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Product details
名称
蛋白内切酶Lys-C
别名
重组赖氨酰内切酶Lys-C | 重组胞内蛋白酶 Lys-C | 重组内切蛋白酶Lys-C
英文别名
Achromopeptidase
货号
E382042-1mg
包装规格
1mg
级别
重组
浓度
≥3.0AU/mg protein
产品介绍
赖氨酰内肽酶是一种水解非末端氨基酸的赖氨酰肽键的酶。它是高度特异性的,并且优先裂解Lys-I-Xaa键,包括Lys-I-Pro。在研究中用作酶消化的标准实验室试剂。这对于研究蛋白质的一级结构很有用。 本品为大肠杆菌重组表达赖氨酰内切酶,与天然无色杆菌蛋白酶有相同的酶活性。本品为重组表达产物,不含有其他杂蛋白酶(如 Lys-N、Arg-C等丝氨酸类蛋白酶),特异性针对赖氨酰肽键酶切,包括含DK、PK序列的完全特异酶切。 使用方法: (1)Lys-C与目的蛋白质量比=1:1000-1:20000,适宜pH为7.0-9.5,反应温度30-37℃,反应时间2-24小时。 (2)用户可根据研究目的,优化最适温度,反应时间和酶的比例。 (3)酶切体系中应避免 TLCK、盐酸胍等酶抑制剂。 (4)反应体系中含0.2%SDS、1.0%Triton、6mol/L尿素、0.5mol/L NaCl、20%乙腈对酶切反应均无影响。 产品特性: (1)产品性状:本品为白色或类白色冻干粉末,装量为0.5mg,1.0mg/支(按酶蛋白含量计)。 (2)酶含量:标示量的±10%(Lowry法,参照2015版中国药典)。 (3)电泳鉴定(SDS-PAGE):为单一主条带,纯度不低于90%。 (4)电泳鉴定相对分子量为31±3.1 kDa。 (5)RP-HPLC纯度鉴定:面积归一法主峰纯度不低于90%。 (6)酶比活性:不低于3.0AU/mg。 Lysyl endopeptidase is an enzyme that hydrolyzes lysyl peptide bonds of nonterminal amino acids. It is highly specific and preferentially cleaves Lys-I-Xaa bonds, including Lys-I-Pro. Used in research as a standard laboratory reagent for enzyme digestion. This is useful to study the primary structure of proteins. Endoproteinase Lys-Cis a highly specific endopeptidase that hydrolyzes lysyl bonds
生物活性
≥3.0AU/mg protein
来源
重组表达
预测分子量
31±3.1 kDa
表达系统
E. coli Accession #: P15636 | E. coli
种属
水解无色杆菌(achromobacter lyticus)
无动物源
Yes
无载体
Yes
Safety
「No Dangerous Attributes」
Related
「No upstream and downstream information yet」
Technical Documents
「No technical documents」
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white Lys-C 1mg

item number:E382042-1mg
Product model:1mg
level: reorganization
Lead Time:30days
sold 656 Items
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