企业商机
标准物质基本参数
  • 品牌
  • Proscript
  • 型号
  • EA
标准物质企业商机

RecombinantBiotinylatedHumanENPP-3Protein,His-AviTag性能参数分子别名(Synonyms)NPP3;E-NPP3;PD-Ibeta表达区间及表达系统(Source)BiotinylatedHumanENPP-3ProteinisexpressedfromHEK293withHistagandAvitagattheN-Terminus.ItcontainsLeu48-Ile875.[Accession|O14638]分子量大小(MolecularWeight)TheproteinhasapredictedMWof99.97kDa.Duetoglycosylation,theproteinmigratesto110-130kDabasedonSDS-PAGEresult.(Endotoxin)Lessthan1EUperμgbytheLALmethod.纯度(Purity)>95%asdeterminedbySDS-PAGEandHPLC.制剂(Formulation)Lyophilizedfrom0.22μmfilteredsolutioninPBS(pH7.4).Normally8%trehaloseisaddedasprotectantbeforelyophilization.重构方法(Reconstitution)Centrifugethetubebeforeopening.Reconstitutingtoaconcentrationmorethan100μg/mlisrecommended.Dissolvethelyophilizedproteinindistilledwater.储存条件Theproductshouldbestoredat-25~-15℃for1yearfromdateofreceipt.2-7days,2~8°Cundersterileconditionsafterreconstitution.3-6months,-85~-65℃understerileconditionsafterreconstitution.SDF-1同工型与细胞表面上的CXCR4和CXCR7受体相互作用,也可以结合Syndecan-4。Recombinant Cynomolgus CD30/TNFRSF8 Protein,His Tag

Recombinant Cynomolgus CD30/TNFRSF8 Protein,His Tag,标准物质

抑肽酶(Aprotinin),又称为抑蛋白酶肽,是一种竞争性、可逆的丝氨酸蛋白酶抑制剂,可与丝氨酸蛋白酶形成稳定复合物并阻断酶的活性位点,这种结合是可逆的,大多数的抑肽酶-蛋白酶复合物在极端的pH<3.0的条件下解除结合。抑肽酶抑制糜蛋白酶、胰蛋白酶、激肽释放酶和血纤维蛋白溶酶,不能抑制Xa因子和凝血酶。从结构上来说,抑肽酶是一种来自牛肺的单体球状蛋白,由58个氨基酸组成并排列在具有三个交联二硫键的单个多肽链中。重组抑肽酶采用大肠杆菌表达,在GMP法规下生产,不含任何动物源成分,无动物源性的病毒污染,氨基酸序列与来源于牛肺的抑肽酶完全一致,具有与动物源性抑肽酶相同的酶学性质,可替代动物源性抑肽酶用于各种生物技术过程中,如:重组蛋白生产中抑制丝氨酸蛋白酶的活性;细胞培养等。Recombinant Mouse Latent TGF beta 1/TGFB1 Protein,His Tag[Tyr1]-MIF-1配方:溶解于20 mM PBS, pH 7.4, 130 mM NaCl溶液中,并经0.22μm过滤后冻干而成。

Recombinant Cynomolgus CD30/TNFRSF8 Protein,His Tag,标准物质

AngiotensinIConvertingEnzyme(ACE-2),alsocalledACEH(ACEhomologue),isadimeric,zinc-dependentmetalloproteaseoftheACEfamilythatalsoincludessomaticandgerminalACE.ACE-2mRNAisfoundathighlevelsinheart,testis,andkidneyandatlowerlevelsinawidevarietyoftissues.ACE-2istheSARS-CoVandSARS-CoV2Spikeproteinreceptorinvivo,functionscatalyticallyasacarboxypeptidasetocleaveseveralsubstratesincludingangiotensinsIandII,andactsasapartnerforB0AT1-familyaminoacidtransporters.Throughthesefunctions,ACE-2hasbeenshowntobeinvolvedinseveraldiseasesincludingSARS,COVID19,acutelunginjury,heartdisease,liverandlungfibrosis,inflammatorylungdisease,andcardiopulmonarydisease.FulllengthACE-2proteinincludesanextracellularregioncomposedofasingleN-terminalpeptidasedomainandC-terminalcollectrin-likedomain(CLD),atransmembranedomain,andashortcytoplasmictail.TheN-terminalpeptidaseregionisrequiredforbindingtoSARS-CoVandSARS-CoV2spikeproteins,whiletheCLDcontainsaregionthatpromotesdimerizationandassociationwithaminoacidtransporters.

