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Pathways Recommended: Metabolic Enzyme/Protease
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free enzyme

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Cat. No. Product Name Target Research Areas Chemical Structure
  • HY-129064
    Superoxide dismutase, Porcine erythrocytes

    SOD

    		 SOD Inflammation/Immunology Cancer
    Superoxide dismutase, Porcine erythrocytes (SOD) is the only antioxidant enzyme that scavenges the superoxide anion by converting this free radical to oxygen and hydrogen peroxide, thus preventing peroxynitrite production and further damage. Superoxide dismutase, Porcine erythrocytes is extensively researched and used in anti-inflammatory, antitumor, radiation protection, and antisenility applications .
    Superoxide dismutase, Porcine erythrocytes
  • HY-W015239
    KAT8-IN-1
    1 Publications Verification

    		 Others Inflammation/Immunology Cancer
    KAT8-IN-1 is a lysine (K) acetyltransferase 8 (KAT8) inhibitor, with IC50s of 141 μM (KAT8), 221 μM (KAT2B), 106 μM (KAT3B), respectively. KAT8 inhibits histone acetyltransferases (HATs), and could result in disease states, such as cancer or inflammatory diseases .
    KAT8-IN-1
  • HY-144800
    FWM-1

    		SARS-CoV Infection
    FWM-1 is a potent SARS-COV-2 NSP13 helicase enzyme inhibitor with binding free energy equals -328.6 kcal/mol. FWM-1 effectively disrupts the binding of ATP to the SARS-COV2 helicase enzyme .
    FWM-1
  • HY-120148
    SM19712 free acid

    		Others Others
    SM19712 (free acid) is an endothelin-converting enzyme-1-related compound that affects corticotropin-releasing factor receptor 1 (CRF1).
    SM19712 free acid
  • HY-P2984
    Adenosine triphosphatase

    		Endogenous Metabolite Metabolic Disease
    Adenosine triphosphatase is an enzyme that catalyzes the decomposition of ATP into ADP and a free phosphate ion (Pi) .
    Adenosine triphosphatase
  • HY-167924
    Ono 3307 free base

    		Others Inflammation/Immunology
    Ono 3307 Free base is a novel synthetic protease inhibitor that exhibits protective effects against acute pancreatitis by preventing hyperamylasemia and pancreatic edema. Ono 3307 Free base also inhibits the redistribution of lysosomal enzymes in acinar cells and mitigates lactic dehydrogenase discharge. Ono 3307 Free base effectively reduces cathepsin B leakage from lysosomes in a dose-dependent manner.
    Ono 3307 free base
  • HY-10679
    PF-03049423 free base

    		Phosphodiesterase (PDE) Neurological Disease
    PF-03049423 (Compound PF-5) free base is a potent and highly selective phosphodiesterase-5A inhibitor with an IC50 of about 0.2 nM for rat and human platelet enzyme. PF-03049423 free base can be used for the research of acute ischaemic stroke .
    PF-03049423 free base
  • HY-P4739
    LHRH (1-5) (free acid)

    		GnRH Receptor Others
    LHRH (1-5) (free acid) is a polypeptide generated by the cleavage of LHRH at the Tyr 55-Gly 66 site. LHRH (1-5) (free acid) is converted into LHRH (1-3) and LHRH (4-5) fragments under the catalysis of Angiotensin-converting enzyme (HY-P2983) .
    LHRH (1-5) (free acid)
  • HY-P2818A
    Alkaline phosphatase, Escherichia coli

    Apase, Escherichia coli

    		 Endogenous Metabolite Others
    Alkaline phosphatase, Escherichia coli is a cytoplasm glycoprotein that catalyzes the hydrolysis of phosphate monoesters at alkaline pH. Alkaline phosphatase, Escherichia coli can be used in molecular biology and enzyme-free analysis .
    Alkaline phosphatase, Escherichia coli
  • HY-100313
    YM-53601 free base

