Target type: molecularfunction
Binding to an hormone, a naturally occurring substance secreted by specialized cells that affect the metabolism or behavior of cells possessing functional receptors for the hormone. Hormones may be produced by the same, or different, cell as express the receptor. [GOC:jl]
Hormone binding is a critical molecular process in which a hormone molecule specifically interacts with a receptor protein, triggering a cascade of cellular events. This interaction initiates signal transduction pathways that alter cell function and ultimately regulate physiological processes within the body.
The process involves a series of steps:
1. **Hormone Recognition:** The hormone, acting as a ligand, binds to its specific receptor protein, which is typically located on the cell surface or within the cytoplasm. The binding event is highly selective, based on the precise molecular shapes and chemical properties of both the hormone and the receptor.
2. **Conformational Change:** The hormone-receptor interaction induces a conformational change in the receptor protein. This change alters the receptor's shape and activates its signaling capabilities.
3. **Signal Transduction:** The activated receptor triggers a cascade of intracellular events, known as signal transduction. This cascade involves a series of molecular interactions and modifications, ultimately leading to a specific cellular response.
4. **Cellular Response:** The signal transduction pathway culminates in a cellular response, which can range from changes in gene expression to altered enzyme activity or cell growth and differentiation.
The molecular function of hormone binding is essential for maintaining homeostasis and regulating a wide array of physiological processes, including:
- **Growth and development:** Hormones influence cell growth, differentiation, and development throughout the lifespan.
- **Metabolism:** Hormones regulate metabolic processes, such as glucose uptake, energy production, and nutrient storage.
- **Reproduction:** Hormones control reproductive functions, including sexual development, ovulation, and pregnancy.
- **Stress response:** Hormones regulate the body's response to stress, including the release of adrenaline and cortisol.
- **Mood and behavior:** Hormones influence mood, sleep, and behavior, contributing to emotional regulation.
Disruptions in hormone binding can lead to various health conditions, highlighting the critical role of this molecular process in maintaining overall well-being.'
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| Protein | Definition | Taxonomy |
|---|---|---|
| Melatonin receptor type 1A | A melatonin receptor type 1A that is encoded in the genome of chicken. [OMA:P49285, PRO:DNx] | Gallus gallus (chicken) |
| Relaxin receptor 1 | A relaxin receptor 1 that is encoded in the genome of human. [PRO:WCB, UniProtKB:Q9HBX9] | Homo sapiens (human) |
| Melanin-concentrating hormone receptor 1 | A melanin-concentrating hormone receptor 1 that is encoded in the genome of human. [PRO:WCB, UniProtKB:Q99705] | Homo sapiens (human) |
| Melanocyte-stimulating hormone receptor | A melanocyte-stimulating hormone receptor that is encoded in the genome of human. [PRO:WCB, UniProtKB:Q01726] | Homo sapiens (human) |
| Melatonin receptor type 1A | A melatonin receptor type 1A that is encoded in the genome of human. [PRO:WCB, UniProtKB:P48039] | Homo sapiens (human) |
| Melanocortin receptor 5 | A melanocortin receptor 5 that is encoded in the genome of human. [PRO:WCB, UniProtKB:P33032] | Homo sapiens (human) |
| Atrial natriuretic peptide receptor 3 | An atrial natriuretic peptide receptor 3 that is encoded in the genome of human. [PRO:DNx, UniProtKB:P17342] | Homo sapiens (human) |
| Atrial natriuretic peptide receptor 1 | An atrial natriuretic peptide receptor 1 that is encoded in the genome of human. [PRO:DNx, UniProtKB:P16066] | Homo sapiens (human) |
| Motilin receptor | A motilin receptor that is encoded in the genome of human. [PRO:DNx, UniProtKB:O43193] | Homo sapiens (human) |
