提供來源于牛肺的抑肽酶(動物源性)。產(chǎn)品信息規(guī)格1mg/10mg產(chǎn)品性質(zhì)來源(Source)大腸桿菌表達(dá)CAS號(CASNO.)9087-70-1外觀(Appearance)白色、類白色、類黃色粉末溶解度(5mg/mlin0.9%NaCl)可溶,澄清或微濁純度(Purity)≥95%(HPLC)蛋白含量(Proteincontent)≥60%酶濃度(EnzymeConcentration)≥3.0EPU/mgpro活性定義(ActivityDefinition)胰蛋白酶單位:每秒鐘能水解1μmoL的N-苯甲酰-L-精氨酸乙酯(BAEE)為1個胰蛋白酶單位。酶活單位:能抑制1個胰蛋白酶單位的活力稱為1個抑肽酶活力單位(EPU)。儲存條件凍干粉2~8℃保存,有效期2年。使用方法抑肽酶與蛋白酶是等摩爾有效結(jié)合,推薦的結(jié)合pH>6.0,在pH<3.0的條件下不結(jié)合??芍苯邮褂?.9%NaCl溶解,溶解后可-20℃儲存。α-凝血酶,是血液凝固途徑中的關(guān)鍵酶。它負(fù)責(zé)將纖維蛋白原轉(zhuǎn)化為纖維蛋白,形成血凝塊的基礎(chǔ)。Recombinant Human NKG2A/CD159a Protein,hFc Tag

牙花(GPC)是硫酸肝素蛋白聚糖的一個家族,它是由糖磷酸肌醇(GPI)錨連接在細(xì)胞表面的。在哺乳動物中發(fā)現(xiàn)了這個家族的六名成員(GPC-GPC6)。已經(jīng)研制出幾種抗gpc3抗體。產(chǎn)品性質(zhì)同義詞Gpc3;dgsx;gbs1;sgbs1;sgbs1;工會編號P51654-1來源重組人的Gpc3/葡萄糖3蛋白表達(dá)于C-端的HK293細(xì)胞和AVI標(biāo)記。里面有GLN-25-559。分子量該蛋白質(zhì)的預(yù)測兆瓦為63.6kda。由于糖基化,蛋白質(zhì)遷移到42kda,80-135kda基于三聯(lián)頁面結(jié)果。純潔根據(jù)三-BIS頁面確定的90%產(chǎn)品用Lal法測定每一種蛋白質(zhì)。公式化在PBS(PPS)中用0.22離子過濾溶液凍干(PH7.4)。通常在凍干前添加5%海藻糖作為保護劑。重建離心管打開前。建議將其重組為超過100克/毫升的濃度(凍干時通常使用1毫克/毫升的溶液)。在蒸餾水中溶解凍干蛋白。Recombinant Cynomolgus GDF15 Protein,hFc Tag全長膜蛋白由于其天然構(gòu)象,是跨膜蛋白藥物開發(fā)中的好的抗原。在細(xì)胞中的表達(dá)水平通常較低。

CD40,alsoknownasTNFRSF5,isa45-50kDatypeItransmembraneglycoproteinmemberoftheTNFreceptorsuperfamily.MaturehumanCD40consistsofa173aminoacid(aa)extracellulardomain,atransmembranedomain,anda62aacytoplasmicdomain.CD40servesmultiplefunctionsinbothhematopoieticandepithelialcancersandisatargetfortumorimmunotherapy.DysregulationofCD40/CD40LigandexpressionandinteractionscontributestotheimmunedeficiencyassociatedwithHIVinfectionandAIDS.Itisalsoimplicatedinthepathologyofmultiplecardiovasculardiseasesincludingatherosclerosis,atherothrombosis,andrestenosis.產(chǎn)品性質(zhì)別名CD40;CD40Lreceptor;TNFRSF5;CD40antigen;CD40molecule;CDw40;MGC9013;UniprotNo.P25942表達(dá)區(qū)間及表達(dá)系統(tǒng)RecombinantBiotinylatedHumanCD40/TNFRSF5ProteinisexpressedfromHEK293CellswithHistagandAvitagattheC-terminal.ItcontainsGlu21-Arg193.分子量Approximately22.1kDa.Duetoglycosylation,theproteinmigratesto35-40kDabasedonTris-BisPAGEresult.純度>95%asdeterminedbySDS-PAGEandHPLC.活性
Coronavirusesarecommonlycomprisedoffourstructuralproteins:Spikeprotein(S),Envelopeprotein(E),Membraneprotein(M)andNucleocapsidprotein(N).TheSARS-CoV-2Sproteinisaglycoproteinthatmediatesmembranefusionandviralentry.TheSproteinishomotrimeric,witheach~180-kDamonomerconsistingoftwosubunits,S1andS2.TheRBDofSARS-CoV-2bindsametallopeptidase,angiotensin-convertingenzyme2(ACE-2).產(chǎn)品性質(zhì)別名SproteinRBD;SglycoproteinRBD;SpikeproteinRBDAccessionQHD43416.1表達(dá)區(qū)間及表達(dá)系統(tǒng)RecombinantSARS-CoV-2SpikeRBD(OmicronBA.4/BA.5/BA.5.1.3/BA.5.2)ProteinisexpressedfromExpi293withHistagattheC-terminal.ItcontainsArg319-Phe541(G339D,S371F,S373P,S375F,T376A,D405N,R408S,K417N,N440K,L452R,S477N,T478K,E484A,F486V,Q498R,N501Y,Y505H).腸激酶用于重組抗體和其他蛋白質(zhì)的質(zhì)量檢測,確保其正確折疊和功能。