Coronavirusesarecommonlycomprisedoffourstructuralproteins:Spikeprotein(S),Envelopeprotein(E),Membraneprotein(M)andNucleocapsidprotein(N).TheSARS-CoV-2Sproteinisaglycoproteinthatmediatesmembranefusionandviralentry.TheSproteinishomotrimeric,witheach~180-kDamonomerconsistingoftwosubunits,S1andS2.TheRBDofSARS-CoV-2bindsametallopeptidase,angiotensin-convertingenzyme2(ACE-2).产品性质别名SproteinRBD;SglycoproteinRBD;SpikeproteinRBDAccessionQHD43416.1表达区间及表达系统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).透明质酸由D-葡萄糖醛酸及N-乙酰葡糖胺组成的双糖单位构成,分子量可以从数千到数千万道尔顿不等。

Recombinant Cynomolgus CD30/TNFRSF8 Protein,His Tag,标准物质

N-糖苷酶F(PNGaseF)是一种酰胺水解酶,经过和平空间站伊丽莎菌克隆,主要由脑膜炎脓杆菌等革兰氏阴性菌分泌。酵母重组表达N-糖苷酶F(比活性:750000U/mL),可以裂解由天冬酰胺连接的高甘露糖、杂合和复杂的寡糖糖蛋白。PNGaseF的切割位点为糖蛋白内侧N-乙酰葡萄糖胺(GlcNAc)和天冬酰氨残基之间的酰胺键,同时将酶解后蛋白上的天冬氨酰转化为天冬氨酸。本产品带his标签,常应用于抗体及其相关蛋白完全去糖基化。另外,我司还提供其他类型的糖苷酶,包括酵母重组表达的N-糖苷酶F,糖苷内切酶H,糖苷内切酶S。产品信息产品性质中文别名(Chinesesynonym)N-糖酰胺酶F;N-糖苷酶F英文别名(Englishsynonym)PNGaseF来源(Source)酵母重组表达分子量(Molecularweight)36kDa比活性(Specificactivity)750000U/mL缓冲液组分(Buffer)20mMTris-HClpH7.5,50mMNaCl,5mMEDTA,50%Glycerol通过研究,CDNF可防止6-羟基多巴胺(6-OHDA)诱导的多巴胺能神经元变性,这可能对帕金森氏病有益。Recombinant Human MERTK/Mer Protein,mFc Tag

在体内,活化的X因子(Factor Xa)切割凝血酶原,释放出活性肽并将凝血酶切割成具有催化活性的α-凝血酶。Recombinant Cynomolgus CD30/TNFRSF8 Protein,His Tag

SARS-CoV-2,whichcausestheglobalpandemiccoronavirusdisease2019(Covid-19),belongstoafamilyofvirusesknownascoronavirusesthatalsoincludeMERS‑CoVandSARS-CoV-1.Coronavirusesarecommonlycomprisedoffourstructuralproteins:Spikeprotein(S),Envelopeprotein(E),Membraneprotein(M)andNucleocapsidprotein(N).TheSARS-CoV-2Sproteinisaglycoproteinthatmediatesmembranefusionandviralentry.TheSproteinishomotrimeric,witheach~180-kDamonomerconsistingoftwosubunits,S1andS2.TheRBDofSARS-CoV-2bindsametallopeptidase,angiotensin-convertingenzyme2(ACE-2).BeforebindingtotheACE-2receptor,structuralanalysisoftheS1trimershowsthatonlyoneofthethreeRBDdomainsisinthe"up"conformation.Thisisanunstableandtransientstatethatpassesbetweentrimericsubunitsbutisneverthelessanexposedstatetobetargetedforneutralizingantibodytherapy.PolyclonalantibodiestotheRBDoftheSARS-CoV-2proteinhavebeenshowntoinhibitinteractionwiththeACE-2receptor,confirmingRBDasanattractivetargetforvaccinationsorantiviraltherapy.Recombinant Cynomolgus CD30/TNFRSF8 Protein,His Tag

与标准物质相关的文章
Recombinant Human CD89 (His Tag) 2025-12-27

重组人Siglec-4a(亦称髓鞘相关糖蛋白MAG)胞外区(Ser17-Gly516)经HEK293表达,C端融合hFc-Avi双标签,分子量约80 kDa,纯度≥97%(SEC-HPLC),内素<0.03 EU/μg。Siglec-4a专一识别神经轴突表面α2,3-连接唾液酸,通过ITIM基序抑制神经元过度启动,在髓鞘形成、轴突维持及神经损伤后免疫逃逸中起“制动器”作用。本品Fc段支持标准ELISA、免疫沉淀与细胞结合实验;Avi标签可在15 min内被BirA酶定量生物素化,生成定向固定的表面探针,用于SPR精确测定抗体或糖肽拮抗剂的亲和力(KD低至pM级)。体外髓鞘-轴突共培养体系中,重...

与标准物质相关的问题
信息来源于互联网 本站不为信息真实性负责