| Compound | Definition | Classes | Roles |
|---|---|---|---|
| melatonin | acetamides; tryptamines | anticonvulsant; central nervous system depressant; geroprotector; hormone; human metabolite; immunological adjuvant; mouse metabolite; radical scavenger | |
| methylbufotenin | 5-methoxy-N,N-dimethyltryptamine : A tryptamine alkaloid that is N,N-dimethyltryptamine substituted by a methoxy group at position 5. | aromatic ether; tertiary amino compound; tryptamine alkaloid | hallucinogen; plant metabolite |
| 6-chloromelatonin | acetamides | ||
| 6-hydroxymelatonin | 6-hydroxymelatonin : A member of the class of tryptamines that is melatonin with a hydroxy group substituent at position 6. | acetamides; tryptamines | metabolite; mouse metabolite |
| amiodarone | amiodarone : A member of the class of 1-benzofurans that is 1-benzofuran substituted by a butyl group at position 2 and a 4-[2-(diethylamino)ethoxy]-3,5-diiodobenzoyl group at position 3. It is a cardiovascular drug used for the treatment of cardiac dysrhythmias. Amiodarone: An antianginal and class III antiarrhythmic drug. It increases the duration of ventricular and atrial muscle action by inhibiting POTASSIUM CHANNELS and VOLTAGE-GATED SODIUM CHANNELS. There is a resulting decrease in heart rate and in vascular resistance. | 1-benzofurans; aromatic ketone; organoiodine compound; tertiary amino compound | cardiovascular drug |
| astemizole | astemizole : A piperidine compound having a 2-(4-methoxyphenyl)ethyl group at the 1-position and an N-[(4-fluorobenzyl)benzimidazol-2-yl]amino group at the 4-position. Astemizole: Antihistamine drug now withdrawn from the market in many countries because of rare but potentially fatal side effects. | benzimidazoles; piperidines | anti-allergic agent; anticoronaviral agent; H1-receptor antagonist |
| chlorpromazine | chlorpromazine : A substituted phenothiazine in which the ring nitrogen at position 10 is attached to C-3 of an N,N-dimethylpropanamine moiety. Chlorpromazine: The prototypical phenothiazine antipsychotic drug. Like the other drugs in this class chlorpromazine's antipsychotic actions are thought to be due to long-term adaptation by the brain to blocking DOPAMINE RECEPTORS. Chlorpromazine has several other actions and therapeutic uses, including as an antiemetic and in the treatment of intractable hiccup. | organochlorine compound; phenothiazines; tertiary amine | anticoronaviral agent; antiemetic; dopaminergic antagonist; EC 3.4.21.26 (prolyl oligopeptidase) inhibitor; phenothiazine antipsychotic drug |
| ciglitazone | ciglitazone : An aromatic ether that consists of 1,3-thiazolidine-2,4-dione with position 5 substituted by a 4-[(1-methylcyclohexyl)methoxy]benzyl group. A selective PPARgamma agonist. ciglitazone: structure given in second source; PPAR agonist used for type II diabetes | aromatic ether; thiazolidinone | antineoplastic agent; insulin-sensitizing drug |
| econazole | 1-{2-(4-chlorobenzyloxy)-2-(2,4-dichlorophenyl)ethyl}imidazole : A member of the class of imidazoles that is 1-(2,4-dichlorophenyl)-2-(imidazol-1-yl)ethanol in which the hydroxyl hydrogen is replaced by a 4-chlorobenzyl group. econazole : A racemate composed of equimolar amounts of (R)- and (S)-econazole. Used (as its nitrate salt) to treat skin infections such as athlete's foot, jock itch, ringworm and other fungal skin infections. Econazole: An imidazole derivative that is commonly used as a topical antifungal agent. | dichlorobenzene; ether; imidazoles; monochlorobenzenes | |
| fluphenazine | N-alkylpiperazine; organofluorine compound; phenothiazines | anticoronaviral agent; dopaminergic antagonist; phenothiazine antipsychotic drug | |
| losartan | losartan : A biphenylyltetrazole where a 1,1'-biphenyl group is attached at the 5-position and has an additional trisubstituted imidazol-1-ylmethyl group at the 4'-position Losartan: An antagonist of ANGIOTENSIN TYPE 1 RECEPTOR with antihypertensive activity due to the reduced pressor effect of ANGIOTENSIN II. | biphenylyltetrazole; imidazoles | angiotensin receptor antagonist; anti-arrhythmia drug; antihypertensive agent; endothelin receptor antagonist |
