Page last updated: 2024-10-24
antimicrobial humoral immune response mediated by antimicrobial peptide
Definition
Target type: biologicalprocess
An immune response against microbes mediated by anti-microbial peptides in body fluid. [PMID:15761415, PMID:24287494]
Antimicrobial humoral immune response mediated by antimicrobial peptides is a critical defense mechanism against invading pathogens. This intricate process involves the coordinated action of various components, including:
1. **Antimicrobial peptides (AMPs):** These are small, cationic peptides produced by various cells of the immune system, including neutrophils, macrophages, and epithelial cells. AMPs possess broad-spectrum antimicrobial activity against bacteria, fungi, viruses, and parasites. Their mechanism of action involves targeting and disrupting microbial membranes, leading to cell death.
2. **Humoral immune response:** This branch of the immune system relies on antibodies, which are protein molecules produced by B lymphocytes. Antibodies specifically bind to antigens, which are molecules on the surface of pathogens. This binding initiates a cascade of events, including:
a. **Neutralization:** Antibodies can directly neutralize pathogens by binding to their surface, preventing them from attaching to and entering host cells.
b. **Opsonization:** Antibodies can coat pathogens, making them more susceptible to phagocytosis by immune cells such as macrophages and neutrophils.
c. **Complement activation:** Antibodies can trigger the complement system, a cascade of proteins that leads to the lysis of pathogens, inflammation, and recruitment of immune cells.
3. **AMP-mediated humoral immune response:** AMPs can directly activate the humoral immune response by:
a. **Stimulating antibody production:** AMPs can act as adjuvants, enhancing the production of antibodies against specific pathogens.
b. **Promoting B cell activation:** AMPs can directly interact with B cells, promoting their activation and differentiation into antibody-producing plasma cells.
c. **Inducing cytokine production:** AMPs can trigger the release of cytokines, signaling molecules that regulate immune responses, including antibody production.
4. **The role of innate and adaptive immunity:** The antimicrobial humoral immune response mediated by AMPs involves both innate and adaptive immune components. Innate immunity, the body's first line of defense, relies on pre-existing mechanisms like AMPs. Adaptive immunity, characterized by specificity and memory, involves the development of antigen-specific antibodies.
5. **Importance of AMPs in host defense:** AMPs play a crucial role in host defense by:
a. **Providing immediate protection:** AMPs are rapidly produced and act as a first line of defense against invading pathogens.
b. **Broad-spectrum activity:** AMPs can target a wide range of pathogens, including antibiotic-resistant bacteria.
c. **Immune modulation:** AMPs can modulate the immune response, influencing the activity of other immune cells.
6. **Potential therapeutic applications:** The broad-spectrum activity and immune-modulating properties of AMPs make them attractive targets for the development of novel antimicrobial therapies.
In summary, antimicrobial humoral immune response mediated by AMPs is a complex and dynamic process that involves the interplay of innate and adaptive immune mechanisms. AMPs contribute to the rapid and efficient clearance of pathogens by directly targeting microbial membranes, activating the humoral immune response, and modulating immune cell activity. The understanding of this intricate process is essential for developing effective strategies to combat infectious diseases.'
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Proteins (9)
| Protein | Definition | Taxonomy |
|---|---|---|
| C-C motif chemokine 2 | A C-C motif chemokine 2 that is encoded in the genome of human. [PRO:WCB, UniProtKB:P13500] | Homo sapiens (human) |
| Interleukin-8 | An interleukin-8 that is encoded in the genome of human. [PMID:15623624, SALO:AJ] | Homo sapiens (human) |
| 60S ribosomal protein L39 | A large ribosomal subunit protein eL39 that is encoded in the genome of human. [PRO:DNx, UniProtKB:P62891] | Homo sapiens (human) |
| 60S ribosomal protein L30 | A large ribosomal subunit protein eL30 that is encoded in the genome of human. [PRO:DNx, UniProtKB:P62888] | Homo sapiens (human) |
