Date published: 2025-9-9

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UBE1Y1 Inhibitors

UBE1Y1 inhibitors are a class of chemical compounds that specifically target and inhibit the activity of the UBE1Y1 enzyme, which is an E1 ubiquitin-activating enzyme. UBE1Y1 plays a pivotal role in the ubiquitin-proteasome system, a biochemical pathway responsible for tagging and degrading unwanted or damaged proteins within the cell. This process begins with the activation of ubiquitin by E1 enzymes like UBE1Y1, which catalyze the ATP-dependent attachment of ubiquitin to specific target proteins, marking them for subsequent degradation by the proteasome. Inhibiting UBE1Y1 disrupts this cascade, leading to alterations in cellular protein homeostasis. By blocking the initial step of ubiquitin activation, UBE1Y1 inhibitors prevent the downstream conjugation and degradation processes, causing an accumulation of proteins that would otherwise be recycled.

Structurally, UBE1Y1 inhibitors often contain molecular frameworks designed to selectively bind the active site or allosteric regions of the UBE1Y1 enzyme, preventing its interaction with ubiquitin and ATP. The specificity of these inhibitors can vary, with some designed to precisely target UBE1Y1 without affecting other ubiquitin-activating enzymes, while others may exhibit broader inhibitory effects on related E1 enzymes. These inhibitors are also useful as tools for investigating the fundamental biological processes governed by ubiquitin-mediated protein degradation. In particular, they allow researchers to study the mechanistic roles of UBE1Y1 in cellular signaling, protein turnover, and stress responses. Furthermore, their role in modulating proteostasis makes UBE1Y1 inhibitors valuable in probing the consequences of ubiquitin system dysfunction at the molecular level.

SEE ALSO...

Product NameCAS #Catalog #QUANTITYPriceCitationsRATING

Geldanamycin

30562-34-6sc-200617B
sc-200617C
sc-200617
sc-200617A
100 µg
500 µg
1 mg
5 mg
$38.00
$58.00
$102.00
$202.00
8
(1)

Geldanamycin inhibits the expression of ubiquitin-activating enzyme, Chr Y by binding to Hsp90, leading to the degradation of Hsp90 client proteins including the enzyme, through the ubiquitin-proteasome pathway.

17-AAG

75747-14-7sc-200641
sc-200641A
1 mg
5 mg
$66.00
$153.00
16
(2)

17-AAG inhibits the expression of ubiquitin-activating enzyme, Chr Y by binding to Hsp90, causing destabilization and degradation of Hsp90 client proteins including the enzyme, via the ubiquitin-proteasome pathway.

Radicicol

12772-57-5sc-200620
sc-200620A
1 mg
5 mg
$90.00
$326.00
13
(1)

Radicicol inhibits the expression of ubiquitin-activating enzyme, Chr Y by binding to Hsp90, leading to the destabilization and degradation of Hsp90 client proteins including the enzyme, via the ubiquitin-proteasome pathway.

NVP-AUY922

747412-49-3sc-364551
sc-364551A
sc-364551B
sc-364551C
sc-364551D
sc-364551E
5 mg
25 mg
100 mg
250 mg
1 g
5 g
$150.00
$263.00
$726.00
$1400.00
$2900.00
$11000.00
3
(1)

NVP-AUY922 inhibits the expression of ubiquitin-activating enzyme, Chr Y by binding to Hsp90, causing destabilization and degradation of Hsp90 client proteins including the enzyme, via the ubiquitin-proteasome pathway.

BIIB 021

848695-25-0sc-364434
sc-364434A
5 mg
25 mg
$128.00
$650.00
(0)

BIIB021 inhibits the expression of ubiquitin-activating enzyme, Chr Y by binding to Hsp90, leading to the destabilization and degradation of Hsp90 client proteins including the enzyme, through the ubiquitin-proteasome pathway.

SAG

912545-86-9sc-212905
sc-212905A
1 mg
5 mg
$163.00
$413.00
27
(1)

AT13387 inhibits the expression of ubiquitin-activating enzyme, Chr Y by binding to Hsp90, causing destabilization and degradation of Hsp90 client proteins including the enzyme, via the ubiquitin-proteasome pathway.

Ganetespib

888216-25-9sc-364496
sc-364496A
10 mg
250 mg
$268.00
$1020.00
(0)

Ganetespib inhibits the expression of ubiquitin-activating enzyme, Chr Y by binding to Hsp90, leading to the destabilization and degradation of Hsp90 client proteins including the enzyme, through the ubiquitin-proteasome pathway.

17-DMAG

467214-20-6sc-202005
1 mg
$201.00
8
(1)

Alvespimycin inhibits the expression of ubiquitin-activating enzyme, Chr Y by binding to Hsp90, leading to the destabilization and degradation of Hsp90 client proteins including the enzyme, via the ubiquitin-proteasome pathway.