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| tag | His |
| host species | Human |
| accession | P01040 |
| synonym | CSTA Cystatin-A; Cystatin-AS; Stefin-A; CSTA; STF1; STFA |
| background | Human Cystatin A (CSTA) is a member of family 1 of the cystatin superfamily, which is characterized by lacking of disulphide bonds an carbohydrates. Cystatin A is an intracellular inhibitor regulating the activities of cysteine proteases of the papain family such as Cathepsins B, H and L. Cystatin A is also implicated in a number of disease states. Due to altered proteolytic state in cancer progression, Cystatin A may play a role in the proteolytic pathways. |
| description | Recombinant Human Cystatin A is expressed by our E.coli expression system and the target gene encoding Ile2-Phe98 is expressed with a His tag at the N-terminus. |
| source | E.coli |
| AA sequence | Ile2-Phe98 |
| purity | >95% as determined by reducing SDS-PAGE. |
| endotoxin | <0.1 ng/µg (1 EU/µg) as determined by LAL test. |
| formulation | Recombinant Human CSTA Protein was lyophilized from a 0.2 μm filtered solution of 20mM TrisHCl, 100mM NaCl, pH 8.0. |
| reconstitution | Dissolve the lyophilized protein in distilled water. |
| usage | For Research Use Only |
| storage | Human CSTA protein should be stored at < -20°C, though stable at room temperature for 3 weeks.Reconstituted protein solution can be stored at 4-7°C for 2-7 days.Aliquots of reconstituted samples are stable at < -20°C for 3 months. |
| Cat No. | Product Name | Source | Detail | Inquiry |
| BL-3015PS | Recombinant Human CSTA Protein, Active | E.coli |  |
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| BL-3016PS | Recombinant Human CSTA Protein (GST Tag) | E.coli | |
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| BL-3017PS | Recombinant Human CSTA Protein (His Tag) | E.coli | |
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