| 40S ribosomal protein S30 | A ubiquitin-like FUBI-ribosomal protein eS30 fusion protein that is encoded in the genome of human. [PRO:DAN, UniProtKB:P62861] | Homo sapiens (human) |
| 40S ribosomal protein S19 | A small ribosomal subunit protein eS19 that is encoded in the genome of human. [PRO:DNx, UniProtKB:P39019] | Homo sapiens (human) |
| Glyceraldehyde-3-phosphate dehydrogenase | A glyceraldehyde-3-phosphate dehydrogenase that is encoded in the genome of human. [PRO:DNx, UniProtKB:P04406] | Homo sapiens (human) |
| Phospholipase A2 | A phospholipase A2 that is encoded in the genome of human. [PRO:DNx, UniProtKB:P04054] | Homo sapiens (human) |
| Prothrombin | A prothrombin that is encoded in the genome of human. [PRO:DNx, UniProtKB:P00734] | Homo sapiens (human) |
Compounds (118)
| Compound | Definition | Classes | Roles |
|---|---|---|---|
| coumarin | 2H-chromen-2-one: coumarin derivative | coumarins | fluorescent dye; human metabolite; plant metabolite |
| 5-(n,n-hexamethylene)amiloride | 5-(N,N-hexamethylene)amiloride : A member of the class of pyrazines that is amiloride in which the two amino hydrogens at position N-5 are replaced by a hexamethylene moiety, resulting in the formation of an azepane ring. 5-(N,N-hexamethylene)amiloride: inhibitor of Na+-H+ exchange; has anti-HIV-1 activity | aromatic amine; azepanes; guanidines; monocarboxylic acid amide; organochlorine compound; pyrazines | antineoplastic agent; apoptosis inducer; odorant receptor antagonist; sodium channel blocker |
| benzamidine | benzamidine : A carboxamidine that is benzene carrying an amidino group. benzamidine: RN given refers to parent cpd | benzenes; carboxamidine | serine protease inhibitor |
| bis(5-amidino-2-benzimidazolyl)methane | bis(5-amidino-2-benzimidazolyl)methane: aromatic diamidine which has a significant suppressive effect on the cytopathology & yield of respiratory synctial (RS) virus; RN given refers to parent cpd | ||
| camostat | camostat : A benzoate ester resulting from the formal condensation of the carboxy group of 4-guanidinobenzoic acid with the hydroxy group of 2-(dimethylamino)-2-oxoethyl (4-hydroxyphenyl)acetate. It is a potent inhibitor of the human transmembrane protease serine 2 (TMPRSS2) and its mesylate salt is currently under investigation for its effectiveness in COVID-19 patients. | benzoate ester; carboxylic ester; diester; guanidines; tertiary carboxamide | anti-inflammatory agent; anticoronaviral agent; antifibrinolytic drug; antihypertensive agent; antineoplastic agent; antiviral agent; serine protease inhibitor |
| diclofenac | diclofenac : A monocarboxylic acid consisting of phenylacetic acid having a (2,6-dichlorophenyl)amino group at the 2-position. Diclofenac: A non-steroidal anti-inflammatory agent (NSAID) with antipyretic and analgesic actions. It is primarily available as the sodium salt. | amino acid; aromatic amine; dichlorobenzene; monocarboxylic acid; secondary amino compound | antipyretic; drug allergen; EC 1.14.99.1 (prostaglandin-endoperoxide synthase) inhibitor; environmental contaminant; non-narcotic analgesic; non-steroidal anti-inflammatory drug; xenobiotic |
| fasudil | fasudil : An isoquinoline substituted by a (1,4-diazepan-1-yl)sulfonyl group at position 5. It is a Rho-kinase inhibitor and its hydrochloride hydrate form is approved for the treatment of cerebral vasospasm and cerebral ischemia. fasudil: intracellular calcium antagonist; structure in first source | isoquinolines; N-sulfonyldiazepane | antihypertensive agent; calcium channel blocker; EC 2.7.11.1 (non-specific serine/threonine protein kinase) inhibitor; geroprotector; neuroprotective agent; nootropic agent; vasodilator agent |
| indomethacin | indometacin : A member of the class of indole-3-acetic acids that is indole-3-acetic acid in which the indole ring is substituted at positions 1, 2 and 5 by p-chlorobenzoyl, methyl, and methoxy groups, respectively. A non-steroidal anti-inflammatory drug, it is used in the treatment of musculoskeletal and joint disorders including osteoarthritis, rheumatoid arthritis, gout, bursitis and tendinitis. Indomethacin: A non-steroidal anti-inflammatory agent (NSAID) that inhibits CYCLOOXYGENASE, which is necessary for the formation of PROSTAGLANDINS and other AUTACOIDS. It also inhibits the motility of POLYMORPHONUCLEAR LEUKOCYTES. | aromatic ether; indole-3-acetic acids; monochlorobenzenes; N-acylindole | analgesic; drug metabolite; EC 1.14.99.1 (prostaglandin-endoperoxide synthase) inhibitor; environmental contaminant; gout suppressant; non-steroidal anti-inflammatory drug; xenobiotic; xenobiotic metabolite |
