Date published: 2026-6-3

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PIG-K Activators

Phosphatidylinositol glycan anchor biosynthesis class K protein (PIG-K), also known as Gpi8, is a protein that in humans is encoded by the PIGK gene. This protein is an integral part of the GPI transamidase complex, which is involved in the attachment of proteins to the cell surface via glycosylphosphatidylinositol (GPI) anchors.

GPI anchors are glycolipids that attach to the C-terminus of specific proteins, enabling them to anchor to the cell membrane. They play a crucial role in various biological processes, including signal transduction, protein sorting, and cell-cell interactions.PIG-K/Gpi8, as a component of the GPI transamidase complex, is involved in the final step of GPI anchoring. It cleaves the GPI anchor precursor at its preformed signal peptide, and simultaneously transfers the protein to the exposed GPI structure. The resulting GPI-anchored protein can then be transported to the cell surface.Defects in other parts of the GPI anchor biosynthesis pathway have been linked to a group of disorders known as GPI-anchor deficiencies, which can have wide-ranging effects, from developmental delay to epilepsy.

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Items 1 to 10 of 11 total

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Product NameCAS #Catalog #QUANTITYPriceCitationsRATING

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 Golgi structure and function, potentially affecting GPI-anchor biosynthesis where PIG-K is involved.

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, an enzyme in the Golgi, which might indirectly influence PIG-K related pathways.

Monensin A

17090-79-8sc-362032
sc-362032A
5 mg
25 mg
$155.00
$525.00
(1)

Monensin is an ionophore that alters Golgi function and could impact processes related to GPI-anchor biosynthesis.

Tunicamycin

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

Tunicamycin inhibits N-linked glycosylation, which could indirectly affect GPI-anchor biosynthesis and PIG-K activity.

D-Mannoheptulose

3615-44-9sc-221499A
sc-221499
sc-221499B
sc-221499C
sc-221499D
25 mg
50 mg
100 mg
250 mg
500 mg
$261.00
$474.00
$915.00
$1851.00
$3692.00
1
(1)

Mannosamine is an inhibitor of mannosylation, a process potentially linked to GPI-anchor synthesis and PIG-K function.

Raloxifene

84449-90-1sc-476458
1 g
$802.00
3
(0)

As an analog of Coenzyme Q10, it might influence mitochondrial function, potentially impacting cellular processes including those involving PIG-K.

Cerulenin (synthetic)

17397-89-6sc-200827
sc-200827A
sc-200827B
5 mg
10 mg
50 mg
$161.00
$312.00
$1210.00
9
(1)

Cerulenin inhibits fatty acid synthase, potentially affecting lipid metabolism and indirectly GPI-anchor biosynthesis.

4-Hydroxyphenylretinamide

65646-68-6sc-200900
sc-200900A
5 mg
25 mg
$104.00
$315.00
(0)

Fenretinide affects lipid metabolism and might have indirect implications for GPI-anchor biosynthesis and PIG-K activity.

Triacsin C Solution in DMSO

76896-80-5sc-200574
sc-200574A
100 µg
1 mg
$187.00
$843.00
14
(1)

Triacsin C inhibits acyl-CoA synthetase, potentially influencing lipid metabolism linked with GPI-anchor biosynthesis.

U 18666A

3039-71-2sc-203306
sc-203306A
10 mg
50 mg
$143.00
$510.00
2
(1)

U18666A is an inhibitor of cholesterol trafficking, which might indirectly affect GPI-anchor biosynthesis involving PIG-K.