CD19蛋白在B細(xì)胞和體液免疫反應(yīng)中起著作用。成熟B細(xì)胞對(duì)抗原刺激、胚芽中心發(fā)育和抗體親和性成熟的反應(yīng)能力是必需的。CD19已成為血液學(xué)和實(shí)體的有前途的靶點(diǎn)。產(chǎn)品性質(zhì)同義詞CD19;B4;CVID3;Leu-12;MGC12802工會(huì)編號(hào)P15391來源生化重組人CD19蛋白表達(dá)于HK293細(xì)胞,標(biāo)記于C-端。它含有金屬1-Lys291。分子量重組cd19由283個(gè)氨基酸組成,預(yù)測(cè)分子質(zhì)量為31.6kda。純潔90%由社會(huì)發(fā)展秘書處----政策和兩性平等局確定。內(nèi)用Lal法測(cè)定每一種蛋白質(zhì)。公式化用0.22腔形過濾液對(duì)PBS進(jìn)行凍干。凍干前添加5%-8%海藻糖、甘露醇和0.01%TWEen80作為保護(hù)劑。重建離心管打開前。建議將其重組為100克/毫升以上的濃度。在蒸餾水中溶解凍干蛋白。[Tyr1]-MIF-1配方:溶解于20 mM PBS, pH 7.4, 130 mM NaCl溶液中,并經(jīng)0.22μm過濾后凍干而成。Recombinant Mouse ADAM9 Protein,His Tag
重組型TEV蛋白酶(rTEV)是經(jīng)過基因工程改造和純化后的重組蛋白酶,不僅保持天然TEV酶的功能活性,且在廣譜的溫度范圍內(nèi)表現(xiàn)出更強(qiáng)的穩(wěn)定性和特異性。rTEV是一種用來切除融合蛋白上親和標(biāo)簽的常用工具酶,具有很強(qiáng)的位點(diǎn)特異性,嚴(yán)格識(shí)別七氨基酸序列EXXYXQ↓(G/S),切割位點(diǎn)在谷氨酰胺和甘氨酸/絲氨酸之間。普遍應(yīng)用的七氨基酸序列為:Glu-Asn-Leu-Tyr-Phe-Gln↓-Gly。rTEV在pH7.0,30℃時(shí)可達(dá)活性,但在pH6.0-8.5和溫度4-30℃范圍內(nèi)皆有活性(見表1),使得反應(yīng)條件的選擇可根據(jù)目的蛋白的情況而靈活變動(dòng)。另外rTEV切割后也能利用其N端的6×His標(biāo)簽,通過Ni-NTA樹脂去除,以達(dá)到純化目的蛋白的目的。產(chǎn)品性質(zhì)來源(Source)大腸桿菌外觀(Appearance)無色透明液體比活力(SpecificActivity)5U/μL活性定義(UnitDefinition)在1×rTEVBuffer(50mMTris,pH8.0,0.1mMEDTA,1mMDTT)中,30℃反應(yīng)1h,剪切>85%的3μg底物所需要的酶量定義為一個(gè)活性單位。純化(Purification)Ni柱親和純化純度(Purity)≥95%(bySDS-PAGE)產(chǎn)品組分運(yùn)輸與保存方法冰袋運(yùn)輸。Recombinant Human GDF-7/BMP-12人血清白蛋白(HSA)是脂類等物質(zhì)的轉(zhuǎn)運(yùn)載體,其主要生理功能是調(diào)節(jié)血漿pH值和維持血漿滲透壓。
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.