| fidexaban | Fidexaban: structure in first source | ||
| n(alpha)-(2-naphthylsulfonylglycyl)-4-amidinophenylalanine piperidide | N(alpha)-(2-naphthylsulfonylglycyl)-4-amidinophenylalanine piperidide: thrombin inhibitor; RN given refers to parent cpd without isomeric designation | ||
| nafamostat | nafamostat: inhibitor of trypsin, plasmin, pancreatic kallikrein, plasma kallikrein & thrombin; strongly inhibits esterolytic activities of C1r & C1 esterase complement-mediated hemolysis; antineoplastic | benzoic acids; guanidines | |
| oxidopamine | oxidopamine : A benzenetriol that is phenethylamine in which the hydrogens at positions 2, 4, and 5 on the phenyl ring are replaced by hydroxy groups. It occurs naturally in human urine, but is also produced as a metabolite of the drug DOPA (used for the treatment of Parkinson's disease). Oxidopamine: A neurotransmitter analogue that depletes noradrenergic stores in nerve endings and induces a reduction of dopamine levels in the brain. Its mechanism of action is related to the production of cytolytic free-radicals. | benzenetriol; catecholamine; primary amino compound | drug metabolite; human metabolite; neurotoxin |
| pentamidine | pentamidine : A diether consisting of pentane-1,5-diol in which both hydroxyl hydrogens have been replaced by 4-amidinophenyl groups. A trypanocidal drug that is used for treatment of cutaneous leishmaniasis and Chagas disease. Pentamidine: Antiprotozoal agent effective in trypanosomiasis, leishmaniasis, and some fungal infections; used in treatment of PNEUMOCYSTIS pneumonia in HIV-infected patients. It may cause diabetes mellitus, central nervous system damage, and other toxic effects. | aromatic ether; carboxamidine; diether | anti-inflammatory agent; antifungal agent; calmodulin antagonist; chemokine receptor 5 antagonist; EC 2.3.1.48 (histone acetyltransferase) inhibitor; NMDA receptor antagonist; S100 calcium-binding protein B inhibitor; trypanocidal drug; xenobiotic |
| sulfaguanidine | sulfaguanidine : A sulfonamide incorporating a guanidine moiety used to block the synthesis of folic acid; mostly used in veterinary medicine Sulfaguanidine: A sulfanilamide antimicrobial agent that is used to treat enteric infections. | sulfonamide antibiotic | antiinfective agent |
| tolmetin | tolmetin : A monocarboxylic acid that is (1-methylpyrrol-2-yl)acetic acid substituted at position 5 on the pyrrole ring by a 4-methylbenzoyl group. Used in the form of its sodium salt dihydrate as a nonselective nonsteroidal anti-inflammatory drug. Tolmetin: A non-steroidal anti-inflammatory agent (ANTI-INFLAMMATORY AGENTS, NON-STEROIDAL) similar in mode of action to INDOMETHACIN. | aromatic ketone; monocarboxylic acid; pyrroles | EC 1.14.99.1 (prostaglandin-endoperoxide synthase) inhibitor; non-steroidal anti-inflammatory drug |
| triiodothyronine | 3,3',5-triiodo-L-thyronine : An iodothyronine compound having iodo substituents at the 3-, 3'- and 5-positions. Although some is produced in the thyroid, most of the 3,3',5-triiodo-L-thyronine in the body is generated by mono-deiodination of L-thyroxine in the peripheral tissues. Its metabolic activity is about 3 to 5 times that of L-thyroxine. The sodium salt is used in the treatment of hypothyroidism. Triiodothyronine: A T3 thyroid hormone normally synthesized and secreted by the thyroid gland in much smaller quantities than thyroxine (T4). Most T3 is derived from peripheral monodeiodination of T4 at the 5' position of the outer ring of the iodothyronine nucleus. The hormone finally delivered and used by the tissues is mainly T3. | 2-halophenol; amino acid zwitterion; iodophenol; iodothyronine | human metabolite; mouse metabolite; thyroid hormone |
| proflavine | 3,6-diaminoacridine : An aminoacridine that is acridine that is substituted by amino groups at positions 3 and 6. A slow-acting bacteriostat that is effective against many Gram-positive bacteria (but ineffective against spores), its salts were formerly used for treatment of burns and infected wounds. Proflavine: Topical antiseptic used mainly in wound dressings. | aminoacridines | antibacterial agent; antiseptic drug; carcinogenic agent; chromophore; intercalator |
| 4-bromophenacyl bromide | 4-bromophenacyl bromide: phospholipidase A(2) inhibitor; structure | ||
