Date published: 2026-3-7

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SPT3 Inhibitors

SPT3 Inhibitors primarily function to modulate the intricate mechanisms of transcriptional regulation, in which SPT3 plays a pivotal role as a member of the SAGA complex. The prominence of histone acetylation and deacetylation in transcriptional activation and repression necessitates the involvement of HDAC inhibitors like Trichostatin A, Vorinostat, and Nicotinamide. These molecules aim to increase global histone acetylation, subsequently influencing the myriad processes in which SPT3 and its associated SAGA complex partake.

Similarly, the role of histone acetyltransferases (HATs) cannot be sidelined, considering SPT3's involvement in histone acetylation. Anacardic acid, Garcinol, and Curcumin, known to inhibit HATs like p300/CBP, indirectly provide a mechanism to modulate SPT3's function. On a broader spectrum, molecules like ICG-001, PU139, and JQ1 target other components of the transcriptional machinery, further highlighting the intricate nature of transcriptional regulation.

SEE ALSO...

Product NameCAS #Catalog #QUANTITYPriceCitationsRATING

Trichostatin A

58880-19-6sc-3511
sc-3511A
sc-3511B
sc-3511C
sc-3511D
1 mg
5 mg
10 mg
25 mg
50 mg
$152.00
$479.00
$632.00
$1223.00
$2132.00
33
(3)

Histone deacetylase (HDAC) inhibitor that increases histone acetylation levels. This could indirectly impact SPT3's function within SAGA.

Suberoylanilide Hydroxamic Acid

149647-78-9sc-220139
sc-220139A
100 mg
500 mg
$133.00
$275.00
37
(2)

HDAC inhibitor known to increase global histone acetylation, potentially modulating processes where SPT3 is active.

Anacardic Acid

16611-84-0sc-202463
sc-202463A
5 mg
25 mg
$102.00
$204.00
13
(1)

Inhibits histone acetyltransferase (HAT) p300/CBP. SPT3's role in acetylation could be influenced if p300/CBP is involved.

Garcinol

78824-30-3sc-200891
sc-200891A
10 mg
50 mg
$124.00
$502.00
13
(1)

HAT inhibitor affecting p300/CBP. By modulating HAT activity, it can indirectly influence SPT3's acetylation function.

Nicotinamide

98-92-0sc-208096
sc-208096A
sc-208096B
sc-208096C
100 g
250 g
1 kg
5 kg
$44.00
$66.00
$204.00
$831.00
6
(1)

Sirtuin HDAC inhibitor. This can increase histone acetylation, potentially affecting pathways where SPT3 plays a role.

Curcumin

458-37-7sc-200509
sc-200509A
sc-200509B
sc-200509C
sc-200509D
sc-200509F
sc-200509E
1 g
5 g
25 g
100 g
250 g
1 kg
2.5 kg
$37.00
$69.00
$109.00
$218.00
$239.00
$879.00
$1968.00
47
(1)

Inhibits p300/CBP HAT activity. SPT3's role in SAGA-mediated acetylation might be influenced if p300/CBP has any associated function.

(±)-JQ1

1268524-69-1sc-472932
sc-472932A
5 mg
25 mg
$231.00
$863.00
1
(0)

Inhibits BRD4 bromodomain. Affecting BRD4's role in transcription elongation may indirectly modulate SPT3-associated processes.

DBeQ

177355-84-9sc-499943
10 mg
$330.00
1
(0)

VCP/p97 inhibitor. Involved in chromatin-associated degradation, which might indirectly touch upon SPT3's regulatory roles.

Tenovin-6

1011557-82-6sc-224296
sc-224296A
1 mg
5 mg
$272.00
$1214.00
9
(1)

Sirtuin inhibitor, affecting HDAC activity. Increased histone acetylation may indirectly affect processes where SPT3 is involved.