IdeSProtease全稱免疫球蛋白G降解酶(ImmunoglubulinG-degradingenzymeofStreptococcuspyogenes,IdeS),是由人類致病菌釀膿鏈球菌(Streptococcuspyogenes)產(chǎn)生并分泌至胞外的一種半胱氨酸水解酶。該蛋白酶具有極高的底物特異性,能識(shí)別IgG,在抗體下鉸鏈區(qū)的特定位點(diǎn)進(jìn)行酶切,使IgG水解為完整的F(ab’)2片段和Fc片段。IdeS可識(shí)別人源和其他多種動(dòng)物來源的IgG,比如人、兔、猴、綿羊以及人動(dòng)物嵌合IgG等。IdeS具有獨(dú)特的底物選擇性,可以作為工具酶應(yīng)用于抗體類藥物或抗體融合蛋白藥物的結(jié)構(gòu)表征分析。本產(chǎn)品利用大腸桿菌重組表達(dá),純度高,具有良好的酶切活性,是用于表征抗體、Fc融合蛋白和抗體-藥物復(fù)合物的有價(jià)值的工具。產(chǎn)品信息規(guī)格2000U/5000U產(chǎn)品性質(zhì)中文別名(Chinesesynonym)免疫球蛋白G降解酶英文別名(Englishsynonym)IdeSProtease來源(Source)大腸桿菌表達(dá)標(biāo)簽(label)N-terminalHisTag純度(Purity)經(jīng)SDS-PAGE及HPLC分析,純度>95%分子量(Molecularweight)35.3kDa緩沖液組分(Buffer)50mM磷酸鈉,150mMNaCl(pH6.6),50%glycerol重組腸激酶(rEK)是一種高純度的重組牛腸激酶輕鏈片段,氨基酸序列與牛腸激酶輕鏈一致,有著酶切位點(diǎn)。
性能參數(shù)表達(dá)區(qū)間及表達(dá)系統(tǒng)(Source)CynomolgusCD27Ligand/CD70ProteinisexpressedfromHEK293withHistagattheN-terminal.ItcontainsGln39-Pro194.[Accession|G7PYU6-1]分子量大?。∕olecularWeight)TheproteinhasapredictedMWof18.4kDa.Duetoglycosylation,theproteinmigratesto60-90kDabasedonTris-BisPAGEresult.(Endotoxin)Lessthan1EUperugbytheLALmethod.純度(Purity)>95%asdeterminedbyTris-BisPAGE活性(Activity)ELISAData:ImmobilizedCynomolgusCD27Ligand,HisTagat2μg/ml(100μl/well)ontheplate.DoseresponsecurveforCynomolgus/RhesusmacaqueCD27,hFcTagwiththeEC50of70.8ng/mldeterminedbyELISA.制劑(Formulation)Lyophilizedfrom0.22μmfilteredsolutioninPBS(pH7.4).Normally8%trehaloseisaddedasprotectantbeforelyophilization.重構(gòu)方法(Reconstitution)Centrifugetubesbeforeopening.Reconstitutingtoaconcentrationmorethan100μg/mlisrecommended.Dissolvethelyophilizedproteinindistilledwater.UbcH7耗盡導(dǎo)致S期延長(zhǎng)和增殖速率降低,提示它可能在細(xì)胞周期中起作用。Recombinant Human GDF-7/BMP-12
猴痘病毒(Monkeypox Virus, MPXV)屬于正痘病毒屬。一般來說,同屬病毒具有相似的生物學(xué)特性。Recombinant Mouse ADAM9 Protein,His Tag
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Recombinant Mouse ADAM9 Protein,His Tag
浦斯瑞(上海)生物醫(yī)藥有限公司在同行業(yè)領(lǐng)域中,一直處在一個(gè)不斷銳意進(jìn)取,不斷制造創(chuàng)新的市場(chǎng)高度,多年以來致力于發(fā)展富有創(chuàng)新價(jià)值理念的產(chǎn)品標(biāo)準(zhǔn),在江蘇省等地區(qū)的化工中始終保持良好的商業(yè)口碑,成績(jī)讓我們喜悅,但不會(huì)讓我們止步,殘酷的市場(chǎng)磨煉了我們堅(jiān)強(qiáng)不屈的意志,和諧溫馨的工作環(huán)境,富有營(yíng)養(yǎng)的公司土壤滋養(yǎng)著我們不斷開拓創(chuàng)新,勇于進(jìn)取的無限潛力,浦斯瑞(上海)生物醫(yī)藥供應(yīng)攜手大家一起走向共同輝煌的未來,回首過去,我們不會(huì)因?yàn)槿〉昧艘稽c(diǎn)點(diǎn)成績(jī)而沾沾自喜,相反的是面對(duì)競(jìng)爭(zhēng)越來越激烈的市場(chǎng)氛圍,我們更要明確自己的不足,做好迎接新挑戰(zhàn)的準(zhǔn)備,要不畏困難,激流勇進(jìn),以一個(gè)更嶄新的精神面貌迎接大家,共同走向輝煌回來!