    		Farnesyl Transferase HCV Metabolic Disease
    YM-53601 free base, a squalene synthase inhibitor, reduces plasma cholesterol and triglyceride levels in vivo . YM-53601 free base inhibits squalene synthase derived from human hepatoma cells with an IC50 of 79 nM. Lipid-lowering agent . YM-53601 free base is also an inhibitor of farnesyl-diphosphate farnesyltransferase 1 (FDFT1) enzyme activity and abrogates HCV propagation .
    YM-53601 free base
  • HY-E70069
    Endo S2, Streptococcus pyogenes

    		Others Others
    Endo-β-N-acetylglucosaminidase (Endo S2) is a key enzyme involved in the processing of free oligosaccharides in the cytosol. Endo-β-N-acetylglucosaminidase catalyzes hydrolysis of N-linked oligosaccharides .
    Endo S2, Streptococcus pyogenes
  • HY-135849
    Catalase, Aspergillus niger
    1 Publications Verification

    		 Reactive Oxygen Species Cancer
    Catalase, Aspergillus niger is a key enzyme in the metabolism of H2O2 and reactive oxygen species (ROS), and its expression and localization is markedly altered in tumors . Free oxygen radical scavenger.
    Catalase, Aspergillus niger
  • HY-136511
    Epicaptopril

    SQ 14534

    		 Angiotensin-converting Enzyme (ACE) Cardiovascular Disease
    Epicaptopril (SQ 14534) is the derivative of Captopril (HY-B0368). Epicaptopril is an inhibitor for angiotensin-converting enzyme (ACE). Epicaptopril enhances vasodilation in an endothelium-derived relaxing factor (EDRF)-dependent manner. Epicaptopril is a free radical scavenger, and can be used in research about oxidative stress and free radical damage caused cardiovascular disorders .
    Epicaptopril
  • HY-17543
    ML-323
    10+ Cited Publications

    		 Deubiquitinase Cancer
    ML-323 is a reversible, potent USP1-UAF1 inhibitor with IC50 of 76 nM in a Ub-Rho assay. The measured inhibition constants of ML-323 for the free enzyme (Ki) is 68 nM.
    ML-323
  • HY-12493
    LY-2584702 free base

    		Ribosomal S6 Kinase (RSK) Cancer
    LY-2584702 free base is a selective ATP competitive inhibitor of p70S6K with an IC50 of 4 nM. In S6K1 enzyme assay, the IC50 of LY-2584702 is 2 nM.
    LY-2584702 free base
  • HY-B0690
    Fosinopril

    SQ28555 free acid

    		 Angiotensin-converting Enzyme (ACE) Apoptosis Cardiovascular Disease
    Fosinopril (SQ28555 free acid) is the ester proagent of angiotensin-converting enzyme (ACE) inhibitor with an IC50 value of 0.18 μM. Fosinopril demonstrates a non-competitive inhibition effect on ACE activity with an Ki value of 1.675 μM .
    Fosinopril
  • HY-P2879B
    Cholesterol esterase, Candida cylindracea

    		Endogenous Metabolite Biochemical Assay Reagents Metabolic Disease
    Cholesterol esterase, Candida cylindracea is an enzyme located in the intestines that hydrolyzes cholesterol esters into cholesterol and free fatty acids. Also known as bile salt-stimulated lipase or carboxylester lipase, this enzyme facilitates cholesterol metabolism and absorption in the body. It can also be used as a biochemical reagent, and is employed in conjunction with cholesterol oxidase (HY-P2848) to measure cholesterol levels .
    Cholesterol esterase, Candida cylindracea
  • HY-E70024
    CMP-sialic acid synthetase (NmCSS)

    		Sialyltransferase Others
    CMP-sialic acid synthetase (NmCSS) is an essential enzyme involved in the biosynthesis of carbohydrates and glycoconjugates containing sialic acids. CMP-sialic acid synthetase (NmCSS) activates free Sia, converting it to CMP-Sia, which is the only donor substrate for all sialyltransferases .
    CMP-sialic acid synthetase (NmCSS)
  • HY-P2879C
    Cholesterol esterase, schizophyllum commune

