编号:YM28050 规格:2×0.25毫升 等级:科研试剂 英文名称:Prestained Protein Molecular weight Mark 分子量范围:19000-119000 级别:BR 规格:2×0.25ml 产品描述:A mixture of purified protein covalently coupled to a blue chromophore.The protein concentrations are optimized to yield 6 blue bands afer SDS-PAGE electrophoresis,the marker is supplied pre-diluted with gel loading buffer for direct loading onto an SDS-PAGE gel. Sufficient for 100 mini gel applications(5u/well) or 50 large gel applications(10ul/well) 在电泳凝胶上呈现6条带:19kDa,24 kDa,31kDa ,46kDa ,79kDa ,119 kDa Storage Buffer:62.5mM tris-HC1(pH7.5 at 25℃),1mM EDTA,2% SDS,10Mm DTT,1.5mM NaN3 and 33% glycerol. 外观:液体 用途:生化研究。用来测定蛋白质的分子量 保存:-20℃
·T7 RNA聚合酶 CAS:9014-24-8 英文名称:Sodium pyrosulfate 等级:BR,20u/ul 规格:500u|5000u|25000u 英文名称:T3 RNA Polymerase 级别:精制级 活力:20u/ul 活力定义:One unit of enzyme incorporates 1 nanomole of AMP into a polynucleotide fraction(adsorbed on DE-81) in 60 minutes at 37℃ 质量控制:Tested for the absence of endo-,exodeoxyribonucleases,ribonucleases and for synthesis of strand-specific RNA 产品描述:Purified from E.coli strains carrying the plasmids encoding the respective RNA polymerases.All those viral RNA polymerases have a stringent specificity for their own promoters and catalyze the synthesis of RNA from ribonucleoside triphosphates in the presence of a DNA template 外观:液体 用途:生化研究 保存:-20℃