| catechin | (+)-catechin : The (+)-enantiomer of catechin and a polyphenolic antioxidant plant metabolite. catechin : Members of the class of hydroxyflavan that have a flavan-3-ol skeleton and its substituted derivatives. Catechin: An antioxidant flavonoid, occurring especially in woody plants as both (+)-catechin and (-)-epicatechin (cis) forms. rac-catechin : A racemate comprising equimolar amounts of (+)- and (-)-catechin | catechin | antioxidant; plant metabolite |
| osthol | osthol: from Cnidium monnieri and Angelica pubescens (both Apiaceae); structure given in first source | botanical anti-fungal agent; coumarins | metabolite |
| oleanolic acid | hydroxy monocarboxylic acid; pentacyclic triterpenoid | plant metabolite | |
| isoquinoline-1,3,4-trione | isoquinoline-1,3,4-trione: structure in first source | ||
| diphenylcarbazone | diphenylcarbazone: sensitive reagent for Hg, for which it gives blue color; structure | ||
| dibrompropamidine | aromatic ether | ||
| nicotinamide mononucleotide | Nicotinamide Mononucleotide: 3-Carbamoyl-1-beta-D-ribofuranosyl pyridinium hydroxide-5'phosphate, inner salt. A nucleotide in which the nitrogenous base, nicotinamide, is in beta-N-glycosidic linkage with the C-1 position of D-ribose. Synonyms: Nicotinamide Ribonucleotide; NMN. | nicotinamide mononucleotide | Escherichia coli metabolite; mouse metabolite |
| 2-methyladenine | methyladenine : Any member of the class of 6-aminopurines that is adenine bearing a single methyl substituent. | ||
| ibufenac | ibufenac : A monocarboxylic acid that is acetic acid in which one of the methyl hydrogens is replaced by a 4-isobutylphenyl group. Although it was shown to be effective in treatment of rheumatoid arthritis, the clinical use of ibufenac was discontinued due to hepatotoxic side-effects. ibufenac: used in the treatment of rheumatism; also possesses antipyretic properties; minor descriptor (75-84); on-line & Index Medicus search PHENYLACETATES (75-84); RN given refers to parent cpd | monocarboxylic acid | EC 1.14.99.1 (prostaglandin-endoperoxide synthase) inhibitor; hepatotoxic agent; non-narcotic analgesic; non-steroidal anti-inflammatory drug |
| amiloride | amiloride : A member of the class of pyrazines resulting from the formal monoacylation of guanidine with the carboxy group of 3,5-diamino-6-chloropyrazine-2-carboxylic acid. Amiloride: A pyrazine compound inhibiting SODIUM reabsorption through SODIUM CHANNELS in renal EPITHELIAL CELLS. This inhibition creates a negative potential in the luminal membranes of principal cells, located in the distal convoluted tubule and collecting duct. Negative potential reduces secretion of potassium and hydrogen ions. Amiloride is used in conjunction with DIURETICS to spare POTASSIUM loss. (From Gilman et al., Goodman and Gilman's The Pharmacological Basis of Therapeutics, 9th ed, p705) | aromatic amine; guanidines; organochlorine compound; pyrazines | diuretic; sodium channel blocker |
| camptothecin | NSC 100880: carboxylate (opened lactone) form of camptothecin; RN refers to (S)-isomer; structure given in first source | delta-lactone; pyranoindolizinoquinoline; quinoline alkaloid; tertiary alcohol | antineoplastic agent; EC 5.99.1.2 (DNA topoisomerase) inhibitor; genotoxin; plant metabolite |
| isopentenyladenosine | Isopentenyladenosine: N(6)-[delta(3)-isopentenyl]adenosine. Isopentenyl derivative of adenosine which is a member of the cytokinin family of plant growth regulators. N(6)-(Delta(2)-isopentenyl)adenosine : A nucleoside analogue in which adenosine has been modified by substitution at the 6-amino nitrogen by a Delta(2)-isopentenyl group. | N-ribosyl-N(6)-isopentenyladenine; nucleoside analogue | antineoplastic agent; plant growth regulator; plant metabolite |
| benzonidazole | benznidazole : A monocarboxylic acid amide obtained by formal condensation of the carboxy group of (2-nitroimidazol-1-yl)acetic acid with the aromatic amino group of benzylamine. Used for treatment of Chagas disease. benzonidazole: used in treatment of Chagas' disease | C-nitro compound; imidazoles; monocarboxylic acid amide | antiprotozoal drug |
| glutamic acid | glutamic acid : An alpha-amino acid that is glutaric acid bearing a single amino substituent at position 2. Glutamic Acid: A non-essential amino acid naturally occurring in the L-form. Glutamic acid is the most common excitatory neurotransmitter in the CENTRAL NERVOUS SYSTEM. | glutamic acid; glutamine family amino acid; L-alpha-amino acid; proteinogenic amino acid | Escherichia coli metabolite; ferroptosis inducer; micronutrient; mouse metabolite; neurotransmitter; nutraceutical |
