Human RNase A / Ribonuclease A

分子别名（Synonym）:RAC1,RIB1,RNS1 种属（Species）：Human 表达系统（Expressed Host）：HEK293 Cells 制剂（Buffer）：Lyophilized from sterile PBS, pH 7.4 分子量（Molecule Mass）：The recombinant human RNASE1 comprises 139 amino acids and has a predicted molecular mass of 16 kDa. The apparent molecular mass of the protein is approximately 29 ,26 and 22 kDa in SDS-PAGE under reducing conditions 内毒素（Endotoxin）：＜1.0 EU per μg by the LAL method. 生物活性(Activity)：Measured by its ability to hydrolyze yeast RNA(Sigma,Catalog # R9001). One unit of the enzyme causes an increase in absorbance of 1.0 at 260 nm in 15 min when yeast RNA is hydrolyzed at 37℃ and pH 7.0. The specific activity is >2.5×106 unit/mg. 表达区间（Protein Construction）：A DNA sequence encoding the human RNASE1 (P07998) (Ser2-Thr156) was expressed with a polyhistidine tag at the C-terminus. 存储条件（Storage）： For long term storage, the product should be stored at lyophilized state at -20℃ or lower.Please avoid repeated freeze-thaw cycles. No activity loss is observed after storage at:4-8℃ for 12 months in lyophilized state;-70℃ for 3 months under sterile conditions after reconstitution. 运输条件： In general, recombinant proteins are provided as lyophilized powder which are shipped at ambient temperature.Bulk packages of recombinant proteins are provided as frozen liquid. They are shipped out with blue ice unless customers require otherwise.