| miconazole | 1-[2-(2,4-dichlorobenzyloxy)-2-(2,4-dichlorophenyl)ethyl]imidazole : A member of the class of imidazoles that is 1-(2,4-dichlorophenyl)-2-(imidazol-1-yl)ethanol in which the hydroxyl hydrogen is replaced by a 2,4-dichlorobenzyl group. miconazole : A racemate composed of equimolar amounts of (R)- and (S)-miconazole. Used (as its nitrate salt) to treat skin infections such as athlete's foot, jock itch, ringworm and other fungal skin infections. It inhibits the synthesis of ergosterol, a critical component of fungal cell membranes. Miconazole: An imidazole antifungal agent that is used topically and by intravenous infusion. | dichlorobenzene; ether; imidazoles | |
| ns 2028 | NS 2028: structure in first source | ||
| dibenzothiazyl disulfide | dibenzothiazol-2-yl disulfide : An organic disulfide resulting from the formal oxidative coupling of the thiol groups of two molecules of 1,3-benzothiazole-2-thiol. It is used as an accelerator in the rubber industry. dibenzothiazyl disulfide: vulcanizing accelerant | benzothiazoles; organic disulfide | allergen |
| sterogenol | cetylpyridinium bromide : A pyridinium salt that has N-hexadecylpyridinium as the cation and bromide as the anion. hexadecylpyridinium bromide: structure in first source | bromide salt; pyridinium salt | antiseptic drug; EC 2.7.11.18 (myosin-light-chain kinase) inhibitor; surfactant |
| 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 |
| 4,4'-bisphenol f | 4,4'-bisphenol F: RN given refers to parent cpd bisphenol F : A bisphenol that is methane in which two of the hydrogens have been replaced by 4-hydroxyphenyl groups. | bisphenol; diarylmethane | environmental food contaminant; xenoestrogen |
| erythromycin | erythromycin : Any of several wide-spectrum macrolide antibiotics obtained from actinomycete Saccharopolyspora erythraea (formerly known as Streptomyces erythraeus). erythromycin A : An erythromycin that consists of erythronolide A having 2,6-dideoxy-3-C-methyl-3-O-methyl-alpha-L-ribo-hexopyranosyl and 3,4,6-trideoxy-3-(dimethylamino)-beta-D-xylo-hexopyranosyl residues attahced at positions 4 and 6 respectively. Erythromycin: A bacteriostatic antibiotic macrolide produced by Streptomyces erythreus. Erythromycin A is considered its major active component. In sensitive organisms, it inhibits protein synthesis by binding to 50S ribosomal subunits. This binding process inhibits peptidyl transferase activity and interferes with translocation of amino acids during translation and assembly of proteins. | cyclic ketone; erythromycin | |
| paclitaxel | Taxus: Genus of coniferous yew trees or shrubs, several species of which have medicinal uses. Notable is the Pacific yew, Taxus brevifolia, which is used to make the anti-neoplastic drug taxol (PACLITAXEL). | taxane diterpenoid; tetracyclic diterpenoid | antineoplastic agent; human metabolite; metabolite; microtubule-stabilising agent |
| colforsin | Colforsin: Potent activator of the adenylate cyclase system and the biosynthesis of cyclic AMP. From the plant COLEUS FORSKOHLII. Has antihypertensive, positive inotropic, platelet aggregation inhibitory, and smooth muscle relaxant activities; also lowers intraocular pressure and promotes release of hormones from the pituitary gland. | acetate ester; cyclic ketone; labdane diterpenoid; organic heterotricyclic compound; tertiary alpha-hydroxy ketone; triol | adenylate cyclase agonist; anti-HIV agent; antihypertensive agent; plant metabolite; platelet aggregation inhibitor; protein kinase A agonist |
| sertraline | sertraline : A member of the class of tetralins that is tetralin which is substituted at positions 1 and 4 by a methylamino and a 3,4-dichlorophenyl group, respectively (the S,S diastereoisomer). A selective serotonin-reuptake inhibitor (SSRI), it is administered orally as the hydrochloride salt as an antidepressant for the treatment of depression, obsessive-compulsive disorder, panic disorder and post-traumatic stress disorder. Sertraline: A selective serotonin uptake inhibitor that is used in the treatment of depression. | dichlorobenzene; secondary amino compound; tetralins | antidepressant; serotonin uptake inhibitor |
