Target type: biologicalprocess
Any process that stops, prevents, or reduces the frequency, rate or extent of fibrinolysis, an ongoing process that solubilizes fibrin, resulting in the removal of small blood clots. [GOC:ai]
Fibrinolysis, the breakdown of fibrin clots, is a tightly regulated process crucial for maintaining blood fluidity and preventing excessive bleeding. Negative regulation of fibrinolysis ensures that clots remain stable until the injury is repaired, preventing premature dissolution and potentially uncontrolled bleeding. This complex process involves a delicate interplay of multiple factors, including:
1. **Inhibition of plasminogen activators:**
- **Tissue Plasminogen Activator (tPA) Inhibition:** tPA is a key enzyme responsible for converting plasminogen to plasmin, the main fibrin-degrading enzyme. Its activity is regulated by specific inhibitors like **plasminogen activator inhibitor-1 (PAI-1)**. PAI-1 binds to tPA and prevents its interaction with plasminogen, effectively blocking the activation of plasmin.
- **Urokinase-type Plasminogen Activator (uPA) Inhibition:** uPA, another activator of plasminogen, is also inhibited by PAI-1, further contributing to the control of fibrinolysis.
2. **Direct Inhibition of Plasmin:**
- **α2-antiplasmin:** This major inhibitor directly binds to and inactivates free plasmin, effectively limiting its ability to degrade fibrin. Its rapid action ensures prompt control of plasmin activity.
- **α2-macroglobulin:** Though less specific, α2-macroglobulin can also bind and inactivate plasmin, contributing to the overall suppression of fibrinolysis.
3. **Regulation of Fibrinolysis by Thrombin:**
- Thrombin, a key enzyme in the coagulation cascade, plays a complex role in regulating fibrinolysis. While it promotes clot formation, it also activates **thrombomodulin**, a cofactor that enhances the activation of **Protein C** by thrombin. Activated Protein C, in turn, inactivates the key coagulation factors Va and VIIIa, thus limiting the production of thrombin and indirectly promoting clot stabilization.
4. **Other Factors:**
- **Transglutaminase:** This enzyme stabilizes fibrin clots by cross-linking fibrin molecules, making them more resistant to plasmin degradation.
- **Platelet-derived factors:** Platelets release factors like **thrombospondin-1** and **platelet factor 4** that can bind to plasminogen and inhibit its activation by plasminogen activators.
5. **Clinical Relevance:**
- Dysregulation of fibrinolysis can lead to various pathologies. Excessive fibrinolysis can cause bleeding disorders, while inadequate fibrinolysis can contribute to thrombosis and embolism.
- Understanding the negative regulation of fibrinolysis is crucial for developing therapeutic strategies for conditions like thrombosis and bleeding disorders.
The intricate network of regulatory mechanisms ensures that fibrinolysis occurs only when necessary, maintaining blood fluidity and preventing uncontrolled bleeding while preserving clot stability until the injury is fully repaired.'
