A dipeptide boronic acid that inhibits the 26S proteasome, potentially affecting proteins regulated by ubiquitination.

Epoxomicin

134381-21-8sc-201298C
sc-201298
sc-201298A
sc-201298B
50 µg
100 µg
250 µg
500 µg
$134.00
$215.00
$440.00
$496.00
19
(2)

A natural product that irreversibly inhibits proteasome activity, altering the turnover of ubiquitinated proteins.

Carfilzomib

868540-17-4sc-396755
5 mg
$40.00
(0)

An epoxyketone that irreversibly inhibits the proteasome, influencing the degradation of proteins involved in cell cycle regulation.

Ubiquitin E1 Inhibitor, PYR-41

418805-02-4sc-358737
25 mg
$360.00
4
(1)

A cell-permeable compound that inhibits ubiquitin-activating enzyme E1, impacting ubiquitin-mediated processes.

IU1

314245-33-5sc-361215
sc-361215A
sc-361215B
10 mg
50 mg
100 mg
$138.00
$607.00
$866.00
2
(0)

A small molecule that inhibits deubiquitinase Usp14, possibly affecting the disassembly of ubiquitin chains on proteasomal substrates.

MLN 4924

905579-51-3sc-484814
1 mg
$280.00
1
(0)

A small molecule inhibitor of NEDD8-activating enzyme, altering the activity of cullin-RING ligases.

Lactacystin

133343-34-7sc-3575
sc-3575A
200 µg
1 mg
$165.00
$575.00
60
(2)

The active form of lactacystin that inhibits the proteasome, interfering with the degradation of ubiquitinated proteins.

P005091

882257-11-6sc-478535
10 mg
$155.00
(0)

A small molecule inhibitor of ubiquitin-specific protease 7 (USP7), potentially impacting PRC1 function.

Chloroquine

54-05-7sc-507304
250 mg
$68.00
2
(0)

An antimalarial drug that can raise lysosomal pH, which may affect the degradation of ubiquitinated proteins.