| n-acetyltryptamine | N-acetyltryptamine : A tryptamine compound having an acetyl substituent attached to the side-chain amino function. N-acetyltryptamine: antagonizes the melatonin-induced inhibition of dopamine release from retina; RN given refers to parent cpd | acetamides; indoles | |
| N-Acetylhomoveratrylamine | acetamides | ||
| s20098 | acetamides | ||
| 6-methoxy-2,3,4,9-tetrahydropyrido[3,4-b]indol-1-one | beta-carbolines | ||
| melanotan-ii | melanotan-II: synthetic cyclic heptapeptide, an analog of alpha-melanotropin (4,10); capable of stimulating melanin synthesis & promoting rapid tanning of skin; currently in trials for use in the prevention of sunlight-induced skin cancer | organic molecular entity | |
| 2-iodomelatonin | acetamides | ||
| luzindole | luzindole : A member of the class of indoles that is tryptamine in which one of the amino hydrogens is replaced by an acetyl group while the hydrogen at position 2 is replaced by a benzyl group. luzindole: melatonin receptor antagonist; structure given in first source | acetamides; indoles | melatonin receptor antagonist |
| 2-bromomelatonin | 2-bromomelatonin: structure given in first source | ||
| s 20928 | |||
| 5-methoxyluzindole | |||
| n-cyclopropylcarbonyl-2-(7-methoxy-1-naphthyl)ethylamine | N-cyclopropylcarbonyl-2-(7-methoxy-1-naphthyl)ethylamine: a highly potent & selective melatoninergic agonist; structure given in first source | ||
| angiotensin ii | Giapreza: injectable form of angiotensin II used to increase blood pressure in adult patients with septic or other distributive shock Ile(5)-angiotensin II : An angiotensin II that acts on the central nervous system (PDB entry: 1N9V). | amino acid zwitterion; angiotensin II | human metabolite |
| 1-(3-(4-chlorobenzoyl)propyl)-4-hydroxy-4-(4-chlorophenyl)piperidine | 1-(3-(4-chlorobenzoyl)propyl)-4-hydroxy-4-(4-chlorophenyl)piperidine: RN given refers to parent cpd | ||
| ramelteon | ramelteon: melatonin MT1/MT2 receptor agonist | indanes | |
| a-130a | |||
| prinomastat | prinomastat : A hydroxamic acid that is (3S)-N-hydroxy-2,2-dimethylthiomorpholine-3-carboxamide in which the hydrogen attached to the thiomorpholine nitrogen has been replaced by a [4-(pyridin-4-yloxy)phenyl]sulfonyl group. It is a selective inhibitor with of matrix metalloproteinases (MMPs) 2, 3, 9, 13, and 14. prinomastat: a diazepine-based hydroxamic acid inhibitor; matrix metalloproteinase (MMP) inhibitor; angiogenesis inhibitor; | aromatic ether; hydroxamic acid; pyridines; sulfonamide; thiomorpholines | antineoplastic agent; EC 3.4.24.35 (gelatinase B) inhibitor; matrix metalloproteinase inhibitor |
| N-[2-(4-methoxyphenyl)ethyl]acetamide | acetamides | ||
| aurapten | aurapten: RN refers to (E)-isomer; structure given in first source auraptene : A member of the class of coumarins that is umbelliferone in which the phenolic hydrogen has been replaced by a geranyl group. Ii is isolated from several edible fruits and vegetables and exhibits a variety of therapeutic properties. | coumarins; monoterpenoid | antihypertensive agent; antineoplastic agent; antioxidant; apoptosis inducer; dopaminergic agent; EC 2.7.11.24 (mitogen-activated protein kinase) inhibitor; gamma-secretase modulator; gastrointestinal drug; hepatoprotective agent; matrix metalloproteinase inhibitor; neuroprotective agent; plant metabolite; PPARalpha agonist; vulnerary |
| umbelliprenin | umbelliprenin: RN given refers to cpd with unspecified isomeric designation | terpene lactone | |
| tamoxifen | stilbenoid; tertiary amino compound | angiogenesis inhibitor; antineoplastic agent; bone density conservation agent; EC 1.2.3.1 (aldehyde oxidase) inhibitor; EC 2.7.11.13 (protein kinase C) inhibitor; estrogen antagonist; estrogen receptor antagonist; estrogen receptor modulator | |