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| Protein | Definition | Taxonomy |
|---|---|---|
| Carboxypeptidase B2 | A carboxypeptidase B2 that is encoded in the genome of human. [PRO:DNx, UniProtKB:Q96IY4] | Homo sapiens (human) |
| Plasminogen activator inhibitor 1 | A plasminogen activator inhibitor 1 that is encoded in the genome of human. [PRO:CNA, UniProtKB:P05121] | Homo sapiens (human) |
| Tissue-type plasminogen activator | A tissue-type plasminogen activator that is encoded in the genome of human. [PRO:DNx, UniProtKB:P00750] | Homo sapiens (human) |
| Urokinase-type plasminogen activator | A urokinase-type plasminogen activator that is encoded in the genome of human. [PRO:DNx, UniProtKB:P00749] | Homo sapiens (human) |
| Plasminogen | A plasminogen that is encoded in the genome of human. [PRO:DNx, UniProtKB:P00747] | Homo sapiens (human) |
| Prothrombin | A prothrombin that is encoded in the genome of human. [PRO:DNx, UniProtKB:P00734] | Homo sapiens (human) |
| Compound | Definition | Classes | Roles |
|---|---|---|---|
| gallic acid | gallate : A trihydroxybenzoate that is the conjugate base of gallic acid. | trihydroxybenzoic acid | antineoplastic agent; antioxidant; apoptosis inducer; astringent; cyclooxygenase 2 inhibitor; EC 1.13.11.33 (arachidonate 15-lipoxygenase) inhibitor; geroprotector; human xenobiotic metabolite; plant metabolite |
| aminocaproic acid | 6-aminohexanoic acid : An epsilon-amino acid comprising hexanoic acid carrying an amino substituent at position C-6. Used to control postoperative bleeding, and to treat overdose effects of the thrombolytic agents streptokinase and tissue plasminogen activator. Aminocaproic Acid: An antifibrinolytic agent that acts by inhibiting plasminogen activators which have fibrinolytic properties. | amino acid zwitterion; epsilon-amino acid; omega-amino fatty acid | antifibrinolytic drug; hematologic agent; metabolite |
| 4-aminobenzamidine | 4-aminobenzamidine: a urokinase inhibitor; inhibits acrosin; structure given in first source | ||
| 4-iodine-benzo(b)thiophene-2-carboxamidine | |||
| 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 |
| gabexate | Gabexate: A serine proteinase inhibitor used therapeutically in the treatment of pancreatitis, disseminated intravascular coagulation (DIC), and as a regional anticoagulant for hemodialysis. The drug inhibits the hydrolytic effects of thrombin, plasmin, and kallikrein, but not of chymotrypsin and aprotinin. | benzoate ester | |
| hexachlorophene | hexachlorophene : An organochlorine compound that is diphenylmethane in which each of the phenyl groups is substituted by chlorines at positions 2, 3, and 5, and by a hydroxy group at position 6. An antiseptic that is effective against Gram-positive organisms, it is used in soaps and creams for the treatment of various skin disorders. It is also used in agriculture as an acaricide and fungicide, but is not approved for such use within the European Union. Hexachlorophene: A chlorinated bisphenol antiseptic with a bacteriostatic action against Gram-positive organisms, but much less effective against Gram-negative organisms. It is mainly used in soaps and creams and is an ingredient of various preparations used for skin disorders. (From Martindale, The Extra Pharmacopoeia, 30th ed, p797) | bridged diphenyl fungicide; polyphenol; trichlorobenzene | acaricide; antibacterial agent; antifungal agrochemical; antiseptic drug |
| benzylsuccinic acid | 2-benzylsuccinic acid : A dicarboxylic acid consisting of succinic acid carrying a 2-benzyl substituent. benzylsuccinic acid: inhibitor of carboxypeptidase A | dicarboxylic acid | bacterial 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 | |
| netropsin | Netropsin: A basic polypeptide isolated from Streptomyces netropsis. It is cytotoxic and its strong, specific binding to A-T areas of DNA is useful to genetics research. | ||
| n-(2-cyclohexyloxy-4-nitrophenyl)methanesulfonamide | N-(2-cyclohexyloxy-4-nitrophenyl)methanesulfonamide: structure given in first source NS-398 : A C-nitro compound that is N-methylsulfonyl-4-nitroaniline bearing an additional cyclohexyloxy substituent at position 2. | aromatic ether; C-nitro compound; sulfonamide | antineoplastic agent; cyclooxygenase 2 inhibitor |