    		Endogenous Metabolite Metabolic Disease
    Cholesterol esterase, Schizophyllum commune is an enzyme that catalyzes the hydrolysis of cholesterol esters into free cholesterol and fatty acids, facilitating the absorption of cholesterol in the intestine. Cholesterol esterase, Schizophyllum commune can be used in combination with cholesterol oxidase to measure cholesterol content .
    Cholesterol esterase, schizophyllum commune
  • HY-12501
    ITI-214 free base

    		Phosphodiesterase (PDE) Neurological Disease
    ITI-214 free base is a potent, CNS-active, orally bioavailable PDE1 inhibitor (Ki of 58 pM) with excellent selectivity against other PDE family members and against a panel of enzymes, receptors, transporters and ion channels. ITI-214 free base inhibits recombinant full-length human PDE1A, PDE1B and PDE1C with Kis of 33 pM, 380 pM and 35 pM, respectively. ITI-214 free base shows efficacy in various animal models of motor and cognitive functions .
    ITI-214 free base
  • HY-135534
    Lysine 4-nitroanilide

    		Others Others
    Lysine 4-nitroanilide is an amino acid derivative used in studies of enzymology. Two major arylamidase activities were isolated from particle-free supernatant of rat heart by DEAE-Sephadex chromatography. Although both enzymes hydrolyze L-leucine 4-nitroanilide, only the peak II enzyme does so. A third, minor peak (Ia) contains the enzyme active primarily toward L-lysine 4-nitroanilide. The molecular weights of the enzymes in peaks I and II are approximately 257,000 and 105,000, respectively. The optimum pH for the peak I enzyme is approximately pH 7.0, while that for the peak II enzyme is between 7.0 and 8.0. Both enzymes are inhibited by puromycin, p-hydroxymercurybenzoate, catechol, and divalent metal ions. Addition of dithiothreitol stimulates both activities. Dialysis against catechol resulted in inhibition of both peak I and II enzymes, but dialysis against EDTA inhibited only the peak II enzyme.
    Lysine 4-nitroanilide
  • HY-P2818
    Alkaline phosphatase, Bovine intestine
    1 Publications Verification

    Apase

    		 Endogenous Metabolite Metabolic Disease Cancer
    Alkaline phosphatase, Bovine intestine (Apase) is a membrane-bound glycoprotein that catalyzes the hydrolysis of phosphate monoesters at alkaline pH. Alkaline phosphatase can be used in molecular biology and enzyme-free analysis. Inhibition of tissue nonspecific alkaline phosphatase can block intracellular lipid accumulation .
    Alkaline phosphatase, Bovine intestine
  • HY-P2879A
    Cholesterol esterase, Porcine pancreas

    		Endogenous Metabolite Metabolic Disease
    Cholesterol esterase, Porcine pancreas is an enzyme that hydrolyzes cholesterol ester to cholesterol and free fatty acid in the intestinal lumen. Cholesterol synthesized in the acinar cells and is stored in zymogen granules. Cholesterol esterase is also known as bile salt-stimulated lipase and carboxy ester lipasea, acts function for acceleration of cholesterol absorption.
    Cholesterol esterase, Porcine pancreas
  • HY-13297
    PYZD-4409
    1 Publications Verification

    		 E1/E2/E3 Enzyme Cancer
    PYZD-4409 is a specific inhibitor of the ubiquitin-activating enzyme UBA1 with an IC50 of 20 μM (cell-free enzymatic assay). PYZD-4409 induces cell death in malignant cells and preferentially inhibits the clonogenic growth of primary acute myeloid leukemia cells .
    PYZD-4409
  • HY-119402
    TP-021

    BCL6-IN-8c

    		 Bcl-2 Family Cancer
    TP-021 (BCL6-IN-8c) is a potent and orally active B-cell lymphoma 6 (BCL6)-corepressor interaction inhibitor with an IC50 of 0.10 µM in cell-free enzyme-linked immunosorbent assay .
    TP-021
  • HY-P2879
    Cholesterol esterase, Pseudomonas

