Compound Summary


  Compound Information

药名:

BOX

别名:

FEMA No. 2131; Benzenemethanoic acid; Retardex; Caswell No. 081; LS-280; Benzeneformic acid; benzoic acid; 1863-63-4 (AMMONIUM SALT); E 210; 65-85-0; 109479_SIAL; benzenecarboxylic acid; Benzoic acid (TN); NSC7918 (AMMONIUM SALT); AI3-03710; WLN: QVR; BEZ; 582-25-2 (POTASSIUM SALT); Kyselina benzoova; 33047_RIEDEL; C00180; Flowers of benzoin; HSDB 704; W213128_ALDRICH; ST5213864; nchembio.2007.22-comp2; C03096; D00038; B8027_SIGMA; Kyselina benzoova [Czech]; InChI=1/C7H6O2/c8-7(9)6-4-2-1-3-5-6/h1-5H,(H,8,9; EPA Pesticide Chemical Code 009101; Benzoesaeure [German]; Benzoesaeure; 18102_RIEDEL; Benzoic acid [USAN:JAN]; W213101_ALDRICH; 8013-63-6; Dracylic acid; Unisept BZA; AIDS-018010; phenylformic acid; Benzoic acid (JP15/USP); 47849_SUPELCO; Retarder BA; Aromatic hydroxy acid; B2670_SIGMA; CHEBI:30746; B2920_SIGMA; Mettler Toledo Calibration substance ME 18555, Benzoic acid; CCRIS 1893; Benzoesaeure GV; Acido benzoico [Italian]; Benzoic acid (natural); NSC149; Benzoic acid-ring-UL-14C; Benzoesaeure GK; Acide benzoique; Flowers of benjamin; Benzoic acid, tech.; AI3-0310; HA 1 (acid); Salvo liquid; Acide benzoique [French]; 12353_FLUKA; Tenn-Plas; Carboxybenzene; 242381_SIAL; Salvo, liquid; AIDS018010; Phenylcarboxylic acid; NCGC00091886-01; Solvo powder; 427608_ALDRICH; Benzoic acid (7CI,8CI,9CI); 33045_RIEDEL; HA 1; 73983_FLUKA; Solvo, powder; Benzoate (VAN); NSC 149; EINECS 200-618-2;benzenecarboxylic acid

分子式:

C7H6O2

Smiles:

C1=CC=C(C=C1)C(=O)O

成分:

HBIN018781;HBIN017758

OB_score:

31.546414

CAS_id:

65-85-0

SymMap_id:

SMIT02866

TCMID_id:

32926

TCMSP_id:

MOL000219

PubChem_id:

243

DrugBank_id:

