DNA/RNA Synthesis Inhibitor

CRT0044876 is a potent and selective apurinic/apyrimidinic endonuclease 1 (APE1) inhibitor (IC₅₀=~3 μM). CRT0044876 inhibits the AP endonuclease, 3′-phosphodiesterase and 3′-phosphatase activities of APE1, and is a specific inhibitor of the exonuclease III family of enzymes to which APE1 belongs. CRT0044876 potentiates the cytotoxicity of several DNA base-targeting compounds.

COH29 (RNR Inhibitor COH29) is a potent ribonucleotide reductase (RNR) inhibitor with anticancer activity. COH29 inhibits α and β subunit of RNR with IC₅₀s of 16 μM.

RP-6685 is a potent, selective and orally active DNA polymerase theta (Polθ) inhibitor with an IC₅₀ value of 5.8 nM (PicoGreen assay). RP-6685 shows antitumor efficacy in mouse tumor xenograft model. RP-6685 is a click chemistry reagent, it contains an Alkyne group and can undergo copper-catalyzed azide-alkyne cycloaddition (CuAAc) with molecules containing Azide groups.

RNase A (Bovine pancreatic RNase) is a widely used Endonuclease in DNA purification by specifically hydrolyzing cytosine or uracil residues of RNA. RNase A degrades the RNA in the RNA/DNA duplex. RNase A catalyses the breakdown of 3',5'-phosphodiester linkages of single stranded RNA. RNase A family members in organisms are tightly involved in various physiological and pathological processes including cell growth and development, proliferation, differentiation and migration. Dysregulation of RNase A activity or expression level is closely related to pancreatic, ovarian, bladder and thyroid cancer. RNase A has tumor cell-killing ability. RNase B, Bovine Pancreas (Ribonuclease B, Bovine Pancreas) is the N-glycosylated form of RNase A. RNase B, Bovine Pancreas can promote the folding of polypeptide chains and play a role similar to molecular chaperones.

Chebulinic acid is a potent natural inhibitor of M. tuberculosis DNA gyrase, also can inhibit SMAD-3 phosphorylation, inhibit H+ K+-ATPase activity.

Foscarnet sodium (Trisodium phosphonoformate) is a viral DNA polymerase activity inhibitor, leading to reversible suppression of viral replication. Foscarnet sodium is an antiherpesvirus agent used in cytomegalovirus retinitis.

YL-5092 is a selective YT521-B homology (YTH) domain-containing protein 1 (YTHDC1) inhibitor with an IC₅₀ of 7.4 nM and a K_D of 29.6 nM. YL-5092 can suppress cancer cell proliferation and induce cell G0/G1 phase arrest and apoptosis. YL-5092 can be used for the research of cancer, such as acute myeloid leukemia (AML).

Braco-19 is a potent telomerase/telomere inhibitor, preventing the capping and catalytic action of telomerase. Braco-19 acts as G-quadruplex (GQ) binding ligand, stabilizing G-quadruplexes formation at the 3V telomeric DNA overhang and produce rapid senescence or selective cell death. Braco-19 is also a HAdV virus replication inhibitor.

RCM-1 is a forkhead box M1 (FOXM1) inhibitor with an EC₅₀ of 0.72 μM in U2OS cells. RCM-1 blocks the nuclear localization and increased the proteasomal degradation of FOXM1. RCM-1 can be used for asthma and other chronic airway diseases research.

SEC inhibitor KL-2 (KL-2), a peptidomimetic lead compound, is a potent, selective super elongation complex (SEC) inhibitor and disrupts the interaction between the SEC scaffolding protein AFF4 and P-TEFb, resulting in impaired release of Pol II from promoter-proximal pause sites and a reduced average rate of processive transcription elongation. SEC inhibitor KL-2 exhibits an dose-dependent inhibitory effect on AFF4-CCNT1 interaction with a Ki of 1.50 μM.