| etoposide | beta-D-glucoside; furonaphthodioxole; organic heterotetracyclic compound | antineoplastic agent; DNA synthesis inhibitor | |
| captopril | captopril : A L-proline derivative in which L-proline is substituted on nitrogen with a (2S)-2-methyl-3-sulfanylpropanoyl group. It is used as an anti-hypertensive ACE inhibitor drug. Captopril: A potent and specific inhibitor of PEPTIDYL-DIPEPTIDASE A. It blocks the conversion of ANGIOTENSIN I to ANGIOTENSIN II, a vasoconstrictor and important regulator of arterial blood pressure. Captopril acts to suppress the RENIN-ANGIOTENSIN SYSTEM and inhibits pressure responses to exogenous angiotensin. | alkanethiol; L-proline derivative; N-acylpyrrolidine; pyrrolidinemonocarboxylic acid | antihypertensive agent; EC 3.4.15.1 (peptidyl-dipeptidase A) inhibitor |
| 1,2-di(5-amidino-2-benzofuranyl)ethane | 1,2-di(5-amidino-2-benzofuranyl)ethane: preferential inhibitor of bovine factor Xa; structure given in first source | ||
| adenosine | quinquefolan B: isolated from roots of Panax quinquefolium L.; RN not in Chemline 10/87; RN from Toxlit | adenosines; purines D-ribonucleoside | analgesic; anti-arrhythmia drug; fundamental metabolite; human metabolite; vasodilator agent |
| hexamidine | hexamidine : A polyether that is the bis(4-guanidinophenyl) ether of hexane-1,6-diol. | aromatic ether; guanidines; polyether | antimicrobial agent; antiseptic drug |
| xanthyletine | xanthyletine: structure | coumarins | |
| metrifudil | |||
| inogatran | inogatran: a direct low molecular weight thrombin inhibitor | ||
| seselin | seselin: structure in first source | coumarins | metabolite |
| epicatechin | (-)-epicatechin : A catechin with (2R,3R)-configuration. | catechin; polyphenol | antioxidant |
| p-Aminobenzamidine dihydrochloride | organic molecular entity | ||
| n(6)-benzyladenosine | N(6)-benzyladenosine: RN given refers to parent cpd | ||
| mci 9038 | peptide | ||
| sivelestat | sivelestat: inhibitor of neutrophil elastase; structure given in first source | N-acylglycine; pivalate ester | |
| ibuprofen, (r)-isomer | ibuprofen | ||
| dx 9065 | |||
| efegatran | efegatran: RN & structure given in first source; RN given refers to parent cpd (D)-isomer | ||
| acetylphenylalanyl-prolyl-boroarginine | Ac-(D)Phe-Pro-boroArg-OH : A C-terminal boronic acid petide that is N-acetyl-D-phenylalanyl-L-prolyl-L-arginine in which the C-termnal carboxy group has been replaced by a borono (-B(OH)2) group. A thrombin (Factor IIa) inhibitor, thereby acting as an anticoagulant. DuP-714 : A hydrochloride resulting from the formal reaction of equimolar amounts of Ac-(D)Phe-Pro-boroArg-OH and hydrogen chloride. A thrombin (Factor IIa) inhibitor, thereby acting as an anticoagulant. | acetamides; C-terminal boronic acid peptide; guanidines | anticoagulant; EC 3.4.21.5 (thrombin) inhibitor |
| cyanidin | cyanidin cation : An anthocyanidin cation that is flavylium substituted at positions 3, 3', 4', 5 and 7 by hydroxy groups. cyanidin: RN given refers to parent cpd; structure | 5-hydroxyanthocyanidin | antioxidant; metabolite; neuroprotective agent |
| foy 251 | 4-(4-guanidinobenzoyloxy)phenylacetic acid: RN given refers to monomethanesulfonate | ||
| 3-octylthio-1,1,1-trifluoro-2-propanone | 3-octylthio-1,1,1-trifluoro-2-propanone: a pesticide synergist; inhibits juvenile hormone esterase | ||
| varespladib | aromatic ether; benzenes; dicarboxylic acid monoamide; indoles; monocarboxylic acid; primary carboxamide | anti-inflammatory drug; antidote; EC 3.1.1.4 (phospholipase A2) inhibitor | |
| homonojirimycin | homonojirimycin: inhibits alpha-glucosidase; RN given for (2R-(2alpha,3alpha,4beta,5alpha,6beta))-isomer; structure in first source | ||
| l 694,458 | DMP 777: structure given in first source | ||
| ketoprofen | |||
| melagatran | azetidines; carboxamidine; dicarboxylic acid monoamide; non-proteinogenic alpha-amino acid; secondary amino compound | anticoagulant; EC 3.4.21.5 (thrombin) inhibitor; serine protease inhibitor | |
| pefabloc | |||
| razaxaban | razaxaban: structure in first source | ||