RecombinantHumanACE2/ACEHProtein,hFcTag性能參數(shù),分子別名(Synonyms)ACE2;ACEH;ACE-2表達(dá)區(qū)間及表達(dá)系統(tǒng)(Source)HumanACE2/ACEHProteinisexpressedfromHEK293withhFctagattheC-Terminus.ItcontainsGln18-Ser740.[Accession|Q9BYF1-1]分子量大?。∕olecularWeight)TheproteinhasapredictedMWof109.2kDa.Duetoglycosylation,theproteinmigratesto115-130kDabasedonSDS-PAGEresult.Endotoxin)Lessthan1EUperμgbytheLALmethod.純度(Purity)>95%asdeterminedbySDS-PAGEandHPLC.活性(Activity)ELISAData:ImmobilizedSARS-COV-2SpikeS(B.1.1.529/Omicron)Trimer,HisTagat1μg/ml(100μl/well)ontheplate.DoseresponsecurveforHumanACE2,hFcTagwiththeEC50of13.7ng/mldeterminedbyELISA.制劑(Formulation)Lyophilizedfrom0.22μmfilteredsolutioninPBS(pH7.4).Normally8%trehaloseisaddedasprotectantbeforelyophilization.重構(gòu)方法(Reconstitution)Centrifugethetubebeforeopening.Reconstitutingtoaconcentrationmorethan100μg/mlisrecommended.Dissolvethelyophilizedproteinindistilledwater.跨膜蛋白在宿主細(xì)胞中的表達(dá)水平通常有點低,研發(fā)困難,對蛋白表達(dá)生產(chǎn)平臺技術(shù)要求極高。Recombinant Human IL-7 Protein
泛素化是一種蛋白質(zhì)翻譯后修飾過程,涉及將泛素分子共價結(jié)合到靶蛋白上。這個過程由一系列酶促反應(yīng)組成。Recombinant Human NKG2A/CD159a Protein,hFc Tag
Name:AITRL,MouseSynonyms:Activation-inducedTNFRmemberLigand,TNFSF18,GITRL,TL-6Description:Activation-InducibleTNF-RelatedLigand(AITRL),alsoknownasGlucocorticoid-InducedTNF-RelatedLigand(GITRL),belongstothetumornecrosisfactorsuperfamily(TNFSF).AITRLisaTypeIIsingletransmembraneproteinandshareslowconservationwithintheextracellulardomainwithotherTNFSFmembers.AITRLisexpressedonmacrophages,immatureandmaturedendriticcellsandBcells.Itsreceptor,Activation-InducibleTNFRfamilyReceptor(AITR),isexpressedonTlymphocytes,naturalkiller(NK)cells,andantigen-presentingcells.AfterbindingbyAITRL,AITRcanbereleased.AITRactivationincreasesresistancetotumorsandviralinfectionsandisinvolvedinautoimmuneandinflammatoryprocesses.Inaddition,activatedAITRincreasesTCR-inducedTcellproliferationandcytokineproductionandrescuesTcellsandNKcellsfromapoptosis.RecombinantmouseActivation-InducibleTNF-RelatedLigand(rmAITRL)producedinE.Recombinant Human NKG2A/CD159a Protein,hFc Tag
重組人KIR2DL3蛋白(Recombinant Human KIR2DL3 Protein, His-Avi Tag)是一種重要的免疫調(diào)節(jié)受體,屬于殺傷細(xì)胞免疫球蛋白樣受體(Killer-cell Immunoglobulin-like Receptor, KIR)家族,主要表達(dá)于自然殺傷細(xì)胞(NK細(xì)胞)和部分T細(xì)胞亞群表面。KIR2DL3通過識別并結(jié)合靶細(xì)胞表面特定的HLA-C分子,傳遞抑制性信號,從而抑制NK細(xì)胞的細(xì)胞毒活性,在維持免疫耐受、抗病毒免疫及腫瘤免疫監(jiān)視中發(fā)揮關(guān)鍵作用。該重組蛋白采用真核表達(dá)系統(tǒng)(如HEK293細(xì)胞)制備,確保了其天然構(gòu)象和生物活性。其N端融合了His標(biāo)簽,便...