Date published: 2026-5-24

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MAN1B1 Activators

The activity or expression of MAN1B1, a key enzyme in the ER-associated maturation of glycoproteins, can be influenced indirectly by compounds that affect glycosylation processes, ER function, or cellular stress responses. Inhibitors of early steps in glycoprotein processing, such as Kifunensine and Swainsonine, might indirectly impact MAN1B1's function by modifying the substrate profile or demand for its activity. These compounds, by altering the pathway upstream of MAN1B1, could change the landscape of glycoprotein maturation and consequently the role of MAN1B1 in this process. Similarly, glucosidase inhibitors like Deoxynojirimycin and Castanospermine might affect the overall process of N-linked glycosylation, potentially influencing the substrates and conditions under which MAN1B1 operates.

Compounds that induce cellular stress or modulate the ER environment also have the potential to indirectly influence MAN1B1. Chemical chaperones like Sodium phenylbutyrate can alleviate ER stress and may impact the expression or function of enzymes like MAN1B1, optimizing their conditions for proper folding and processing of glycoproteins. On the other hand, ER stress inducers like Thapsigargin and proteasome inhibitors such as MG-132 [Z-Leu- Leu-Leu-CHO] could increase the demand for MAN1B1's role in quality control and processing of misfolded glycoproteins. Tunicamycin's inhibition of N-linked glycosylation initiation and Brefeldin A's disruption of Golgi apparatus function represent broader impacts on the secretory pathway, potentially affecting MAN1B1 indirectly through altered trafficking and maturation of glycoproteins. By understanding and potentially modulating these pathways, researchers and clinicians might influence the function of MAN1B1, contributing to the understanding and potential of conditions associated with its dysfunction, such as Congenital Disorders of Glycosylation and other related diseases.

SEE ALSO...

Items 1 to 10 of 12 total

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Product NameCAS #Catalog #QUANTITYPriceCitationsRATING

Kifunensine

109944-15-2sc-201364
sc-201364A
sc-201364B
sc-201364C
1 mg
5 mg
10 mg
100 mg
$135.00
$540.00
$1025.00
$6248.00
25
(2)

Kifunensine is a mannosidase inhibitor that specifically inhibits mannosidase I. Although not a direct activator, by inhibiting early steps in mannose trimming, it might indirectly affect the role or demand for MAN1B1 in N-glycan maturation.

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 is an inhibitor of alpha-mannosidase II and can alter glycoprotein processing. By affecting overall glycosylation, it might impact the downstream processes where MAN1B1 is involved.

Deoxynojirimycin

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

Deoxynojirimycin and its derivatives are alpha-glucosidase inhibitors. While not specific to MAN1B1, they affect glycoprotein folding and processing, potentially altering MAN1B1's substrate availability or function.

Castanospermine

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

Castanospermine is a glucosidase inhibitor that affects N-linked glycosylation. It might indirectly influence MAN1B1's function in the ER-associated degradation pathway or glycoprotein maturation.

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 addition of N-acetylglucosamine to nascent proteins. This disruption might indirectly affect MAN1B1 activity by altering glycoprotein processing in the ER.

Sodium phenylbutyrate

1716-12-7sc-200652
sc-200652A
sc-200652B
sc-200652C
sc-200652D
1 g
10 g
100 g
1 kg
10 kg
$77.00
$166.00
$622.00
$5004.00
$32783.00
43
(1)

Sodium phenylbutyrate is a chemical chaperone known to alleviate ER stress. By reducing ER stress, it might indirectly affect the function or expression of MAN1B1, especially under conditions that challenge protein folding and processing.

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

133407-82-6sc-201270
sc-201270A
sc-201270B
5 mg
25 mg
100 mg
$60.00
$265.00
$1000.00
163
(3)

MG132 is a proteasome inhibitor that can increase cellular levels of ubiquitinated proteins. Inducing a stress response might indirectly influence MAN1B1's role in glycoprotein processing or ER-associated degradation.

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 the structure and function of the Golgi apparatus, impacting protein secretion and processing. This might lead to altered MAN1B1 activity due to changes in glycoprotein trafficking and maturation.

Chloroquine

54-05-7sc-507304
250 mg
$69.00
2
(0)

Chloroquine is known to raise the pH in intracellular compartments like lysosomes, potentially affecting enzymes involved in glycosylation and glycoprotein processing, including MAN1B1.

Valproic Acid

99-66-1sc-213144
10 g
$87.00
9
(1)

Valproic acid is a histone deacetylase inhibitor that can influence gene expression. It might indirectly affect MAN1B1 by altering the transcriptional regulation of genes involved in ER function or glycosylation.