    		Endogenous Metabolite Metabolic Disease
    Cholesterol esterase, Pseudomonas is an enzyme that hydrolyzes cholesterol ester to cholesterol and free fatty acid in the intestinal lumen. Cholesterol synthesized in the acinar cells and is stored in zymogen granules. Cholesterol esterase is also known as bile salt-stimulated lipase and carboxy ester lipasea, acts function for acceleration of cholesterol absorption .
    Cholesterol esterase, Pseudomonas
  • HY-D0843S
    N-Ethylmaleimide-d5

    NEM-d5

    		 Cathepsin Deubiquitinase Others
    N-Ethylmaleimide-d5 is the deuterium labeled N-Ethylmaleimide. N-Ethylmaleimide (NEM), a reagent that alkylates free sulfhydryl groups, is a cysteine protease inhibitor[1]. N-ethylmaleimide specific inhibits phosphate transport in mitochondria[2]. N-Ethylmaleimide is also a deubiquitinating enzyme inhibitor[3].
    N-Ethylmaleimide-d5
  • HY-158362A
    Monoglyceride lipase, Bacillus sp.

    		Endogenous Metabolite Neurological Disease Metabolic Disease Inflammation/Immunology
    Monoglyceride lipase, Bacillus sp., is a key enzyme involved in lipid metabolism. It catalyzes the hydrolysis of monoglycerides (particularly 2-AG, or 2-arachidonoylglycerol) into glycerol and free fatty acids. By regulating the levels of 2-AG, Monoglyceride lipase, Bacillus sp., can influence neural signaling, pain perception, inflammatory responses, and metabolic processes .
    Monoglyceride lipase, Bacillus sp.
  • HY-B1451A
    Imidapril

    TA-6366 free base

    		 Angiotensin-converting Enzyme (ACE) MMP Cardiovascular Disease Metabolic Disease
    Imidapril (TA-6366 free base) is an orally active angiotensin-converting enzyme (ACE) and MMP-9 inhibitor. Imidapril suppresses the conversion of angiotensin I to angiotensin II and thereby reduces total peripheral resistance and systemic blood pressure. Imidapril can be used for hypertension, type 1 diabetic, nephropathy and chronic heart failure research .
    Imidapril
  • HY-W087904
    α-Lactose hydrate

    α-D-Lactose hydrate

    		 Endogenous Metabolite Others
    α-Lactose (hydrate) (α-D-Lactose (hydrate)) is the principal carbohydrate in the milk of most mammals. α-Lactose (hydrate) consists of glucose and galactose and exists in the form of two anomers, α and β. α-Lactose (hydrate) has many uses in the food and pharmaceutical industries, such as a free-flowing or agglomerating agent, a diluent for pigments, flavors, or enzymes .
    α-Lactose hydrate
  • HY-P2742B
    Ascorbate oxidase, acremonium sp

    		Endogenous Metabolite Metabolic Disease
    Ascorbate oxidase, acremonium sp is a member of the multicopper blue oxidase family and primarily exists in plants as a free enzyme in the cytoplasm or bound to the cell wall. Ascorbate oxidase, acremonium sp has a high activity in catalyzing the oxidation of ascorbic acid to dehydroascorbic acid, regulating various cellular processes related to plant growth, protection, and development. Ascorbate oxidase, acremonium sp can be used to detect hydrogen peroxide .
    Ascorbate oxidase, acremonium sp
  • HY-107825
    Flavonol

    		Endogenous Metabolite Bacterial Cholinesterase (ChE) Cardiovascular Disease Metabolic Disease Inflammation/Immunology Cancer
    Flavonol is a cholinesterase (ChE) inhibitor, with an IC50 value of 120 μM and a Ki value of 74 μM. Flavonol has antioxidant, free radical-scavenging, antibacterial properties, and immune modulation functions. Flavonol inhibits the PriA helicase of Staphylococcus aureus. Flavonol can suppress the production of NO in LPS-activated RAW 264.7 cells by inhibiting the expression of the iNOS enzyme. Flavonol shows protective and analgesic effects in mice through various neuronal pathways. Flavonol can be used in research related to tumors and atherosclerosis diseases .
    Flavonol
  • HY-145749
    PARPYnD

