牛纖維蛋白原(Bovine Fibrinogen, BFg)作為一種多功能的凝血蛋白,在血液凝固和傷口愈合過(guò)程中扮演著關(guān)鍵角色。本綜述旨在探討牛纖維蛋白原的分子結(jié)構(gòu)、生物學(xué)功能以及其在生物醫(yī)學(xué)研究中的潛在應(yīng)用。引言纖維蛋白原是血液中的一種重要糖蛋白,它參與血液凝固的階段,通過(guò)轉(zhuǎn)化為纖維蛋白來(lái)形成穩(wěn)定的血栓。牛纖維蛋白原因其與人類纖維蛋白原的高同源性,常被用作研究模型,以深入理解纖維蛋白原的功能及其在疾病中的作用。材料與方法蛋白提取與純化:從牛血中提取纖維蛋白原,并通過(guò)多次沉淀和層析技術(shù)進(jìn)行純化。分子結(jié)構(gòu)分析:利用質(zhì)譜、X射線晶體學(xué)等技術(shù)解析牛纖維蛋白原的分子結(jié)構(gòu)。功能研究:通過(guò)體外實(shí)驗(yàn)和動(dòng)物模型研究牛纖維蛋白原在血液凝固和細(xì)胞黏附中的作用。CX3CL1受到促炎性刺激的上調(diào),包括巨噬細(xì)胞,樹突狀細(xì)胞,內(nèi)皮細(xì)胞,神經(jīng)元,平滑肌,上皮細(xì)胞的細(xì)胞類型。Recombinant Mouse Factor H/CFH Protein,His Tag
RecombinantBiotinylatedCynomolgusSiglec-10Protein,His-AviTag性能參數(shù)分子別名(Synonyms)SLG2;SIGLEC10;MGC126774;PRO940表達(dá)區(qū)間及表達(dá)系統(tǒng)(Source)BiotinylatedCynomolgusSiglec-10ProteinisexpressedfromHEK293withHistagandAvitagattheC-terminus.ItcontainsThr17-Asn552.[Accession|A0A2K5WBX8]分子量大?。∕olecularWeight)TheproteinhasapredictedMWof61.71kDa.Duetoglycosylation,theproteinmigratesto72-82kDabasedonSDS-PAGEresult.(Endotoxin)Lessthan1EUperμgbytheLALmethod.純度(Purity)>95%asdeterminedbySDS-PAGE制劑(Formulation)Suppliedas0.22μmfilteredsolutionin25mMMES,150mMNaCl,0.5MArginine(pH5.0).儲(chǔ)存條件Theproductshouldbestoredat-85~-65℃for1yearfromdateofreceipt.Recommendtoaliquottheproteinintosmallerquantitieswhenfirstusedandavoidrepeatedfreeze-thawcycles.Recombinant Human LAG3/CD223 Protein,hFc Tag成熟的人IL-28A是一種約22-25 kDa蛋白,與小鼠和大鼠IL-28A共享66%的氨基酸序列身份,并顯示跨物種活性。
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.
IdeSProtease全稱免疫球蛋白G降解酶,酶活(Enzymeactivity)40U/μL酶活定義(UnitDefinition)在37℃條件下,反應(yīng)30min,剪切>95%的1μg重組單克隆IgG所需要的酶量定義為一個(gè)活性單位。儲(chǔ)存條件-25~-15℃保存,有效期1年。使用方法1.在消化液中加入適量IgG(加至5mg);2.在IgG樣本中加入IdeS蛋白酶(每1μgIgG加入1個(gè)單位的IdeS);3.將樣品置于37℃孵育30-60min。IdeS蛋白酶在中性pH或接近中性pH的緩沖中活性強(qiáng)。推薦反應(yīng)緩沖是50mM磷酸鈉,150mMNaCl(pH6.6),多數(shù)常見(jiàn)的生物緩沖也適用,比如Tris或PBS;注意:不在此pH范圍(例如乙酸鹽緩沖液)的緩沖也可能適用,但是孵育時(shí)間或酶量需要根據(jù)實(shí)際情況進(jìn)行優(yōu)化。注意事項(xiàng)1.IdeS不能識(shí)別切割小鼠IgG1/IgG2b,大鼠、豬、牛和山羊IgG,對(duì)小鼠IgG2a和IgG3具有中等酶切活性,酶切小鼠IgG2a和IgG3建議增加IdeS的用量(推薦用量為正常用量的5-10倍)。2.IdeS不能切割非IgG亞型的單抗分子,包括IgA、IgM、IgD和IgE。FGF-18與FGF R2C,F(xiàn)GF R3C以及高爾基蛋白GLG1結(jié)合,并誘導(dǎo)星形膠質(zhì)細(xì)胞和小膠質(zhì)細(xì)胞。
RecombinantBiotinylatedHumanKIR2DL1Protein,His-AviTag性能參數(shù)分子別名(Synonyms)CD158A;CD158Ankat1;cl-42表達(dá)區(qū)間及表達(dá)系統(tǒng)(Source)BiotinylatedHumanKIR2DL1ProteinisexpressedfromHEK293withHistagandAvitagattheC-Terminus.ItcontainsHis22-Arg242.[Accession|P43626]分子量大小(MolecularWeight)TheproteinhasapredictedMWof27.1kDa.Duetoglycosylation,theproteinmigratesto48-60kDabasedonSDS-PAGEresult.(Endotoxin)Lessthan1EUperμgbytheLALmethod.純度(Purity)>95%asdeterminedbySDS-PAGEandHPLC.制劑(Formulation)Lyophilizedfrom0.22μmfilteredsolutioninPBS(pH7.4).Normally8%trehaloseisaddedasprotectantbeforelyophilization.重構(gòu)方法(Reconstitution)Centrifugethetubebeforeopening.Reconstitutingtoaconcentrationmorethan100μg/mlisrecommended.Dissolvethelyophilizedproteinindistilledwater.儲(chǔ)存條件Theproductshouldbestoredat-25~-15℃for1yearfromdateofreceipt.2-7days,2~8°Cundersterileconditionsafterreconstitution.透明質(zhì)酸(Hyaluronic Acid,簡(jiǎn)稱HA)是一種存在于人體和動(dòng)物組織中的天然高分子多糖,稱為糖醛酸或玻尿酸。Recombinant Human BAFFR/TNFRSF13C Protein,hFc Tag
AFGF在調(diào)節(jié)細(xì)胞存活,細(xì)胞分裂,血管生成,細(xì)胞分化和細(xì)胞遷移中起重要作用。Recombinant Mouse Factor H/CFH 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.Recombinant Mouse Factor H/CFH Protein,His Tag