Ro 3-1314 is an inhibitor of both COX and lipoxygenase. Ro 3-1314 inhibits ram seminal vesicle COX with a Ki of 0.6 µM. It is a more effective inhibitor of COX-1 than of 15-LO, inhibiting 95% and 68%, respectively, of these enzymatic activities when used at a concentration of 48 µM.

A non-nucleoside reverse transcriptase inhibitor that binds to viral reverse transcriptase and blocks polymerase activity by preventing RNA plus-strand initiation (IC₅₀s = ~ 0.45 to 0.9 μM).

A reversible inhibitor of serine proteases such as trypsin (Ki = 0.06 pM), chymotrypsin (Ki = 9.5 nM), and kallikrein (Ki = 0.8 nM); widely used as a protein purification tool to prevent proteases present in tissue samples from degrading the protein of interest.

A lipid peroxidation product; actively modifies histidine and lysine residues on proteins and causes protein cross-linking.

A nonpeptidic antagonist of CCK1 (IC₅₀ = 50 nM) that is 60-fold less effective at CCK2 (IC₅₀ = 3 µM); blocks CCK-mediated gut muscle contraction, pancreatic growth, and pancreatic secretion; commonly used to study the roles of CCK1 in tissues and in animals.

An activator of the ATP-sensitive K+ channels that displays anti-ischemic (EC25 = 8.9 μM) and cardioprotective (IC₅₀ = 0.03 μM) effects in rat hearts.

A non-steroidal androgen receptor antagonist (IC50 = 36 nM); reduces the efficiency of nuclear translocation of the androgen receptor and impairs both its binding to DNA and the recruitment of coactivators.

A reversible inhibitor of Lp-PLA2 (IC₅₀ = 0.25 nM) that produces sustained inhibition of plasma Lp-PLA2 activity in humans.

6-Aminonicotinamide inhibits glucose-6-phosphate dehydrogenase and suppresses activity in the pentose phosphate pathway. This compound exhibits potential anticancer benefit, inducing apoptosis and inhibiting the growth of cancer cells when combined with 2-deoxy-D-glucose. In vitro,…

A stable, potent analog of erbstatin; inhibits EGFR tyrosine kinase in vitro with an IC50 of 0.14 µg/ml; inhibits EGF-stimulated growth in NIH3T3 cells with an IC50 value of 0.5 µg/ml; delays onset of EGF-induced DNA synthesis.

A redox indicator used to detect cellular respiration; primarily reduced by Complex I in mitochondria and, under anaerobic conditions, is completely reduced to an insoluble red 1,3,5-triphenylformazan.

An active metabolite of propranolol, inhibiting β1- and β2-adrenergic receptors with KD values of 2.4 and 5.8 nM, respectively; comparable to propranolol in potency in antagonizing the effects of isoprenaline on heart rate and blood pressure in cats and dogs.

A platinum-containing compound that acts as an alkylating agent; used alone or in combination therapy in the treatment of several types of cancer; inhibits the RecA recombinase of M. tuberculosis (IC₅₀ = 2 µM), blocking protein splicing and cell growth.

A central nervous system modulator that is used to experimentally induce seizures in animals; used extensively to screen for compounds that block the production of nonconvulsive (absence or myoclonic) seizures.

A chromogenic cephalosporin substrate commonly used to detect β-lactamases in bacteria and other microbes.

An aromatic hydrazine-containing fluorophore that reacts with aldehydes or ketones for fluorescent labeling.

A lipophilic, nontoxic, iron-chelating agent that shows high iron chelation efficacy both in vitro in cell culture models and also in vivo in rats and mice.

A potent and selective PPARγ antagonist with an apparent IC50 value of 1 nM for the human receptor.

An inhibitor of mitochondrial F1FO ATP synthase that induces apoptosis in a variety of cell types (average GI50 = 270 nM); exhibits antifungal, antitumor, and nematocidal activities, but has poor solubility in water and other biocompatible solvents.

Adrenorphin is an endogenous opioid peptide produced from cleavage of proenkephalin A. Adrenorphin acts as an agonist at ?-opioid receptors (?ORs) and µ-opioid receptors (µORs). Like other opioids, adrenorphin exhibits analgesic, antinociceptive, and gastrointestinal motility modulating…

A selective nonphosphoinositide inhibitor that specifically disrupts PIP3/Akt PH domain binding (IC50 = 31 μM); suppresses PI3K-PDK1-Akt-dependent phosphorylation, which reduces cell viability and induces apoptosis in PTEN-deficient U87MG glioblastoma cells (IC50 = 37 μM).

A decomposition product of the macrolide antibiotic, erythromycin A that has been identified as a β-turn mimic of the peptide hormone motilin; used to determine the binding characteristics of ligands of the motilin receptor.

ß-Casomorphin is a peptide fragment of casein that exhibits antioxidative and anti-fibrotic activities. In vivo, ß-casomorphin improves high glucose-induced changes in oxidative enzyme secretion and activity. ß-Casomorphin also decreases urinary glucose and protein levels as well as serum creatine…

An inhibitor of the HATs p300 and pCAF (IC50 = 7 and 5 μM, respectively) that also inhibits the HAT Gcn5; promotes neurogenesis and ex vivo expansion of human hematopoietic stem cells; induces apoptosis in several types of cancer cells and has anti-inflammatory actions.

A selective inhibitor of Δ6 desaturase (IC50 = 0.2 µM in a rat liver microsomal assay) that completely blocks the conversion of linoleic acid to AA; orally active in vivo, decreasing edema in the carrageenan paw edema model in mice.

A steroid hormone produced in the cortex of the adrenal glands that binds to both glucocorticoid and mineralocorticoid receptors; also is the precursor to aldosterone synthesis.

A natural polymethoxylated flavonoid and potent antioxidant with good bioavailability; has anti-inflammatory effects that are relevant to a host of diseases, including cancer, arthritis, and neurodegeneration; inhibits P-glycoprotein and BCRP (IC₅₀ = 11.5 and 4.9 μM, respectively).

A fluorescent probe which stains dsRNA in living or fixed cells as well as in tissues; amenable to FC; maximum excitation is at 540-550 nm, with maximum emission at 560-580 nm.

A plant lectin that selectively cross-links cell-surface glycoproteins and affects the initiation of cell agglutination, mitogenesis, and apoptosis; widely used in affinity chromatography purifications of various glycoproteins and cellular structures; also used to induce liver injury in…

An aminonucleoside antibiotic that blocks protein synthesis in both prokaryotes and eukaryotes by causing premature termination of nascent polypeptide chains; used in assays for peptide-bond formation and elongation and also often used as selective agent in cell culture systems.

A natural and potent inhibitor of NEP and NEP2, with Ki values of 2 nM for both enzymes; also a weak inhibitor of the related zinc metalloprotease ECE (Ki = 3.5 µM); has little or no effect on a variety of other proteases.

Pure Canavalia ensiformis lectin (Con A) from Jackbean. Isolated by affinity chromatography on cross-linked dextran. Con A exists as a dimer below pH 5.0 and and at pH >7 it exists as a tetramer. Con-A is not a glycoprotein. The monomeric molecular weight of Con-A is 25,500. Con-A does not…