Date published: 2026-4-1

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Srs2 Activators

Chemicals that can indirectly influence the pathways or cellular processes related to Srs2 are mainly agents that induce DNA damage or inhibit the DNA damage response. Srs2, a helicase protein, plays a role in DNA repair and is particularly known for its role in homologous recombination suppression. Many chemicals, such as the ATR and ATM inhibitors, function by directly or indirectly causing DNA damage or replication stress, which can in turn activate the DNA repair mechanisms in which Srs2 is involved.

Others, like caffeine, have a more multifaceted mechanism, inhibiting multiple kinases involved in the DNA damage response. Another set of chemicals, like camptothecin and olaparib, target specific proteins or enzymes involved in DNA repair or replication. When these proteins or enzymes are inhibited, the cell is prompted to utilize alternative DNA repair mechanisms, which can possibly lead to increased Srs2 activity. DNA damaging agents like MMS, Zeocin, and radiation types, directly create breaks in the DNA, demanding an immediate cellular response, which can involve Srs2 activation.

SEE ALSO...

Product NameCAS #Catalog #QUANTITYPriceCitationsRATING

Notoginsenoside R1

80418-24-2sc-205772
sc-205772A
5 mg
10 mg
$141.00
$204.00
(0)

ATR (Ataxia telangiectasia and Rad3 related) is a key player in DNA damage response. Inhibiting ATR can cause DNA damage, potentially triggering Srs2 activation.

LY 294002

154447-36-6sc-201426
sc-201426A
5 mg
25 mg
$123.00
$400.00
148
(1)

ATM (Ataxia telangiectasia mutated) plays a role in the DNA damage response. Inhibition can potentially stimulate Srs2-mediated repair processes.

Caffeine

58-08-2sc-202514
sc-202514A
sc-202514B
sc-202514C
sc-202514D
50 g
100 g
250 g
1 kg
5 kg
$33.00
$67.00
$97.00
$192.00
$775.00
13
(1)

Caffeine can inhibit ATM and ATR kinases, which might indirectly lead to Srs2 activation due to the DNA damage response.

Camptothecin

7689-03-4sc-200871
sc-200871A
sc-200871B
50 mg
250 mg
100 mg
$58.00
$186.00
$94.00
21
(2)

This is a topoisomerase I inhibitor, inducing DNA breaks. These breaks can potentially stimulate Srs2 activity.

Hydroxyurea

127-07-1sc-29061
sc-29061A
5 g
25 g
$78.00
$260.00
18
(1)

It inhibits ribonucleotide reductase, leading to reduced dNTP pools and replication stress, which can potentially activate Srs2.

Olaparib

763113-22-0sc-302017
sc-302017A
sc-302017B
250 mg
500 mg
1 g
$210.00
$305.00
$495.00
10
(1)

A PARP inhibitor. PARP is involved in the DNA damage response, and its inhibition might indirectly activate Srs2.

Aphidicolin

38966-21-1sc-201535
sc-201535A
sc-201535B
1 mg
5 mg
25 mg
$84.00
$306.00
$1104.00
30
(3)

This is a DNA polymerase inhibitor, inducing replication stress, which can potentially activate Srs2.

Methyl methanesulfonate

66-27-3sc-250376
sc-250376A
5 g
25 g
$56.00
$133.00
2
(2)

Methyl methanesulfonate is a DNA damaging agent. DNA damage can potentially activate Srs2.

Bleomycin

11056-06-7sc-507293
5 mg
$275.00
5
(0)

Induces DNA breaks, which can lead to potential activation of Srs2.