DB03793


   化合物对应的植物
植物ID 拉丁名 药用植物名 药名 来源 功能与主治 使用民族
TCMBANKHE000786 苦楝子
TCMBANKHE000946 Flos Mume 梅花 To ease the mind, the regulate the stomach function, to resolve phlegm, and counteract toxicity./Treament of depression with fidgetness, epigastric pain due to stagnation of qi of the liver and stomach, globus hystericus, scrofula, ulcers.
TCMBANKHE001729 Cacumen Tamaricis 西河柳 To induce diaphoresis and dispel wind and to promote eruption./1. Bacteriostatic.2. Antipyretic.
TCMBANKHE002083 石见穿
TCMBANKHE002732 蚕沙 1. Treatment of damp-heat obstruction syndrome. Silkworm excrement (Cansha) is used with Tetrandra root (Fangji), Coix seed (Yiyiren) and Talc (Huashi) in the formula Xuanbi Tang .2. Eczema. The decoction of the herb is used for external washing. 3. Treat
TCMBANKHE003063 Herba Plantaginis 车前草 To remove heat and to induce diureses, to promote expectoration, to reduce heat in blood and to counteract toxicity./Treatment of edema with oliguria, urinary infection with difficult painful urination, diarrhea caused by summer-damp, cough caused by phlegm-heat, spitting of blood, epistaxis, carbuncles and sores.
TCMBANKHE003672 Succus Bambusae 竹沥 To clear heat and resolve phlegm/Treatment of: 1. Phlegm-heat cough manifested as cough with thick, yellow sputum and chest pain. Bamboo juice (Zhuli) is used with Loquat leaf (Pipaye) and Trichosanthes fruit (Gualou). 2. Windstroke due to heart misted by phlegm, epilepsy or manic psycho
TCMBANKHE003726 Cortex Cinmomi 肉桂 To supplement body fire, reinforce yang, and lead the fire back to the kidney, to dispel cold and relieve pain, and to activate blood circulation and stimulate menstrual discharge./Impotence, uterus cold, cold pain in lumbus and knees, kidney vacuity asthma, yang vacuity dizziness, red eyes and sore pharynx, cold pain in heart and abdomen, vacuity cold vomiting and diarrhea, cold mounting, running piglet, amenorrhea, dysmenorrhea.
TCMBANKHE003746 Radix Scutellariae 黄芩 To remove damp-heat, to quench fire and counteract toxicity, to arrest bleeding, and to prevent abortion./Chest oppression with retching, diarrhea, jaundice, lung heat cough, infection of upper respiratory tract, acute tonsillitis, acute pharyngolaryngitis, ardent fever with vexation and thirst, blood heat, blood ejection, spontaneous external bleeding, swelling toxin of welling abscess and sore, stirring fetus in pregnancy.
TCMBANKHE003784 Radix Cynchi Paniculati 徐长卿 To relieve rheumatic conditions, and to arrest pain and itching./Rheumatic arthritis, toothache, lumbago, pain after operation, dysmenorrhea, mastitis, infection of skin, eczema, neurodermatitis, urticaria, infective dermatitis, zoster, wind-damp impediment pain, knocks and falls.
TCMBANKHE005549 Styrax 苏合香 1. To open the orifices and clear the mind; 2. To stop pain/Wind stroke with phlegm reversal, sudden clouding collapse, cold pain in chest and abdomen, fright epilepsy, warm disease.
TCMBANKHE003929 Radix cynchi atrati;Blackend Swallowwort 白薇 To remove heat from blood, to relieve dysuria, and to counteract toxicity and cure sores./See Tylophora ovata .
TCMBANKHE003993 南蛇藤果 Palpitation and insomnia, amnesia and heavy dreams, toothache, pain in sinews and bones, numbness in lumbus and leg, painful wound from knocks and falls.
TCMBANKHE004121 Radix Stemoe 百部 1. To moisten the lungs and stop cough; 2. To kill lice and parasites/Wind-cold cough, pertussis, tuberculosis, senile cough and asthma, ascariasis, oxyuria disease, scab and lichen, eczema, cootie.
TCMBANKHE004160 Semen Cassiae;Semen Sene 决明子 To remove heat from the liver, to improve eyesight, and to relax bowels./See Cassia obtusifolia.
TCMBANKHE004244 Radix Paeoniae Alba 白芍 1. To nourish blood and consolidate the yin; 2. To pacify the liver and stop pain; 3. To soothe liver yang/Headache and dizziness, pain in rib-side, abdominal pain, spasm in limbs, anemia with yellow complexion, menstrual disorder, profuse menstruation, spontaneous sweating, night sweating.
TCMBANKHE008098 Radix Curcumae 郁金 1. To invigorate blood and stop pain; 2. To promote qi circulation and release stagnation; 3. To cool blood and clear heat in the heart; 4. To relieve jaundice and facilitate gall bladder function/See Curcuma longa.
TCMBANKHE006055 Herba Potentillae Chinensis 委陵菜 To remove toxic heat and reduce heat in blood, and to relieve dysentery./Red dysentery and abdominal pain, enduring dysentery, bleeding hemorrhoids, swelling toxin of sore and welling abscess.