| 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 |
| 1,2,5,8-tetrahydroxy anthraquinone | 1,2,5,8-tetrahydroxy anthraquinone: structure in first source quinalizarin : A tetrahydroxyanthraquinone having the four hydroxy groups at the 1-, 2-, 5- and 8-positions. | tetrahydroxyanthraquinone | EC 2.7.11.1 (non-specific serine/threonine protein kinase) inhibitor |
| vorinostat | vorinostat : A dicarboxylic acid diamide comprising suberic (octanedioic) acid coupled to aniline and hydroxylamine. A histone deacetylase inhibitor, it is marketed under the name Zolinza for the treatment of cutaneous T cell lymphoma (CTCL). Vorinostat: A hydroxamic acid and anilide derivative that acts as a HISTONE DEACETYLASE inhibitor. It is used in the treatment of CUTANEOUS T-CELL LYMPHOMA and SEZARY SYNDROME. | dicarboxylic acid diamide; hydroxamic acid | antineoplastic agent; apoptosis inducer; EC 3.5.1.98 (histone deacetylase) inhibitor |
| 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 |
| tranexamic acid | Tranexamic Acid: Antifibrinolytic hemostatic used in severe hemorrhage. | amino acid | |
| 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 |
| 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 |
| 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 | ||
| 2-aminobenzimidazole | 2-aminobenzimidazole : A member of the class of benzimidazoles that is benzimidazole in which the hydrogen at position 2 is replaced by an amino group. 2-aminobenzimidazole: metabolite of benomyl; RN given refers to parent cpd | benzimidazoles | marine xenobiotic metabolite |
| phenylguanidine | phenylguanidine: RN given refers to parent cpd | ||
| 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 |
| 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 |
| 2-aminotetralin | 2-aminotetralin: RN given refers to parent cpd without isomeric designation; structure | tetralins | |
| 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 | ||
| epigallocatechin gallate | (-)-epigallocatechin 3-gallate : A gallate ester obtained by the formal condensation of gallic acid with the (3R)-hydroxy group of (-)-epigallocatechin. epigallocatechin gallate: a steroid 5alpha-reductase inhibitor and antimutagen in green tea (Camellia sinensis) | flavans; gallate ester; polyphenol | antineoplastic agent; antioxidant; apoptosis inducer; geroprotector; Hsp90 inhibitor; neuroprotective agent; plant metabolite |
| hexamidine | hexamidine : A polyether that is the bis(4-guanidinophenyl) ether of hexane-1,6-diol. | aromatic ether; guanidines; polyether | antimicrobial agent; antiseptic drug |
| inogatran | inogatran: a direct low molecular weight thrombin inhibitor | ||
| amiloride hydrochloride | amiloride hydrochloride dihydrate : A hydrate that is the dihydrate of amiloride hydrochloride. | hydrate | diuretic; sodium channel blocker |
| epicatechin | (-)-epicatechin : A catechin with (2R,3R)-configuration. | catechin; polyphenol | antioxidant |
| leupeptin | aldehyde; tripeptide | bacterial metabolite; calpain inhibitor; cathepsin B inhibitor; EC 3.4.21.4 (trypsin) inhibitor; serine protease inhibitor | |
| sennoside A | sennoside A : A member of the class of sennosides that is rel-(9R,9'R)-9,9',10,10'-tetrahydro-9,9'-bianthracene-2,2'-dicarboxylic acid which is substituted by hydroxy groups at positions 4 and 4', by beta-D-glucopyranosyloxy groups at positions 5 and 5', and by oxo groups at positions 10 and 10'. The exact stereochemisty at positions 9 and 9' is not known - it may be R,R (as shown) or S,S. | oxo dicarboxylic acid; sennosides | |
| 1-aminoisoquinoline | |||
| p-Aminobenzamidine dihydrochloride | organic molecular entity | ||
| mci 9038 | peptide | ||
| sivelestat | sivelestat: inhibitor of neutrophil elastase; structure given in first source | N-acylglycine; pivalate ester | |
| 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 |
| 5-amidinoindole | |||
| 5-(4-piperidyl)isoxazol-3-ol | 5-(4-piperidyl)isoxazol-3-ol: structure given in first source; a partial agonist at the GABA-A receptor on cultured hippocampal neurones; antagonizes muscimol-stimulated benzodiazepine binding to rat cortical membranes | piperidines | |
| ono 3307 | ONO 3307: RN given refers to parent cpd; structure given in first source | ||
