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品牌分类
- Protein Expression|Protein Purification|Protein Tools
- DNA Modifying Enzymes and Cloning Technologies|Next Generation Sequencing Library Preparat
- DNA修饰酶
- DNA Assembly Cloning and Mutagenesis Kits
- DNA修饰酶和克隆技术|NGS样品制备&;目标富集|PCR
- 缓冲液|下一代测序文库制备|NGS样品制备&;目标富集
- Protein Expression|Protein Expression & Purification Technologies|Protein Purification
- 表观遗传学|限制性内切酶
- DNA Modifying Enzymes and Cloning Technologies|Epigenetics
- Nucleic Acid Purification|RNA Reagents
- 表观遗传学
- DNA Modifying Enzymes and Cloning Technologies
- Buffers|DNA Modifying Enzymes and Cloning Technologies|PCR, Polymerases & Amplificatio
- Buffers|Markers & Ladders|RNA Reagents
- Next Generation Sequencing Library Preparation|NGS Sample Prep & Target Enrichment
- Nucleic Acid Purification|Protein Expression & Purification Technologies|RNA Reagents
- Next Generation Sequencing Library Preparation|PCR, Polymerases & Amplification Techno
- Buffers|DNA Modifying Enzymes and Cloning Technologies
- Buffers|Competent Cells
- DNA Modifying Enzymes and Cloning Technologies|Next Generation Sequencing Library Preparat
- Next Generation Sequencing Library Preparation|PCR, Polymerases & Amplification Techno
品牌咨询
联系方式
公司地址
苏州工业园区生物纳米园A4#216
联系电话
4000-520-616 / 18915418616
传真号码
0512-67156496
电子邮箱
info@ebiomall.com
公司网址
https://www.ebiomall.com
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商品描述
Description:
TheSNAP-tagisanoveltoolforproteinresearch,allowingthespecific,covalentattachmentofvirtuallyanymoleculetoaproteinofinterest.TheSNAP-tagisasmallproteinbasedonmammalianO6-alkylguanine-DNA-alkyltransferase(AGT).SNAP-tagsubstratesarederivativesofbenzylpurinesandbenzylchloropyrimidines.Inthelabelingreaction,thesubstitutedbenzylgroupofthesubstrateiscovalentlyattachedtotheSNAP-tag.SNAP-tagPurifiedProteincanbeusedasapositivecontrolforinvitrolabelingwithvariousSNAP-tagfluorescentsubstrates.ThecodingsequenceofSNAP-tagwasclonedintoapTXB1derivedE.coliT7expressionvector.SNAP-tagprotein(MW:19,694)wasexpressedandpurifiedaccordingtotheinstructionsintheIMPACT™kitmanual(NEB#E6901).ThepurifiedSNAP-tagproteinwasdialyzedinto1Xphosphatebufferedsaline(PBS)solutioncontaining1mMDTTat1 mg/ml(50μM)andstoredat-80°C.
MassspectrometryanalysisindicatestheSNAP-tagpurifiedproteinhastwospecieswithmolecularweightsof19,694and19,829(withaC-terminalDTTmoietyattached).
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Fluorescentin-geldetectionofSNAP-taglabeledwithSNAP-VistaGreen.VariousamountsofSNAP-tagwereincubatedwithSNAP-VistaGreenat37°Cfor30min.Theproteinsampleswereelectrophoresedona10–20%Tris-glycinepolyacrylamidegelunderdenaturingconditions.ThegelwasimagedwithTyphoon9400at300VPMTwiththe488/526nmexcitation/emissionfilterset.Lane1,6.25ng;lane2,12.5ng;lane3,25ng;lane4,50ng;lane5,100ng.