TCMBANKHE004523 Flos Gossampini 木棉花 Diarrhea, dysentery, hemoptysis, blood ejection, flooding, incised wound and bleeding, sore toxin, eczema.
TCMBANKHE004610 Ramulus Uncariae cum Uncis 钩藤 To remove heat, subdue hyperactivity of the liver, and arrest convulsions./Infant fright wind and night crying, exuberant heat stirring wind, epilepsy of pregnancy, liver yang dizziness, liver fire headache.
TCMBANKHE004707 Radix Paeoniae Rubra; Lignum Paeoniae Rubra 赤芍 To remove heat from blood, to eliminate blood stasis, and to relieve pain./1. Paeoniflorin, one of its active components, has a strong antispastic effect and also analgesic, sedative, anticonvulsive, antibacterial and anti-imflammatory effects. 2. Dilating blood vessels, increasing coronary flow and improving myocardial oxygen supply. 3. Inhibiting platelets aggregation.
TCMBANKHE004859 鼠曲草 Cough with profuse phlegm, asthma, wind-cold common cold, pain in sinews and bones, vaginal discharge, welling abscess and open sore.
TCMBANKHE004973 Herba Ephedrae 麻黄 To induce perspiration for dispelling cold, to relieve asthma, and to cause diuresis./Wind-cold exterior repletion syndrome, headache without sweating, headache and generalized pain, cough, fever, fever and aversion to wind, absence of sweating, congesting lung, non-diffusion of lung qi, cough and asthma, bronchial asthma, wind water edema, nasal congestion, allergic rhinitis, inhibited urination, wind-damp impediment pain, muscle numbness, wind papule itching, yin flat abscess and phlegm node.
TCMBANKHE005000 Pericarpium Zanthoxyli 花椒 To warm the spleen and the stomach and relieve pain, to kill worms, and to relieve itching./Spleen-stomach vacuity cold, cold pain in stomach duct and abdomen, vomiting, diarrhea, abdominal pain and vomiting due to roundworm.
TCMBANKHE005027 苦楝皮 Ascariasis, oxyuria disease, abdominal pain due to worm accumulation, scab and lichen with itching.
TCMBANKHE005110 Lasiosphaera seu Calvatia 马勃 To remove heat from the lung and soothe sore throat, and to arrest bleeding./Cough, aphonia, nosebleed(epistaxis), bleeding due to external injury.
TCMBANKHE007734 Fructus Tribuli 蒺藜 To subdue hyperactivity of the liver, to promote blood circulation, to dispel wind, to clear the eye of opacity, and to arrest itching./1. Antitussive, expectorant and antiasthmatic. 2. Its alcoholic infusion exerts hypotensive effect in anesthetized animals.
TCMBANKHE005729 Semen Euphorbiae 千金子 To cause drastic purgation for treating edema, and eliminate blood stasis for treating masses./Edema, phlegm-rheum, accumulation and distention-fullness, urinary and fecal stoppage, amenorrhea due to blood stasis, intractable impediment, wart.
TCMBANKHE007803 Herba Scutellariae barbatae 半枝莲 To remove toxic heat, and to cause diuresis./Heat toxin swollen welling abscess, throat pain, pulmonary welling abscess, intestinal welling abscess, scrofula, poisonous snake bite, knocks and falls, blood ejection, spontaneous external bleeding, blood strangury, edema, ascites, carcinoma.
TCMBANKHE005794 Radix cynchi atrati 白薇 To remove heat from blood, to relieve dysuria, and to counteract toxicity and cure sores./See Tylophora ovata .
TCMBANKHE008359 Semen Oroxyli 木蝴蝶 To remove heat from the lung and relieve sore throat, and to regulate the flow of qi of the liver and the stomach./Lung heat cough, throat impediment, aphonia, liver stomach qi pain.
TCMBANKHE005841 Rhizoma Arisaematis 天南星 To remove damp-phlegm, to dispel wind and arrest convulsions, and to promote the subsidence of induration and swelling./Wind stroke with congesting phlegm, deviated eyes and mouth, hemiplegia, deadlimb, wind-phlegm dizziness, epilepsy, fright wind, tetanus, spasm, neuralgia, cough with profuse phlegm, swollen welling abscess, scrofula, poisonous snake bite, knocks and falls, carcinoma of uterine cervix.
TCMBANKHE005874 玳玳花 Oppression in chest due to glomus, distending pain in stomach duct and abdomen, vomiting, reduced food intake.
TCMBANKHE005882 Fructus Mume 乌梅 To arrest persistent cough, to relieve diarrhea by astringing the intestines, to promote the production of body fluid, and to relieve colic caused by ascaris./Enduring cough, chronic diarrhea and dysentery, hematuria, hematochezia, flooding and spotting, vacuity heat with vexation and thirst, roundworm reversal with abdominal pain, outcrop of sore and welling abscess.