    		PARP Cancer
    PARPYnD is a PARP enzyme photoaffinity probe (AfBP) based on the triple PARP1/2/6 inhibitor AZ9482 (HY-119653), which induces breast cancer Formation of multipolar spindles (MPS) in cells. PARPYnD inhibits PAPR wih IC50 of 38 nM (PARP1), 6 nM (PARP2), 230 nM (PARP6), respectively. PARPYnD enriches recombinant PARP6 incorporated into cell lysates and inhibits PARP6 in cell-free assays, but it does not label PARP6 in intact cells .
    PARPYnD
  • HY-105572
    Moveltipril calcium

    MC-838 calcium

    		 Others Cardiovascular Disease
    Moveltipril calcium (MC-838 calcium) is an orally active angiotensin converting enzyme (ACE) inhibitor with antihypertensive activity. Moveltipril calcium binds via a stable thioester bond and exhibits relative resistance to enzymatic hydrolysis in rat liver homogenate. Moveltipril calcium effectively inhibits ACE extracted from rabbit lung in a concentration-dependent manner. Moveltipril calcium is able to highly specifically inhibit the contractile response to angiotensin-I (AI) in free rat aortic rings and guinea pig ileum preparations, while enhancing the contractile response to calcitonin .
    Moveltipril calcium
  • HY-117085
    Lobaric acid

    		Others Cancer
    Lobaric acid is a depsidone metabolite that has been isolated from Stereocaulon lichen species with antioxidant, antiproliferative, antiviral, and enzyme inhibitory activites. It scavenges superoxide radicals in a cell-free assay (IC50=97.9 μmol) and inhibits proliferation in a panel of leukemia, colorectal, gastric, breast, ovarian, prostate, pancreatic, and lung cancer cell lines (EC50s=15.2-63.9 μg/ml). Lobaric acid inhibits protein tyrosine phosphatase 1B (PTP1B; IC50=0.87 μM for the human recombinant enzyme) and production of 12(S)-HETE by 12(S)-lipoxygenase (IC50=28.5 μM).In vivo, lobaric acid (250 μM) decreases lesion number, but not lesion diameter, in tobacco leaves infected with tobacco mosaic virus (TMV).
    Lobaric acid
  • HY-12591
    D-Luciferin sodium
    Maximum Cited Publications
    43 Publications Verification

    D-(-)-Luciferin sodium; Firefly luciferin sodium; Beetle Luciferin sodium

    		 Fluorescent Dye Others
    D-luciferin is the natural substrate of the enzyme luciferase (Luc) that catalyzes the production of the typical yellowgreen light of fireflies. The 560 nm chemiluminescence from this reaction peaks within seconds, with light output that is proportional to luciferase concentration when the substrate luciferin is present in excess. The luciferase (luc) gene is a popular reporter gene for research and agent screening. Chemiluminescent techniques are virtually background-free, making the luc reporter gene ideal for detecting low-level gene expression. As little as 0.02 pg of luciferase can be reliably measured in a standard scintillation counter. In addition to its role as a reporter of gene expression, luciferase is commonly used in an extremely sensitive assay for ATP . We of er the firefly luciferase (HY-P1004), luciferin free acid (HY-12591A), as well as its water-soluble sodium salts (HY-12591) and potassium salts (HY-12591B) .
    D-Luciferin sodium
  • HY-12591A
    D-Luciferin
    Maximum Cited Publications
    43 Publications Verification