| dabigatran | dabigatran : An aromatic amide obtained by formal condensation of the carboxy group of 2-{[(4-carbamimidoylphenyl)amino]methyl}-1-methyl-1H-benzimidazole-5-carboxylic acid with the secondary amoino group of N-pyridin-2-yl-beta-alanine. The active metabolite of the prodrug dabigatran etexilate, it acts as an anticoagulant which is used for the prevention of stroke and systemic embolism. Dabigatran: A THROMBIN inhibitor which acts by binding and blocking thrombogenic activity and the prevention of thrombus formation. It is used to reduce the risk of stroke and systemic EMBOLISM in patients with nonvalvular atrial fibrillation. | aromatic amide; benzimidazoles; beta-alanine derivative; carboxamidine; pyridines | anticoagulant; EC 1.10.99.2 [ribosyldihydronicotinamide dehydrogenase (quinone)] inhibitor; EC 3.4.21.5 (thrombin) inhibitor |
| cholic acid | cholic acid : A bile acid that is 5beta-cholan-24-oic acid bearing three alpha-hydroxy substituents at position 3, 7 and 12. Cholic Acid: A major primary bile acid produced in the liver and usually conjugated with glycine or taurine. It facilitates fat absorption and cholesterol excretion. | 12alpha-hydroxy steroid; 3alpha-hydroxy steroid; 7alpha-hydroxy steroid; bile acid; C24-steroid; trihydroxy-5beta-cholanic acid | human metabolite; mouse metabolite |
| sitosterol, (3beta)-isomer | sitosterol : A member of the class of phytosterols that is stigmast-5-ene substituted by a beta-hydroxy group at position 3. Sobatum: tradename; active fraction of Solanum trilobatum; reduces side-effects of radiation-induced toxicity | 3beta-hydroxy-Delta(5)-steroid; 3beta-sterol; C29-steroid; phytosterols; stigmastane sterol | anticholesteremic drug; antioxidant; mouse metabolite; plant metabolite; sterol methyltransferase inhibitor |
| bortezomib | amino acid amide; L-phenylalanine derivative; pyrazines | antineoplastic agent; antiprotozoal drug; protease inhibitor; proteasome inhibitor | |
| benzamidine | carboxamidinium ion | ||
| phenylalanyl-prolyl-arginine | oligopeptide | ||
| y 27632 | Y 27632: RN given for di-HCl salt; inhibits Rho-associated protein kinase; inhibits calcium sensitization to affect smooth muscle relaxation; structure in first source Y-27632 : A monocarboxylic acid amide that is trans-[(1R)-1-aminoethyl]cyclohexanecarboxamide in which one of the nitrogens of the aminocarbony group is substituted by a pyridine nucleus. It has been shown to exhibit inhibitory activity against Rho-associated protein kinase (ROCK) enzyme. | aromatic amide | |
| 2-methyladenosine | 2-methyladenosine : A methyladenosine in which the methyl group is located at position 2 on the adenine ring. | methyladenosine | |
| n(6)-cyclopentyladenosine | |||
| 2-anilinophenylacetic acid | 2-anilinophenylacetic acid: structure in first source | ||
| curcumin | curcumin : A beta-diketone that is methane in which two of the hydrogens are substituted by feruloyl groups. A natural dyestuff found in the root of Curcuma longa. Curcumin: A yellow-orange dye obtained from tumeric, the powdered root of CURCUMA longa. It is used in the preparation of curcuma paper and the detection of boron. Curcumin appears to possess a spectrum of pharmacological properties, due primarily to its inhibitory effects on metabolic enzymes. | aromatic ether; beta-diketone; diarylheptanoid; enone; polyphenol | anti-inflammatory agent; antifungal agent; antineoplastic agent; biological pigment; contraceptive drug; dye; EC 1.1.1.205 (IMP dehydrogenase) inhibitor; EC 1.1.1.21 (aldehyde reductase) inhibitor; EC 1.1.1.25 (shikimate dehydrogenase) inhibitor; EC 1.6.5.2 [NAD(P)H dehydrogenase (quinone)] inhibitor; EC 1.8.1.9 (thioredoxin reductase) inhibitor; EC 2.7.10.2 (non-specific protein-tyrosine kinase) inhibitor; EC 3.5.1.98 (histone deacetylase) inhibitor; flavouring agent; food colouring; geroprotector; hepatoprotective agent; immunomodulator; iron chelator; ligand; lipoxygenase inhibitor; metabolite; neuroprotective agent; nutraceutical; radical scavenger |
| tosylarginine methyl ester | Tosylarginine Methyl Ester: Arginine derivative which is a substrate for many proteolytic enzymes. As a substrate for the esterase from the first component of complement, it inhibits the action of C(l) on C(4). | guanidines; L-arginine ester; methyl ester; sulfonamide | |
| telaprevir | cyclopentapyrrole; cyclopropanes; oligopeptide; pyrazines | antiviral drug; hepatitis C protease inhibitor; peptidomimetic | |
| l 783281 | L 783281: structure in first source | ||
| ha 1100 | HA 1100: intracellular calcium antagonist | ||