TCMBANKHE006566 Cortex Moutan 牡丹皮 To remove heat from blood, to activate blood circulation and eliminate blood stasis./Appendicitis, dysentery, hypertension, allergic rhinitis, warm heat disease with fever, macular eruption, blood ejection, spontaneous external bleeding, steaming bone tidal fever due to yin vacuity, amenorrhea due to blood stasis, dysmenorrhea, concretion and conglomeration, swelling toxin of welling abscess and sore, painful wound from knocks and falls, wind-damp-heat impediment.
TCMBANKHE005958 Radix Clematidis 威灵仙 To relieve rheumatic conditions, to remove obstruction of collaterals, and to alleviate pain./Common cold, tonsillitis, acute icterohepatitis, laryngitis, rheumatic arthritis, wind-damp impediment pain, numbness in limbs, hypertonicity of sinews and vessels, bone stuck in throat.
TCMBANKHE006944 Caulis Erycibes 丁公藤 To dispel wind and deprive dampness, reduce swelling, relieve pain./Wind-damp impediment pain, hemiplegia, painful swelling from knocks and falls.
TCMBANKHE007829 Pericarpium Zanthoxyli 花椒 To warm the spleen and the stomach and relieve pain, to kill worms, and to relieve itching./Spleen-stomach vacuity cold, cold pain in stomach duct and abdomen, vomiting, diarrhea, abdominal pain and vomiting due to roundworm.
TCMBANKHE008662 Radix Paeoniae Alba 白芍 1. To nourish blood and consolidate the yin; 2. To pacify the liver and stop pain; 3. To soothe liver yang/Headache and dizziness, pain in rib-side, abdominal pain, spasm in limbs, anemia with yellow complexion, menstrual disorder, profuse menstruation, spontaneous sweating, night sweating.
TCMBANKHE006598 Benzoinum 安息香 To restore consciousness. To activate the flow of qi and blood. To relieve pain./Sudden stroke and fulminant reversal, pain in heart and abdomen, postpartum blood dizziness, child fright epilepsy, wind impediment and lumbago.
TCMBANKHE006660 Ramulus Cinmomi 桂枝 To induce perspiration, to warm the channels and stimulate menstrual discharge, to reinforce yang, to relieve palpitation, and to promote the descending of qi./Wind-cold exterior syndrome, cold-damp impediment pain, reversal cold of limbs, amenorrhea and dysmenorrhea, concretion and conglomeration, chest impediment, palpitation, phlegm-rheum, inhibited urination.
TCMBANKHE006914 Ramulus Euonymi 鬼箭羽 For activating blood and modulating period/Concretion and conglomeration, pain in heart and abdomen, amenorrhea, dysmenorrhea, postpartum stasis stagnation abdominal pain, retention of lochia, mounting qi , joint running impediment pain, swelling of sores, painful wound from knocks and falls, burns and scalds, poisonous snake bite.
TCMBANKHE009129 Flos Trollii chinensis 金莲花 For clearing heat and removing toxic substances/Common cold with fever, swelling pain in throat, mouth sore, gum swelling and pain, gum hemorrhage, red eyes with gall, swelling toxin of clove sore, acute periostitis, acute lymphangitis.
TCMBANKHE007844 Flos Campsis 凌霄花 To promote blood circulation and remove blood stasis, to remove heat from the blood and dispel wind./Treatment of amenorrhea with mass in the abdomen, swelling of breast after childbirth, rubella red in colour, itching, acne.
TCMBANKHE007615 Rhizoma Sparganii 三棱 To eliminate blood stasis with strong effect, promote the flow of qi, remove the retention of undigested food, and relieve pain./Concretion conglomeration accumulation and gathering, qi-blood stagnation, pain in heart and abdomen, distending pain in rib-side, amenorrhea, postpartum blood stasis abdominal pain, knocks and falls, swelling of sores.
TCMBANKHE008224 radix asteris 紫菀 To eliminate phlegm and relieve cough./Cough and asthma with abundant phlegm, consumption cough and hemoptysis.
TCMBANKHE006523/XU-115 Flos Genkwa|Daphne genkwa Sieb. et Zucc 芫花 湖北神农架 1. To transform water and stop cough; 2. To resolve phlegm and stop cough; 3. To kill worms/Edema, ascites, hydrothorax, cough with profuse phlegm, chronic bronchitis, malaria, scalp infection, infection of skin, tinea capitis, neurodermatitis, induce abortion, toothache.
TCMBANKHE005257/YEM-104 Folium Nelumbinis|Nelumbo nucifera Gaertn. 荷叶|莲 云南民族药物志:第一卷 To relieve summer-heat, to invigorate the spleen function of the spleen and arrest bleeding by reducing heat in blood./Summerheat-heat vexation and thirst, summerheat-damp diarrhea, spleen vacuity diarrhea, blood heat, blood ejection, spontaneous external bleeding, hematochezia, flooding and spotting. 阿昌族/傣族/德昂族/景颇族/傈僳族/彝族/藏族