    D-(-)-Luciferin; Firefly luciferin; Beetle Luciferin

    		 Fluorescent Dye Others
    D-luciferin is the natural substrate of the enzyme luciferase (Luc) that catalyzes the production of the typical yellowgreen light of fireflies. The 560 nm chemiluminescence from this reaction peaks within seconds, with light output that is proportional to luciferase concentration when the substrate luciferin is present in excess. The luciferase (luc) gene is a popular reporter gene for research and agent screening. Chemiluminescent techniques are virtually background-free, making the luc reporter gene ideal for detecting low-level gene expression. As little as 0.02 pg of luciferase can be reliably measured in a standard scintillation counter. In addition to its role as a reporter of gene expression, luciferase is commonly used in an extremely sensitive assay for ATP . We of er the firefly luciferase (HY-P1004), luciferin free acid (HY-12591A), as well as its water-soluble sodium salts (HY-12591) and potassium salts (HY-12591B) .
    D-Luciferin
  • HY-12591B
    D-Luciferin potassium
    Maximum Cited Publications
    43 Publications Verification

    D-(-)-Luciferin potassium; Firefly luciferin potassium; Beetle Luciferin potassium

    		 Fluorescent Dye Others
    D-luciferin is the natural substrate of the enzyme luciferase (Luc) that catalyzes the production of the typical yellowgreen light of fireflies. The 560 nm chemiluminescence from this reaction peaks within seconds, with light output that is proportional to luciferase concentration when the substrate luciferin is present in excess. The luciferase (luc) gene is a popular reporter gene for research and agent screening. Chemiluminescent techniques are virtually background-free, making the luc reporter gene ideal for detecting low-level gene expression. As little as 0.02 pg of luciferase can be reliably measured in a standard scintillation counter. In addition to its role as a reporter of gene expression, luciferase is commonly used in an extremely sensitive assay for ATP . We offer the firefly luciferase (HY-P1004), luciferin free acid (HY-12591A), as well as its water-soluble sodium salts (HY-12591) and potassium salts (HY-12591B) .
    D-Luciferin potassium
  • HY-B1241A
    Dihydrostreptomycin

    DHSM

    		 Others Others
    Dihydrostreptomycin (DHSM) is an antibiotic that exhibits resistance to penicillin in strains of Pseudomonas lachrymans. Studies have shown that these strains can inactivate DHSM using a cell-free system in the presence of disodium adenosine triphosphate. The inactivated DHSM can be regenerated by alkaline phosphatase but not by phosphodiesterase. The structure of the inactivated DHSM has been determined by methods such as proton magnetic resonance imaging, and it was found that the hydroxyl group at the C-3 position of DHSM in its chemical structure is phosphorylated by the enzyme. Therefore, the study suggests that ATP:aminoglycoside 3"-phosphotransferase plays a role in DHSM resistance in Pseudomonas lachrymans N-7641 .
    Dihydrostreptomycin
  • HY-132184
    5,6-Epoxyeicosatrienoic acid

    5,6-EET; (±)5,6-EpETrE

    		 Adrenergic Receptor Endocrinology
    5,6-Epoxyeicosatrienoic acid (5,6-EET; (±)5,6-EpETrE) is a fully racemic version of the enantiomeric forms biosynthesized from arachidonic acid by cytochrome P450 enzymes. In solution, 5,6-Epoxyeicosatrienoic acid degrades into 5,6-DiHET and 5,6-δ-lactone, which can be converted to 5,6-DiHET and quantified by GC-MS. In neuroendocrine cells, such as the anterior pituitary and pancreatic islets, 5,6-Epoxyeicosatrienoic acid has been implicated in the mobilization of calcium and hormone secretion. 5,6-Epoxyeicosatrienoic acid is an inhibitor of T-type voltage-gated calcium channels (Cav3) that inhibits isoforms Cav3.1, Cav3.2 (IC50=0.54 μM), and Cav3. and decreases nifedipine-resistant phenylephrine-induced vasoconstriction in isolated mouse mesenteric arteries via Cav3.2 blockade when used at a concentration of 3 μM. In addition, it is a substrate of COX-1 and COX-2, as measured by oxygen consumption and product formation assays when used at a concentration of 50 μM. (±)5,6-Epoxyeicosatrienoic acid is provided as a mixture of the free acid and lactone.
    5,6-Epoxyeicosatrienoic acid

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