| bradykinin (1-5) | bradykinin (1-5): a stable marker of bradykinin production in vivo; a metabolite of bradykinin degradation in plasma | ||
| silybin | |||
| quercetin | 7-hydroxyflavonol; pentahydroxyflavone | antibacterial agent; antineoplastic agent; antioxidant; Aurora kinase inhibitor; chelator; EC 1.10.99.2 [ribosyldihydronicotinamide dehydrogenase (quinone)] inhibitor; geroprotector; phytoestrogen; plant metabolite; protein kinase inhibitor; radical scavenger | |
| scopoletin | hydroxycoumarin | plant growth regulator; plant metabolite | |
| 7-hydroxycoumarin | 7-oxycoumarin: derivatives have anti-oxidant properties umbelliferone : A hydroxycoumarin that is coumarin substituted by a hydroxy group ay position 7. | hydroxycoumarin | fluorescent probe; food component; plant metabolite |
| camostat mesylate | methanesulfonate salt | anti-inflammatory agent; anticoronaviral agent; antifibrinolytic drug; antihypertensive agent; antineoplastic agent; antiviral agent; serine protease inhibitor | |
| cyclotheonamide a | cyclotheonamide A: a cyclic peptide isolated from the marine sponge Theonella; structure given in first source | ||
| 4-amylcinnamoylanthranilic acid | 4-amylcinnamoylanthranilic acid: phospholipase A2 inhibitor N-(p-amylcinnamoyl)anthranilic acid : An amidobenzoic acid that is anthranilic acid in which one of the anilino hydrogens is replaced by a 4-pentylcinnamoyl group. It is a transient receptor potential (TRP) channel blocker and phospholipase A2 (PLA2) inhibitor. | amidobenzoic acid; cinnamamides; secondary carboxamide | EC 3.1.1.4 (phospholipase A2) inhibitor; TRP channel blocker |
| 3-(4-octadecyl)benzoylacrylic acid | |||
| ximelagatran | ximelagatran : A member of the class of azetidines that is melagatran in which the carboxylic acid group has been converted to the corresponding ethyl ester and in which the amidine group has been converted into the corresponding amidoxime. A prodrug for melagatran, ximelagatran was the first orally available direct thrombin inhibitor to be brought to market as an anticoagulant, but was withdrawn in 2006 following reports of it causing liver damage. ximelagatran: prodrug (via hydroxylation) of melagatran & a direct thrombin inhibitor; liver toxicity concerns so AZD0837 being developed to replace this | amidoxime; azetidines; carboxamide; ethyl ester; hydroxylamines; secondary amino compound; secondary carboxamide; tertiary carboxamide | anticoagulant; EC 3.4.21.5 (thrombin) inhibitor; prodrug; serine protease inhibitor |
| otamixaban | otamixaban: structure in first source | ||
| manoalide | manoalide : A sesterterpenoid isolated from the marine sponge Luffariella variabilis and which has been shown to exhibit inhibitory activity towards phospholipase A2. manoalide: phospholipase A2 inhibitor; sesterterpene from marine sponge L. variabilis; structure given in first source | butenolide; lactol; sesterterpenoid | EC 3.1.1.4 (phospholipase A2) inhibitor; EC 5.99.1.2 (DNA topoisomerase) inhibitor; EC 5.99.1.3 [DNA topoisomerase (ATP-hydrolysing)] inhibitor; metabolite |
| manoalogue | manoalogue: synthetic analog of manoalide; phospholipase A2 antagonist; structure given in first source | ||
| bms 740808 | 1-(3-aminobenzisoxazol-5'-yl)-3-trifluoromethyl-6-(2'-(3-hydroxy-N-pyrrolidinyl)methyl-(1,1')-biphen-4-yl)-1,4,5,6-tetrahydropyrazolo-(3,4-c)-pyridin-7-one: structure in first source | ||
| napsagatran | napsagatran: structure given in first source | ||
| talabostat | talabostat: an antineoplastic agent; structure in first source | ||
| n,n-(4-xylylidene)bisaminoguanidine | N,N-(4-xylylidene)bisaminoguanidine: RN in Chemline for di-HCl: 7044-24-8; RN for unspecified HCl: 62580-72-7 N,N'-(p-xylylidene)bis(aminoguanidine) : A guanidine derivative comprised of two carbamimidamido (guanidino) groups, each linked via one of their amino nitrogens to the imino nitrogens of 1,4-phenylenedimethanimine. | ||
| bms-262084 | BMS-262084: an azetidinone-based tryptase inhibitor; structure in first source | ||
| ym 60828 | YM 60828: YM-466 is the mesylate salt | ||
| ursodoxicoltaurine | tauroursodeoxycholate : An organosulfonate oxoanion that is the conjugate base of tauroursodeoxycholic acid arising from deprotonation of the sulfonate OH group; major species at pH 7.3. tauroursodeoxycholic acid : A bile acid taurine conjugate derived from ursoodeoxycholic acid. | bile acid taurine conjugate | anti-inflammatory agent; apoptosis inhibitor; bone density conservation agent; cardioprotective agent; human metabolite; neuroprotective agent |