TCMBANKHE005628/YEM-121 Fructus Chaenomelis|Chaenomeles speciosa (Sweet) Nakai 木瓜|皱皮木瓜 木瓜 云南民族药物志:第一卷 To lessen contracture, regulate stomach function, and dispel damp./Vomiting and diarrhea with cramp, wind-damp impediment pain, cough and abundant phlegm, diarrhea, dysentery, painful wound from knocks and falls, beriberi with edema. 傣族/景颇族/苗族/彝族/藏族
TCMBANKHE005980/YEM-13 herba Menthae;Mentha haplocalyx Briq|Mentha haplocalyx Briq. 薄荷 薄荷 云南民族药物志:第一卷 To dispel wind-heat from the head and eyes, and to promote eruption./Chronic urticaria, infection of upper respiratory tract, sarcoma, wind-heat exterior syndrome, headache and red eyes, swelling pain in throat, non-eruption of measles, dormant papules with pruritus, liver depression and rib-side pain, abdominal distention. 阿昌族/傣族/德昂族/哈尼族/景颇族/傈僳族/彝族
TCMBANKHE006959/YNS-135/YEM-14 Semen Cassiae;Semen Sene|Cassia tora Linn.|Cassia tora L. 决明子;草决明|决明 决明根|草决明 云南药材标准:第三册|云南民族药物志:第一卷 安神补脑,清肝明目,理气止痛。主治失眠多梦,入睡易惊,腹内痉挛剧痛,腹部包块,黄疸,疟疾。|To remove heat from the liver, to improve eyesight, and to relax bowels.Treatment of inflammation in the eye with pain, photophobia and lacrimination, headache, dizziness, blurred vision and constipation./See Cassia obtusifolia.1. Oral adminstration of the hearbal powder can inhibit the rising of serum cholesterol and formation of atherosclerosis in rabbits.2. Its tincture and infusion can inhibit the myocardium of toad in vitro, and contract th eblood vessels of lower limbs.3. Its infusion can lower the blood pressure in dogs, cats and rabbits.4. Chrysophanol, one of the active components, is a laxative.5. Bacteriostatic. 傣族/基诺族/拉祜族/傈僳族/苗族/佤族/彝族/藏族
TCMBANKHE004087/YEM-220 Fructus Quisqualis|Quisqualis indica L. 使君子 使君子 云南民族药物志:第二卷 To kill worms./Ascariasis, oxyuria disease, child gan accumulation. 阿昌族/傣族/德昂族/景颇族/傈僳族/普米族/佤族/瑶族
TCMBANKHE008071/YEM-274 Spora Lygodii|Lygodium japonicum(Thunb.)Sw. 海金沙 海金沙 云南民族药物志:第二卷 To promote diuresis and treat stranguria/Heat strangury, stone strangury, blood strangury, inhibited urination [=dysuria], edema, white turbidity, vaginal discharge, hepatitis, diarrhea, dysentery, common cold with fever, cough and asthma, swelling pain in throat, mouth sore, red eyes with gall, mumps, mammary welling abscess, erysipelas, zoster, burns and scalds, itchy skin, wound swelling from knocks and falls, wind-damp impediment pain, bleeding due to external injury. 阿昌族/白族/傣族/德昂族/哈尼族/基诺族/景颇族/拉祜族/傈僳族/彝族/藏族
TCMBANKHE006576/YEM-61/XU-569 Fructus Chebulae|Terminalia chebula Retz.|Terminalia chebula var. tomentella 诃子|微毛诃子 诃子 云南民族药物志:第一卷|云南省临沧市永德县 To check diarrhea and chronic cough, and to soothe the sore throat./Chronic diarrhea and dysentery, hematochezia, prolapse of rectum, cough and asthma due to lung vacuity, incessant cough, aphonia due to throat pain. 阿昌族/傣族/德昂族/景颇族/傈僳族/藏族
TCMBANKHE006962/YEM-697/XU-461 Taraxacum mongolicum|Taraxacum mongolicum H.-M. 蒲公英 蒲公英 云南民族药物志:第四卷|云南省昆明市呈贡区梁王山 To clear heat and resolve toxin, dissipate binds and disperse swelling, disinhibit urine and free strangury./Epidemic parotitis, infection of upper respiratory tract, tonsillitis, laryngitis, sore pharynx, mastitis, hepatitis, swelling toxin of clove sore, mammary welling abscess, scrofula, red eyes, pulmonary welling abscess, damp-heat jaundice, heat strangury with inhibited pain. 阿昌族/布依族/傣族/德昂族/景颇族/傈僳族/苗族/彝族/藏族
TCMBANKHE005203/YEM-999/XU-341 Radix Isatidis seu Baphicacanthi|Isatis indigotica Fort.|Isatis indigotica 板蓝根|菘蓝 板蓝根 云南民族药物志:第五卷|山东省菏泽市 To remove toxic heat, to reduce heat in blood, and to soothe sore throat./Epidemic encephalitis, measles papulis, parotitis, influenza, warm toxin macular eruption, ardent fever with headache, massive head scourge, throat pain, maculopapular eruption, epidemic parotitis, erysipelas, hepatitis, swelling toxin of sore and welling abscess. 回族/彝族
TCMBANKHE003869/YEM-999/XU-341 Folium Isatidis|Isatis indigotica Fort.|Isatis indigotica 板蓝根(大青叶)|菘蓝 板蓝根 云南民族药物志:第五卷|山东省菏泽市 To clear heat and toxic materials, cool blood and eliminate eruption./Acute parotitis, encephalitis, hepatitis, lung abscess, acute gastroenteritis, infection of upper respiratory tract, warm evil in construction, ardent fever with clouded spirit, macular eruption and papules, jaundice, heat dysentery, epidemic parotitis, throat impediment, erysipelas, swollen welling abscess. 回族/彝族

