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物种
Human分子别名
Tyrosine-protein phosphatase non-receptor type 1, Protein-tyrosine phosphatase 1B (PTP-1B), PTPN1Accession
P18031表达序列
Protein sequence (P18031, Met1-Asp298, with C-His tag) MEMEKEFEQIDKSGSWAAIYQDIRHEASDFPCRVAKLPKNKNRNRYRDVSPFDHSRIKLHQEDNDYINASLIKMEEAQRSYILTQGPLPNTCGHFWEMVWEQKSRGVVMLNRVMEKGSLKCAQYWPQKEEKEMIFEDTNLKLTLISEDIKSYYTVRQLELENLTTQETREILHFHYTTWPDFGVPESPASFLNFLFKVRESGSLSPEHGPVVVHCSAGIGRSGTFCLADTCLLLMDKRKDPSSVDIKKVLLEMRKFRMGLIQTADQLRFSYLAVIEGAKFIMGDSSVQDQWKELSHED
表达宿主
E.coli分子量
Predicted MW: 36.4 kDa Observed MW: 35 kDa纯度
>95% by SDS-PAGE内毒素含量
<0.1EU/μg标记
Unconjugated标签
with C-His tag性状
Lyophilized Powder缓冲体系
Lyophilized from a 0.2 μm filtered solution of 0.2M PBS, pH7.4 with 3% trehalose.
溶解方法
Reconstitute no more than 1 mg/mL according to the size in deionized water after rapid centrifugation.储存条件
12 months from date of receipt, -20 to -70 °C as supplied.
6 months, -20 to -70 °C under sterile conditions after reconstitution.
1 week, 2 to 8 °C under sterile conditions after reconstitution.
Please avoid repeated freeze-thaw cycles.
Protein - tyrosine phosphatase 1B (PTP1B) is a crucial enzyme belonging to the protein tyrosine phosphatase family. PTP1B is widely distributed in various tissues such as adipose, liver, muscle, and epithelial cells, mainly located in the endoplasmic reticulum of the cytoplasm. It specifically hydrolyzes the phosphate group on the phosphorylated tyrosine residue, maintaining the balance of tyrosine protein phosphorylation with protein tyrosine kinases and participating in cell signal transduction. PTP1B negatively regulates the insulin and leptin signaling pathways, and its over - expression is closely related to the occurrence of type 2 diabetes, obesity, and other diseases.
电泳
2μg(R: reducing conditions)







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