Date published: 2026-3-3

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Rnr1 Activators

Rnr1 Activators constitute a distinct chemical class within the realm of biochemistry, specifically associated with the regulation of ribonucleotide reductase (RNR) activity. Ribonucleotide reductase plays a pivotal role in cellular processes by catalyzing the conversion of ribonucleotides to deoxyribonucleotides, a crucial step in DNA synthesis. The activation of Rnr1, a subunit of the ribonucleotide reductase enzyme complex, is essential for maintaining the delicate balance of nucleotide pools necessary for DNA replication and repair.

Chemically, Rnr1 Activators are characterized by their ability to modulate the enzymatic activity of Rnr1, thereby influencing the overall rate of deoxyribonucleotide production. These activators often interact with specific sites on the Rnr1 protein, inducing conformational changes that enhance its catalytic function. The molecular mechanisms through which Rnr1 Activators exert their influence are intricate, involving intricate interactions with the active site and allosteric sites of the enzyme. This unique chemical class, therefore, represents a group of compounds that possess the capability to fine-tune the delicate equilibrium of nucleotide pools within the cell, contributing to the intricate orchestration of DNA synthesis and maintenance of genomic integrity. Understanding the structural and biochemical features of Rnr1 Activators holds significant promise for advancing our knowledge of cellular processes and may have implications in various scientific domains.

SEE ALSO...

Product NameCAS #Catalog #QUANTITYPriceCitationsRATING

ATM Kinase Inhibitor

587871-26-9sc-202963
2 mg
$110.00
28
(2)

Acts as an ATM kinase inhibitor, indirectly enhancing Rnr1 by modulating the DNA damage response pathway.

AZD7762

860352-01-8sc-364423
2 mg
$107.00
(1)

Functions as a CHK1 inhibitor, indirectly activating Rnr1 by modulating cell cycle regulation and potentially influencing DNA synthesis.

Aphidicolin

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

Directly inhibits DNA polymerases, suppressing DNA synthesis and subsequently activating the activity of ribonucleotide reductase.

Nocodazole

31430-18-9sc-3518B
sc-3518
sc-3518C
sc-3518A
5 mg
10 mg
25 mg
50 mg
$59.00
$85.00
$143.00
$247.00
38
(2)

Induces cell cycle arrest, indirectly activating Rnr1 by influencing DNA replication, a crucial process for ribonucleotide reductase activity.

Cisplatin

15663-27-1sc-200896
sc-200896A
100 mg
500 mg
$138.00
$380.00
101
(4)

Forms DNA adducts, inducing a DNA damage response, which indirectly may activate Rnr1.

Etoposide (VP-16)

33419-42-0sc-3512B
sc-3512
sc-3512A
10 mg
100 mg
500 mg
$51.00
$231.00
$523.00
63
(1)

Induces DNA damage directly and activates DNA damage response pathways, indirectly influencing Rnr1 activity.

L-Mimosine

500-44-7sc-201536A
sc-201536B
sc-201536
sc-201536C
25 mg
100 mg
500 mg
1 g
$36.00
$88.00
$220.00
$436.00
8
(2)

Inhibits ribonucleotide reductase directly by sequestering iron, a cofactor essential for its activation.

DNA-PK Inhibitor II

154447-35-5sc-202143
sc-202143A
10 mg
50 mg
$155.00
$660.00
6
(1)

Functions as an inhibitor of DNA-dependent protein kinase (DNA-PK), indirectly impacting Rnr1 by modulating DNA repair mechanisms.

AICAR

2627-69-2sc-200659
sc-200659A
sc-200659B
50 mg
250 mg
1 g
$65.00
$280.00
$400.00
48
(2)

Activates AMP-activated protein kinase (AMPK) directly, influencing cellular energy balance and potentially activating Rnr1.