   植物对应的疾病
疾病ID 病名 疾病类型 MeSH 参考文献

   化合物对应的靶点
靶点ID 基因名 基因别名 描述
TCMBANKGE000201 ESR1 ER; ESR; ESRA; ESTRR; Era; NR3A1 estrogen receptor 1
TCMBANKGE000476 NCOA2 GRIP1; KAT13C; NCoA-2; SRC2; TIF2; bHLHe75 nuclear receptor coactivator 2
TCMBANKGE000766 ACHE ACEE; ARACHE; N-ACHE; YT acetylcholinesterase (Cartwright blood group)
TCMBANKGE000813 DPP4 ADABP; ADCP2; CD26; DPPIV; TP103 dipeptidyl peptidase 4
TCMBANKGE000938 CDK2 CDKN2; p33(CDK2) cyclin dependent kinase 2
TCMBANKGE001073 PTGS2 COX-2; COX2; GRIPGHS; PGG/HS; PGHS-2; PHS-2; hCox-2 prostaglandin-endoperoxide synthase 2
TCMBANKGE001755 MAOB - monoamine oxidase B
TCMBANKGE006339 CA2 CA-II; CAC; CAII; Car2; HEL-76; HEL-S-282 carbonic anhydrase 2
TCMBANKGE006886 ADH1A ADH1 alcohol dehydrogenase 1A (class I), alpha polypeptide
TCMBANKGE006943 CHRM3 EGBRS; HM3; PBS cholinergic receptor muscarinic 3
TCMBANKGE008718 PRSS3 MTG; PRSS4; T9; TRY3; TRY4 serine protease 3
TCMBANKGE008921 RXRA NR2B1 retinoid X receptor alpha
TCMBANKGE009389 LYZ LYZF1; LZM lysozyme
TCMBANKGE011079 PRSS1 TRP1; TRY1; TRY4; TRYP1 serine protease 1
TCMBANKGE011214 DAO DAAO; DAMOX; OXDA D-amino acid oxidase
TCMBANKGE013105 PLA2G2E GIIE sPLA2; sPLA2-IIE phospholipase A2 group IIE
TCMBANKGE014050 GABRA1 ECA4; EIEE19; EJM; EJM5 gamma-aminobutyric acid type A receptor subunit alpha1