| ah 001 | AH 001: structure given in first source; a melatonin agonist | ||
| 4-phenyl-2-propionamidotetraline | 4-phenyl-2-propionamidotetraline: melatonin receptor antagonist; structure in first source | tetralins | |
| 2-phenylmelatonin | phenylindole | ||
| iik7 | IIK7: structure in first source | ||
| 5-methoxycarbonylamino-n-acetyltryptamine | 5-methoxycarbonylamino-N-acetyltryptamine: an mt1/MT2 receptor agonist | acetamides | |
| pnu 142372 | |||
| pnu 107859 | |||
| 8-methoxy-2-propionamidotetralin | 8-methoxy-2-propionamidotetralin: enhances sperm hyperactivation via the MT1 receptor | tetralins | |
| n-acetyl-4-aminomethyl-6-methoxy-9-methyl-1,2,3,4-tetrahydrocarbazole | N-acetyl-4-aminomethyl-6-methoxy-9-methyl-1,2,3,4-tetrahydrocarbazole: a melatonin receptor agonist; (-)-isomer is more active than the (+)-isomer; structure in first source | ||
| k 185 | |||
| cgp 71683 a | naphthalenes; sulfonic acid derivative | ||
| gw 803430 | |||
| t-226296 | T-226296: structure in first source | ||
| bms-470539 | BMS-470539: a selective small molecule agonist of the melanocortin-1 receptor inhibits lipopolysaccharide-induced cytokine accumulation and leukocyte infiltration in mice; structure in first source | ||
| n-(4-((4-(dimethylamino)quinazolin-2-yl)amino)cyclohexyl)-3,4-difluorobenzamide hydrochloride | |||
| bremelanotide | bremelanotide: a synthetic peptide analogue of alpha-MSH, is an agonist at melanocortin receptors including the MC3R and MC4R, which are expressed primarily in the central nervous system; | oligopeptide | |
| 4-n-butyl-1-(4-(2-methylphenyl)-4-oxo-1-butyl)-piperidine hydrogen chloride | |||
| ucm 454 | |||
| acetyl-histidyl-phenylalanyl-arginyl-tryptophanamide | |||
| 5-hydroxyethoxy-n-acetyltryptamine | 5-hydroxyethoxy-N-acetyltryptamine: structure in first source | ||
| ac-his-dphe-arg-trp-nh2 | |||
| snap7941 | SNAP7941: structure in first source | ||
| rm-493 | setmelanotide: an anti-obesity agent | ||
| n-(3-fluorophenyl)-1-((4-(((3s)-3-methyl-1-piperazinyl)methyl)phenyl)acetyl)-4-piperidinamine | N-(3-fluorophenyl)-1-((4-(((3S)-3-methyl-1-piperazinyl)methyl)phenyl)acetyl)-4-piperidinamine: a small molecule motilin receptor agonist; structure in first source | acetamides | |
| atrial natriuretic factor | Atrial Natriuretic Factor: A potent natriuretic and vasodilatory peptide or mixture of different-sized low molecular weight PEPTIDES derived from a common precursor and secreted mainly by the HEART ATRIUM. All these peptides share a sequence of about 20 AMINO ACIDS. | polypeptide | |
| alpha-msh | peptide hormone | anti-inflammatory agent | |
| motilin | |||
| msh, 4-nle-7-phe-alpha- | polypeptide | dermatologic drug | |
| yil 781 | YIL 781: an appetite suppressant and weight loss promoter; structure in first source | ||
| 4'-geranyloxyferulic acid | 4'-geranyloxyferulic acid: a colon cancer chemopreventive agent isolated from grapefruit skin; structure in first source | ||
| nitd 609 | NITD 609: an antimalarial and coccidiostat; structure in first source | ||
| AZD1979 | AZD1979 : A carboxamide resulting from the formal condensation of the carboxy group of 5-(p-methoxyphenyl)-1,3,4-oxadiazole-2-carboxylic acid with the amino group of 3-phenoxyazetidine and in which the phenoxy group has been substituted at the para- position by a 2-oxa-6-azaspiro[3.3]heptan-6-ylmethyl group. It is a melanin concentrating hormone receptor 1 (MCHr1) antagonist. AZD1979: an antagonist of melanin concentrating hormone receptor 1; structure in first source | aromatic ether; azaspiro compound; carboxamide; N-acylazetidine; oxadiazole; oxaspiro compound; oxetanes | melanin-concentrating hormone receptor antagonist |
| natriuretic peptide, brain | Natriuretic Peptide, Brain: A PEPTIDE that is secreted by the BRAIN and the HEART ATRIA, stored mainly in cardiac ventricular MYOCARDIUM. It can cause NATRIURESIS; DIURESIS; VASODILATION; and inhibits secretion of RENIN and ALDOSTERONE. It improves heart function. It contains 32 AMINO ACIDS. | polypeptide |