L67 (DNA Ligase Inhibitor) is a competitive DNA ligase inhibitor that effectively inhibits DNA ligases I/III (both IC₅₀ are 10 μM). L67 can cause nuclear DNA damage by reducing levels of mitochondrial DNA and increasing levels of mitochondrially-generated ROS. L67 also activates the Caspase 1-dependent apoptosis pathway in cancer cells, can be used in cancer research.

6-(Dimethylamino) purine (6-Dimethylaminopurine) is a serine threonine protein kinase inhibitor. 6-(Dimethylamino) purine can inhibit prolactin induced expression of lactoprotein genes in rabbit mammary gland cells. 6-(Dimethylamino) purine can affect the maturation of mammalian oocytes. 6-(Dimethylamino) purine can lead to downregulation of genes related to cell proliferation and cell cycle progression, such as proliferating cell nuclear antigen, insulin-like gene 1, and serine protease inhibitor 2 genes, and induce apoptosis in lymphoma cells (apoptosis).

Halofuginone hydrobromide (RU-19110 hydrobromide), a Febrifugine derivative, is a competitive prolyl-tRNA synthetase inhibitor with a K_i of 18.3 nM. Halofuginone hydrobromide is a specific inhibitor of type-I collagen synthesis and attenuates osteoarthritis (OA) by inhibition of TGF-β activity. Halofuginone hydrobromide is also a potent pulmonary vasodilator by activating Kv channels and blocking voltage-gated, receptor-operated and store-operated Ca²⁺ channels. Halofuginone hydrobromide has anti-malaria, anti-inflammatory, anti-cancer, anti-fibrosis effects.

RNase L-IN-1 is a RNase L inhibitor with an IC₅₀ of 15.9 μM. RNase L-IN-1 binds to the ATP-binding pocket of RNase L, and inhibits ribosomal RNA cleavage. RNase L-IN-1 can be used for the research of RNase L-associated cellular processes.

GS-443902 trisodium (GS-441524 triphosphate trisodium) is a potent viral RNA-dependent RNA-polymerases (RdRp) inhibitor with IC₅₀s of 1.1 μM, 5 μM for RSV RdRp and HCV RdRp, respectively. GS-443902 trisodium is the active triphosphate metabolite of Remdesivir (GS-5734).

Triciribine is a DNA synthesis inhibitor, also inhibits Akt and HIV-1/2 with IC₅₀ of 130 nM, and 0.02-0.46 μM, respectively.

SCR130 is a SCR7-based DNA nonhomologous end-joining (NHEJ) inhibitor. SCR130 inhibits the end-joining of DNA in a Ligase IV-dependent manner. SCR130 is specific to Ligase IV, and shows minimal or no effect on Ligase III and Ligase I mediated joining. SCR130 induces cell apoptosis and has anticancer activity.

NSC 617145 is a selective werner syndrome helicase (WRN) helicase inhibitor with an IC₅₀ value of 230 nM. NSC 617145 inhibits WRN ATPase, and induces double-strand breaks (DSB) and chromosomal abnormalities. NSC 617145 shows selective for WRN over BLM, FANCJ, ChlR1, RecQ, and UvrD helicases.

Trimetrexate (CI-898) is an antibiotic, also a potent and orally active dihydrofolate reductase (DHFR) inhibitor, reducing the production of DNA and RNA precursors and leading to cell death, with IC₅₀ values of 4.74 nM and 1.35 nM for human DHFR and Toxoplasma gondii DHFR. Trimetrexate can also inhibit the growth of various cancer cells. Trimetrexate can be used for researching Pneumocystis carinii pneumonia (PCP) and cancer.

2,4-D (2, 4-dichlorophenoxyacetic acid) is a selective herbicide that can be used for the control of broad-leaved weeds. 2,4-D can induce apoptosis. 2,4-D inhibits DNA and protein synthesis, thereby preventing normal plant growth and development.