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RecombinantBiotinylatedHumanHLA-A*02:01&B2M&MAGE-A4orMAGE-A8(KVLEHVVRV)MonomerProtein,His-AviTag性能參數(shù)分子別名(Synonyms)MAGE-A4orMAGE-A8;MAGE-A4;MAGE-A8;表達(dá)區(qū)間及表達(dá)系統(tǒng)(Source)BiotinylatedHumanHLA-A*02:01&B2M&MAGE-A4orMAGE-A8(KVLEHVVRV)MonomerProteinisexpressedfromHEK293withHistagandAvitagattheC-Terminus.ItcontainsGly25-Thr305(HLA-A*02:01),Ile21-Met119(B2M)andKVLEHVVRVpeptide.[Accession|A0A140T913(HLA-A*02:01)&P61769(B2M)&KVLEHVVRV]分子量大?。∕olecularWeight)TheproteinhasapredictedMWof50.50kDa.Duetoglycosylation,theproteinmigratesto52-62kDabasedonSDS-PAGEresult.(Endotoxin)Lessthan1EUperμgbytheLALmethod.純度(Purity)>95%asdeterminedbySDS-PAGEandHPLC.制劑(Formulation)Suppliedas0.22μmfilteredsolutioninPBS(pH7.4).儲存條件Theproductshouldbestoredat-85~-65℃for1yearfromdateofreceipt.全長跨膜蛋白是一類特殊的蛋白質(zhì),它們嵌入在細(xì)胞膜的磷脂雙分子層中,實(shí)現(xiàn)細(xì)胞內(nèi)外的跨越。Recombinant Human VSIG8 Protein,His 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.M-MuLV Reverse Transcriptase全長跨膜蛋白A2AR,也就是腺苷受體A2aR(ADORA2A),是一種七次跨膜蛋白,屬于G蛋白偶聯(lián)受體。
Trop-2,alsoknownasepithelialglycoprotein-1antigen(EGP-1),isaproteinthatinhumansisencodedbytheTACSTD2gene.Mutationsofthisgeneresultingelatinousdrop-likecornealdystrophy,anautosomalrecessivedisordercharacterizedbyseverecornealamyloidosisleadingtoblindness.產(chǎn)品性質(zhì)別名EGP1;EGP-1;TROP2;GA733-1;gp50;T16;TACSTD2;TROP-2;M1S1;TACD2UniprotNo.P09758表達(dá)區(qū)間及表達(dá)系統(tǒng)RecombinantBiotinylatedHumanTROP-2/TACSTD2ProteinisexpressedfromHEK293cellswithHistagandAvitagattheC-terminal.ItcontainsHis27-Thr274.分子量TheproteinhasapredictedMWof30.5kDa.Duetoglycosylation,theproteinmigratesto46-55kDabasedonTris-BisPAGEresult.純度>95%asdeterminedbySDS-PAGEandHPLC活性ELISAData:ImmobilizedAnti-TROP-2Antibody,hFcTagat0.5μg/mL(100μL/well)ontheplate.DoseresponsecurveforBiotinylatedHumanTROP-2,HisTagwiththeEC50of24.1ng/mLdeterminedbyELISA.0EUper1μgoftheproteinbytheLALmethod.制劑Lyophilizedfrom0.22μmfilteredsolutioninPBS(pH7.4).Normally5%trehaloseisaddedasprotectantbeforelyophilization.
應(yīng)用蛋白質(zhì)糖基化分析Endo H常用于分析蛋白質(zhì)的糖基化模式。通過Endo H處理,可以移除蛋白質(zhì)上的高甘露糖型糖鏈,從而簡化糖鏈結(jié)構(gòu),便于進(jìn)一步的分析。生物制藥在生物制藥領(lǐng)域,Endo H用于改善重組蛋白藥物的糖基化質(zhì)量。通過調(diào)整培養(yǎng)條件和使用Endo H,可以優(yōu)化蛋白質(zhì)的糖鏈結(jié)構(gòu),提高藥物的療效和穩(wěn)定性。疾病研究Endo H也在疾病相關(guān)蛋白質(zhì)的糖基化研究中發(fā)揮作用。例如,腫瘤細(xì)胞表面的糖鏈結(jié)構(gòu)與正常細(xì)胞不同,Endo H可用于研究這些變化及其在疾病進(jìn)展中的作用。前景展望隨著對蛋白質(zhì)糖基化重要性認(rèn)識的增加,Endo H的應(yīng)用范圍預(yù)計(jì)將進(jìn)一步擴(kuò)大。未來研究可能會集中在開發(fā)更高效、專一性的Endo H變體,以及探索其在個性化醫(yī)療和精細(xì)中的應(yīng)用。結(jié)論Endo H作為一種重要的工具酶,在糖生物學(xué)研究和蛋白質(zhì)工程中扮演著關(guān)鍵角色。深入理解其結(jié)構(gòu)和功能,將有助于推動相關(guān)領(lǐng)域的科學(xué)進(jìn)展和臨床應(yīng)用。C5a通過與髓源性抑制細(xì)胞 (MDSCs) 膜上的受體C5aR1結(jié)合,招募MDSCs至炎癥局部,抑制CD8+ T細(xì)胞增殖與功能。
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.α-凝血酶不僅在凝血中起作用,還在細(xì)胞信號中發(fā)揮作用。它可以啟動血小板并刺激炎癥介質(zhì)的產(chǎn)生。Recombinant Human GAL1 Protein,hFc Tag
腸激酶能夠特異性識別并切割含有Aspartate-Aspartate-Aspartate-Lysine (DDDK) 序列的蛋白質(zhì)。Recombinant Human VSIG8 Protein,His Tag
泛素化是通過三個酶促步驟實(shí)現(xiàn)的。在ATP依賴的過程中,泛素酶(E1)催化與泛素形成活性硫酯鍵,然后轉(zhuǎn)移到泛素載體蛋白的活性位點(diǎn)半胱氨酸(E2)。泛素級聯(lián)對特定底物蛋白的選擇性依賴于E2結(jié)合酶(細(xì)胞中包含的相對較少)和泛素-蛋白連接酶(E3)之間的相互作用,迄今為止已經(jīng)鑒定出600多種這種酶。E3s是一個大的,多樣化的蛋白質(zhì)組,其特征是幾個確定的基序之一。這些包括HECT(與e6相關(guān)蛋白c端同源),RING(真正有趣的新基因)或U-box(沒有Zn2+結(jié)合配體的完整補(bǔ)充的修飾的RING基序)結(jié)構(gòu)域。而HECTE3s在泛素化過程中具有直接的催化作用,RING和U-boxE3s促進(jìn)蛋白質(zhì)泛素化。后兩種E3類型充當(dāng)適配器類分子。它們使E2和底物足夠接近,從而促進(jìn)底物的泛素化。雖然許多RING-typee3,如MDM2和c-Cbl,可以單獨(dú)發(fā)揮作用,但其他一些是作為更大的多蛋白復(fù)合體的組成部分,如后期促進(jìn)復(fù)合體。綜上所述,這些多面的特性和相互作用使E3s能夠利用泛素-蛋白酶體系統(tǒng),在真核生物的所有細(xì)胞中提供一種強(qiáng)大而具體的蛋白質(zhì)機(jī)制。該篩選了11種常用E2結(jié)合酶,可以篩選具有E3連接酶活性的蛋白所匹配的E2酶.Recombinant Human VSIG8 Protein,His Tag