Recombinant Human PD-1/PDCD1 Protein

來源: 發(fā)布時間:2024-05-09

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表達區(qū)間及表達系統(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).CX3CL1用作粘附分子,而兩種形式都是表達CX3CR1的靶細胞的化學吸引力。Recombinant Human PD-1/PDCD1 Protein,mFc Tag

Recombinant Human PD-1/PDCD1 Protein,mFc Tag,標準物質(zhì)

Recombinant Biotinylated Human OX40/TNFRSF4/CD134 Protein (Primary Amine Labeling),hFc Tag性能參數(shù)分子別名(Synonyms)OX40Lreceptor;CD134;TNFRSF4;Ly-70表達區(qū)間及表達系統(tǒng)(Source)BiotinylatedHumanOX40/TNFRSF4/CD134Protein(PrimaryAmineLabeling)isexpressedfromHEK293withhFctagattheC-Terminus.ItcontainsLeu29-Ala216.[Accession|P43489]分子量大?。∕olecularWeight)TheproteinhasapredictedMWof46.8kDa.Duetoglycosylation,theproteinmigratesto72-75kDabasedonSDS-PAGEresult.(Endotoxin)Lessthan1EUperμgbytheLALmethod.純度(Purity)>95%asdeterminedbySDS-PAGE制劑(Formulation)Suppliedas0.22μmfilteredsolutioninPBS(pH7.4).儲存條件Theproductshouldbestoredat-85~-65℃for1yearfromdateofreceipt.Recommendtoaliquottheproteinintosmallerquantitieswhenfirstusedandavoidrepeatedfreeze-thawcycles.Recombinant Human CEACAM-3 Protein,hFc TagAFGF在調(diào)節(jié)細胞存活,細胞分裂,血管生成,細胞分化和細胞遷移中起重要作用。

Recombinant Human PD-1/PDCD1 Protein,mFc Tag,標準物質(zhì)

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,有著和天然提取的腸激酶同樣特異的酶切位點,切割位點Asp-Asp-Asp-Asp-Lys,可去除位于蛋白N-末端的融合蛋白,以除去不需要的融合標簽,同時重組腸激酶(rEK)具有比天然酶更高的切割活性。重組腸激酶為采用重組大腸桿菌分泌表達的高純度、高活性、高特異的牛腸激酶,不含其他蛋白酶,可以在較寬pH范圍(4.5-9.5)和較寬溫度范圍內(nèi)有效切割融合蛋白,并且在各種去垢劑和變性劑存在的條件下仍具有部分活性。本品不含標簽,由于具有極高酶切活性,酶切反應(yīng)使用量少,不影響下游蛋白應(yīng)用,可不考慮除去。產(chǎn)品信息規(guī)格100U/200U/500U/1000U/5000U產(chǎn)品性質(zhì)來源(Source)大腸桿菌表達分子量(MolecularWeight)理論值25.85kDa外觀(Appearance)澄清、無色至淡黃色液體酶濃度(EnzymeConcentration)≥5U/uL活性定義(ActivityDefinition)一個活性單位定義為25°C,12-16h,

產(chǎn)品性質(zhì)英文別名(EnglishSynonym)Factor-1CAS號(CASNO.)9001-32-5外觀(Appearance)白色至類白色凍干粉末或塊狀物蛋白含量(ProteinContent)50-70%protein((≥85%ofproteinisclottable)溶解性(Solubility)溶于0.9%生理鹽水(10mg/ml),不溶于水運輸和保存方法冰袋運輸。-20℃保存,有效期4年。注意事項1)纖維蛋白原一般應(yīng)采用37℃的生理鹽水溶解,溶解時溫度不宜過低,在4℃條件下以及不含鹽的溶液中難以溶解。注意纖維蛋白原溶液在50℃以上變性,因此加熱溫度不宜超過50℃。2)為了您的安全和健康,請穿實驗服并戴一次性手套操作。3)本產(chǎn)品作科研用途!儲存液配制牛纖維蛋白原可溶于0.9%NaCl溶液,配制成2.5-10mg/ml的溶液于-20℃凍存,無菌過濾后可穩(wěn)定保存約1周。注:①溶解時將本品緩慢置于37℃預(yù)熱的生理鹽水,可輕輕攪動使其慢慢溶解,不可旋渦震蕩!②過濾時建議用0.2μm濾膜過濾,不可用0.1μm濾膜??墒褂米⑸淦骶徛^濾,不可用真空過濾。(CDNF)也是一種新型神經(jīng)營養(yǎng)因子,對多巴胺能神經(jīng)元的強大活性,與神經(jīng)膠質(zhì)細胞系衍生的(GDNF)相當。

Recombinant Human PD-1/PDCD1 Protein,mFc Tag,標準物質(zhì)

Angiotensin I Converting Enzyme (ACE-2), also called ACEH (ACE homologue), is a dimeric, zinc-dependent metalloprotease of the ACE family that also includes somatic and germinal ACE. ACE-2 mRNA is found at high levels in heart, testis, and kidney and at lower levels in a wide variety of tissues. ACE-2 is the SARS-CoV and SARS-CoV2 Spike protein receptor in vivo, functions catalytically as a carboxypeptidase to cleave several substrates including angiotensins I and II, and acts as a partner for B0AT1-family amino acid transporters. Through these functions, ACE-2 has been shown to be involved in several diseases including SARS, COVID19, acute lung injury, heart disease, liver and lung fibrosis, inflammatory lung disease, and cardiopulmonary disease . Full length ACE-2 protein includes an extracellular region composed of a single N-terminal peptidase domain and C-terminal collectrin-like domain (CLD), a transmembrane domain, and a short cytoplasmic tail. The N-terminal peptidase region is required for binding to SARS-CoV and SARS-CoV2 spike proteins, while the CLD contains a region that promotes dimerization and association with amino acid transporters.人血清白蛋白(HSA)是脂類等物質(zhì)的轉(zhuǎn)運載體,其主要生理功能是調(diào)節(jié)血漿pH值和維持血漿滲透壓。Recombinant Human B7-H7/HHLA2(His Tag)

FGF-18將破骨細胞和成骨細胞募集到生長板中,促進破骨細胞的形成和功能,促進骨骼血管形成。Recombinant Human PD-1/PDCD1 Protein,mFc Tag

IdeS Protease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活性單位。儲存條件-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。推薦反應(yīng)緩沖是50mM磷酸鈉,150mMNaCl(pH6.6),多數(shù)常見的生物緩沖也適用,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,但是孵育時間或酶量需要根據(jù)實際情況進行優(yōu)化。注意事項1.IdeS不能識別切割小鼠IgG1/IgG2b,大鼠、豬、牛和山羊IgG,對小鼠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。Recombinant Human PD-1/PDCD1 Protein,mFc Tag