Date published: 2026-4-24

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Ribophorin I Inhibitors

Ribophorin I inhibitors, in this context, refer to chemicals that indirectly influence the activity or function of Ribophorin I. As Ribophorin I plays a critical role in N-linked glycosylation within the ER, most inhibitors focus on disrupting this process or causing ER stress, indirectly affecting Ribophorin I's functionality. The primary mechanism of these inhibitors revolves around interfering with various steps of glycosylation or ER-related processes. Tunicamycin, for example, directly inhibits the first step of N-linked glycosylation, thus having a downstream impact on Ribophorin I's role. Brefeldin A and Thapsigargin, on the other hand, disrupt ER functions by altering ER-Golgi transport and calcium homeostasis, respectively. These changes in the ER environment can indirectly influence Ribophorin I's stability and activity.

Moreover, inhibitors like Castanospermine and Deoxynojirimycin target specific enzymes in the glycosylation pathway, leading to altered glycan structures on newly synthesized proteins. This alteration can affect the overall glycosylation process, where Ribophorin I is a crucial player. Similarly, Clotrimazole and Salubrinal target other aspects of ER function, such as calcium signaling and stress response pathways, further demonstrating the diverse ways in which Ribophorin I can be indirectly inhibited.

SEE ALSO...

Product NameCAS #Catalog #QUANTITYPriceCitationsRATING

Tunicamycin

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

Tunicamycin inhibits N-linked glycosylation by blocking the transfer of N-acetylglucosamine to dolichol phosphate.

Brefeldin A

20350-15-6sc-200861C
sc-200861
sc-200861A
sc-200861B
1 mg
5 mg
25 mg
100 mg
$31.00
$53.00
$124.00
$374.00
25
(3)

Brefeldin A disrupts ER-Golgi transport, affecting protein glycosylation and folding, indirectly impacting RPN1.

Thapsigargin

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

Thapsigargin inhibits the sarcoplasmic/endoplasmic reticulum Ca²⁺ ATPase (SERCA), disrupting ER calcium homeostasis.

Ionomycin

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

Ionomycin increases intracellular calcium levels, potentially disturbing ER functions and impacting RPN1 activity.

Cyclopiazonic Acid

18172-33-3sc-201510
sc-201510A
10 mg
50 mg
$176.00
$624.00
3
(1)

Cyclopiazonic Acid is a SERCA inhibitor, leading to ER stress which could indirectly affect Ribophorin I.

Castanospermine

79831-76-8sc-201358
sc-201358A
100 mg
500 mg
$184.00
$632.00
10
(1)

Castanospermine inhibits glucosidases involved in N-linked glycosylation, potentially influencing RPN1 function.

Deoxynojirimycin

19130-96-2sc-201369
sc-201369A
1 mg
5 mg
$73.00
$145.00
(0)

Deoxynojirimycin is a glucosidase inhibitor, altering N-linked glycosylation and indirectly affecting RPN1.

Swainsonine

72741-87-8sc-201362
sc-201362C
sc-201362A
sc-201362D
sc-201362B
1 mg
2 mg
5 mg
10 mg
25 mg
$138.00
$251.00
$631.00
$815.00
$1832.00
6
(1)

Swainsonine inhibits mannosidase II, involved in glycan processing, which may indirectly impact Ribophorin I.

Clotrimazole

23593-75-1sc-3583
sc-3583A
100 mg
1 g
$42.00
$57.00
6
(2)

Clotrimazole, known to inhibit Ca²⁺ ATPases, could induce ER stress and indirectly impact Ribophorin I.

Salubrinal

405060-95-9sc-202332
sc-202332A
1 mg
5 mg
$34.00
$104.00
87
(2)

Salubrinal targets the eIF2α pathway, involved in ER stress response, potentially affecting Ribophorin I.