Recombinant Carassiusauratus Leptin Protein (His Tag)
SKU: PKSQ050091-50
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Recombinant Carassiusauratus Leptin Protein (His Tag)
| SKU # | PKSQ050091 |
| Expression Host | P.Pichia |
Description
| Synonyms | LEP, Leptin, OB, OBS, Obese Protein, Obesity Factor |
| Species | Carassius auratus |
| Expression Host | P.Pichia |
| Sequence | Pro22-Cys171 |
| Accession | B8YI02 |
| Calculated Molecular Weight | 18.3 kDa |
| Observed Molecular Weight | 17 kDa |
| Tag | N-His |
| Bio-activity | Not validated for activity |
Properties
| Purity | > 95 % as determined by reducing SDS-PAGE. |
| Endotoxin | < 1.0 EU per μg of the protein as determined by the LAL method. |
| Storage | Generally, lyophilized proteins are stable for up to 12 months when stored at -20 to -80℃. Reconstituted protein solution can be stored at 4-8℃ for 2-7 days. Aliquots of reconstituted samples are stable at < -20℃ for 3 months. |
| Shipping | This product is provided as lyophilized powder which is shipped with ice packs. |
| Formulation | Lyophilized from a 0.2 μm filtered solution of 20mM Citrate, 8% Trehalose, 4% Mannitol, 0.02% Tween 80 (w/v), pH 5.5. Normally 5% - 8% trehalose, mannitol and 0.01% Tween 80 are added as protectants before lyophilization. Please refer to the specific buffer information in the printed manual. |
| Reconstitution | Please refer to the printed manual for detailed information. |
Background
Leptin is a hormone secreted from white adipocytes and plays important role in the regulation of food intake and energy balance. Leptin functions via signaling pathways involving OB-R in hypothalamus. In mammals, leptin is mainly produced by the adipose tissue and encodes body fat reserves, acting as a short-term satiety signal. In fish, the presence of a leptin-like peptide was first evidenced by immuno-cross-reactivity, and its existence was certainly demonstrated after the finding by synteny of a leptin sequence in the pufferfish.