Date published: 2026-4-1

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HMG-2 Inhibitors

HMGB2 inhibitors encompass a varied group of compounds that can affect HMGB2 functionality by diverse mechanisms. These range from direct competition for DNA binding sites to the suppression of HMGB2 synthesis. Minor groove binders such as Distamycin A, Mithramycin A, Netropsin, and Chromomycin A3 act by occupying the DNA regions where HMGB2 typically binds. By doing so, they can impede HMGB2's ability to interact with DNA, which is essential for its role in chromatin remodeling and transcriptional regulation. On the other hand, agents that affect gene expression, such as Hesperidin and Epigallocatechin gallate, can influence the cellular levels of HMGB2. These do not directly target HMGB2 but may lead to a decrease in its synthesis and availability within the cell.

More broadly acting compounds like Ricin and α-Amanitin are potent inhibitors of protein synthesis. Their effect on HMGB2 would be part of a general decrease in cellular protein levels, including those involved in chromatin organization and transcriptional regulation. Actinomycin D, a classic transcription inhibitor, can suppress HMGB2 transcription directly. Meanwhile, DNA intercalators such as Ellipticine, Daunorubicin, and Mitoxantrone can hinder HMGB2's access to DNA by changing the DNA structure, thus preventing HMGB2 from exerting its biological functions.

SEE ALSO...

Product NameCAS #Catalog #QUANTITYPriceCitationsRATING

Mithramycin A

18378-89-7sc-200909
1 mg
$55.00
6
(1)

By binding to GC-rich sequences in the minor groove of DNA, this compound could prevent HMGB2 binding to these regions.

Chromomycin A3

7059-24-7sc-200907
10 mg
$260.00
(1)

It binds to G-C rich sequences of DNA, which could block HMGB2 from accessing its usual binding sites on the DNA.

Hesperidin

520-26-3sc-205711
sc-205711A
25 g
100 g
$82.00
$204.00
5
(1)

Flavonoid that can influence gene expression; it may alter HMGB2 levels or modify its interaction with DNA or other chromosomal proteins.

(−)-Epigallocatechin Gallate

989-51-5sc-200802
sc-200802A
sc-200802B
sc-200802C
sc-200802D
sc-200802E
10 mg
50 mg
100 mg
500 mg
1 g
10 g
$43.00
$73.00
$126.00
$243.00
$530.00
$1259.00
11
(1)

A catechin found in green tea that may modulate protein expression, including potentially reducing HMGB2 expression.

α-Amanitin

23109-05-9sc-202440
sc-202440A
1 mg
5 mg
$269.00
$1050.00
26
(2)

An inhibitor of RNA polymerase II that can suppress transcription, potentially decreasing HMGB2 synthesis.

Actinomycin D

50-76-0sc-200906
sc-200906A
sc-200906B
sc-200906C
sc-200906D
5 mg
25 mg
100 mg
1 g
10 g
$74.00
$243.00
$731.00
$2572.00
$21848.00
53
(3)

Interacts with DNA and inhibits RNA synthesis; could reduce HMGB2 levels by preventing its transcription.

Ellipticine

519-23-3sc-200878
sc-200878A
10 mg
50 mg
$145.00
$569.00
4
(1)

Alkaloid that intercalates into DNA and can disrupt the normal function of DNA-binding proteins like HMGB2.

Daunorubicin hydrochloride

23541-50-6sc-200921
sc-200921A
sc-200921B
sc-200921C
10 mg
50 mg
250 mg
1 g
$105.00
$438.00
$837.00
$1569.00
4
(1)

An anthracycline that intercalates into DNA and could block HMGB2 from binding to DNA, inhibiting its function.

Mitoxantrone

65271-80-9sc-207888
100 mg
$285.00
8
(1)

A synthetic anthracenedione that intercalates into DNA, potentially hindering HMGB2 DNA-binding activity.