| gentamicin sulfate | |||
| rivaroxaban | rivaroxaban : A monocarboxylic acid amide obtained by formal condensation of the carboxy group of 5-chlorothiophene-2-carboxylic acid with the amino group of 4-{4-[(5S)-5-(aminomethyl)-2-oxo-1,3-oxazolidin-3-yl]phenyl}morpholin-3-one. An anticoagulant used for prophylaxis of venous thromboembolism in patients with knee or hip replacement surgery. Rivaroxaban: A morpholine and thiophene derivative that functions as a FACTOR XA INHIBITOR and is used in the treatment and prevention of DEEP-VEIN THROMBOSIS and PULMONARY EMBOLISM. It is also used for the prevention of STROKE and systemic embolization in patients with non-valvular ATRIAL FIBRILLATION, and for the prevention of atherothrombotic events in patients after an ACUTE CORONARY SYNDROME. | aromatic amide; lactam; monocarboxylic acid amide; morpholines; organochlorine compound; oxazolidinone; thiophenes | anticoagulant; EC 3.4.21.6 (coagulation factor Xa) inhibitor |
| n-alpha-(2,4,6-triisopropyl-phenylsulfonyl)-3-amidino-(l)-phenyl-alanine-4-ethoxycarbonyl-piperazide hydrochloride | |||
| dpc 423 | |||
| gw 813893 | |||
| l 374087 | |||
| indoxam | indoxam: structure in first source | ||
| darexaban | |||
| lb 30057 | |||
| incb3344 | INCB3344: potent and selective small molecule CCR2 chemokine receptor antagonist | ||
| darexaban glucuronide | darexaban glucuronide: structure in first source | ||
| apixaban | aromatic ether; lactam; piperidones; pyrazolopyridine | anticoagulant; EC 3.4.21.6 (coagulation factor Xa) inhibitor | |
| betrixaban | betrixaban : A secondary carboxamide obtained by formal condensation of the carboxy group of 4-(N,N-dimethylcarbamimidoyl)benzoic acid with the amino group of 2-amino-N-(5-chloropyridin-2-yl)-5-methoxybenzamide. A synthetic anticoagulant compound that targets activated factor Xa in the coagulation cascade. betrixaban: a highly potent, selective, and orally efficacious factor Xa inhibitor; structure in first source | benzamides; guanidines; monochloropyridine; monomethoxybenzene; secondary carboxamide | anticoagulant; EC 3.4.21.6 (coagulation factor Xa) inhibitor |
| rpr 120844 | |||
| n-(3-amino-1-(cyclobutylmethyl)-2,3-dioxopropyl)-3-(2-((((1,1-dimethylethyl)amino)carbonyl)amino)-3,3-dimethyl-1-oxobutyl)-6,6-dimethyl-3-azabicyclo(3.1.0)hexan-2-carboxamide | boceprevir : A synthetic tripeptide consisting of N-(tert-butylcarbamoyl)-3-methyl-L-valyl, a cyclopropyl-fused prolyl and 3-amino-4-cyclobutyl-2-oxobutanamide residues joined in sequence. Used for treatment of chronic hepatitis C virus genotype 1 infection. | tripeptide; ureas | antiviral drug; hepatitis C protease inhibitor; peptidomimetic |
| (z,z)-babch | |||
| anabaenopeptin b | anabaenopeptin B: from cyanobacteria Planktothrix (Oscillatoria) rubescens | ||
| dysinosin a | dysinosin A: structure in first source | ||
| PF-00835231 | PF-00835231 : A primary alcohol resulting from the cleavage of the phosphate group of the prodrug PF-07304814. It is an inhibitor of SARS-CoV-1 and -2 main protease (3CLpro) and exhibits potent in vitro antiviral activity. | aromatic ether; indolecarboxamide; L-leucine derivative; primary alcohol; pyrrolidin-2-ones; secondary carboxamide | anticoronaviral agent; drug metabolite; EC 3.4.22.69 (SARS coronavirus main proteinase) inhibitor |
| mk-7009 | vaniprevir : An azamacrocyclic compound that is a hepatitis C virus (HCV) NS3/4A protease inhibitor which is approved for the treatment of hepatitis C virus infections in Japan. vaniprevir: inhibits hepatitis C virus NS3/4a protease | azamacrocycle; carbamate ester; cyclopropanes; N-sulfonylcarboxamide; pyrrolidinecarboxamide | antiviral drug; hepatitis C protease inhibitor |
| grassystatin a | grassystatin A: isolated from a cyanobacterium, identified as Lyngbya cf.; structure in first source | ||
| rpx7009 | RPX7009: a beta-lactamase inhibitor; structure in first source | ||
| PF-06446846 | PF-06446846 : A triazolopyridine that is 3H-[1,2,3]triazolo[4,5-b]pyridine substituted by a 4-{(3-chloropyridin-2-yl)[(3R)-piperidin-3-yl]carbamoyl}phenyl group at position 3. It is a potent inhibitor of PCSK9. PF-06446846: inhibits translation of PCSK9 ;structure in first source | benzamides; monochloropyridine; piperidines; tertiary carboxamide; triazolopyridine | antilipemic drug; EC 3.4.21.61 (kexin) inhibitor |