| 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 | ||
| homonojirimycin | homonojirimycin: inhibits alpha-glucosidase; RN given for (2R-(2alpha,3alpha,4beta,5alpha,6beta))-isomer; structure in first source | ||
| 4-guanidinobenzoate | 4-guanidinobenzoate: RN given refers to parent cpd 4-guanidinobenzoic acid : Benzoic acid substituted at the para position by a guanidino group. | benzoic acids; guanidines | |
| l 694,458 | DMP 777: structure given in first source | ||
| 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 | |||
| beta-naphthamidine | beta-naphthamidine: RN given refers to parent cpd | ||
| sq 24798 | 2-mercaptomethyl-5-guanidinopentanoic acid: structure | ||
| 3-(3-amino-1,2,4-oxadiazol-5-yl)-5-chloro-2,6-pyrazinediamine | 3-(3-amino-1,2,4-oxadiazol-5-yl)-5-chloro-2,6-pyrazinediamine: amiloride prodrug; structure given in first source | ||
| 7-amino-3-(2-bromoethoxy)-4-chloroisocoumarin | 7-amino-3-(2-bromoethoxy)-4-chloroisocoumarin: RN & structure given in first source | ||
| 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 |
| 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 | |
| actinonin | actinonin: natural hydroxamic acid, pseudopeptide antibiotic isolated from Streptomyces species; structure | ||
| benzamidine | carboxamidinium ion | ||
| phenylalanyl-prolyl-arginine | oligopeptide | ||
| Epigallocatechin 3,5-Digallate | catechin | ||
| 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 | |
| 2-(4-chlorophenyl)guanidine | organochlorine compound | ||
| telaprevir | cyclopentapyrrole; cyclopropanes; oligopeptide; pyrazines | antiviral drug; hepatitis C protease inhibitor; peptidomimetic | |
| 7-amino-4-chloro-3-(3-isothiureidopropoxy)isocoumarin | 7-amino-4-chloro-3-(3-isothiureidopropoxy)isocoumarin: structure given in first source | ||
| 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 | |
| 3,7-dimethoxy-5,3',4'-trihydroxyflavone | 3,7-dimethoxy-5,3',4'-trihydroxyflavone: isolated from Veronia eremophila; structure given in first source 3',4',5-trihydroxy-3,7-dimethoxyflavone : A dimethoxyflavone that the 3,7-di-O-methyl derivative of quercetin. | dimethoxyflavone; trihydroxyflavone | EC 1.3.1.22 [3-oxo-5alpha-steroid 4-dehydrogenase (NADP(+))] inhibitor; 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 | ||
| rutin | quercetin-3-O-rutinoside: structure in first source | flavonoids; glycoside | |
| hydroxygenkwanin | hydroxygenkwanin: isolated from leaves of Daphne genkwa | ether; flavonoids | |
| 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 | ||
| pai 039 | tiplaxtinin: inhibitor of plasminogen activator inhibitor-1 | indole-3-acetic acids | |
| 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. | ||
| xr 334 | XR 334: a low molecular weight modulator of human plasminogen activator inhibitor-1 activity; structure given in first source; RN given refers to (Z,Z)-isomer | ||
| b 428 | 4-iodine-benzo(b)thiophene-2-carboxamidine: structure in first source | ||
| bms-262084 | BMS-262084: an azetidinone-based tryptase inhibitor; structure in first source | ||
| ym 60828 | YM 60828: YM-466 is the mesylate salt | ||
| upamostat | |||
| 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 |
| uk-356,202 | UK-356,202: structure in first source | ||
| n-alpha-(2,4,6-triisopropyl-phenylsulfonyl)-3-amidino-(l)-phenyl-alanine-4-ethoxycarbonyl-piperazide hydrochloride | |||
| dpc 423 | |||
| gw 813893 | |||
| l 374087 | |||
| darexaban | |||
| lb 30057 | |||
| darexaban glucuronide | darexaban glucuronide: structure in first source | ||
| apixaban | aromatic ether; lactam; piperidones; pyrazolopyridine | anticoagulant; EC 3.4.21.6 (coagulation factor Xa) inhibitor | |
| a-317567 | A-317567: acid sensing ion channel blocker; structure in first source | ||
| 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 |
| ko 143 | beta-carbolines; tert-butyl ester | ||
| 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 | |||
| m-chlorophenylguanidine | |||
| sideroxylonal c | sideroxylonal C: formylated phloroglucinol from flowers of Eucalyptus albens; structure in first source | ||
| 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 |
| pf-429242 | PF-429242: a subtilisin kexin isozyme-1/site-1 protease 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 |