Applications | WB, IHC |
Clonality | Polyclonal |
Host | Goat |
Conjugate | Biotin |
Concentration | LYOPH |
Immunogen | Mouse myeloma cell line NS0-derived recombinant human Cystatin E/M Arg29-Met149 Accession # Q15828 |
Specificity | Detects human Cystatin E/M in Western blots. In Western blots, approximately 20% cross-reactivity with recombinant mouse Cystatin E/M is observed, less than 5% cross-reactivity with recombinant human (rh) Cystatin D is observed, and less than 1% cross-reactivity with rhCystatin A, rhCystatin B, rhCystatin C, rhCystatin S, rhCystatin SA, rhCystatin SN, rhFetuin A, and rhFetuin B is observed. |
Source | N/A |
Isotype | IgG |
Clonality | Polyclonal |
Host | Goat |
Gene | CST6 |
Purity Statement | Antigen Affinity-purified |
Innovator's Reward | Test in a species/application not listed above to receive a full credit towards a future purchase. |
Storage | Use a manual defrost freezer and avoid repeated freeze-thaw cycles.
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Buffer | Lyophilized from a 0.2 μm filtered solution in PBS with BSA as a carrier protein. |
Preservative | No Preservative |
Concentration | LYOPH |
Reconstitution Instructions | Reconstitute at 0.2 mg/mL in sterile PBS. |
Cystatin E/M encoded by the CST6 gene is a member of family 2 of the cystatin superfamily (1, 2). It inhibits papain and cathepsin B, two of the cysteine proteases. Its mRNA was found in many tissues by the two groups who did initial cloning (1, 2). However, its protein was found only in skin and sweat glands by a third group (3). In addition to being a cysteine protease inhibitor, cystatin E/M is also a substrate for transglutaminases (3). It is required for viability and for correct formation of cornified layers in the epidermis and hair follicles, as ichq mice, with a null mutation in the cystatin E/M gene, have defects in epidermal cornification and die between 5 and 12 days of age (4). Cystatin E/M expression and function may not be limited to cutaneous epithelia. For example, it is found in rat brain and is induced during neuronal cell differentiation (5).
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Gene Symbol | CST6 |