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Protein Tag: N-Trx
Uniprot: Q99P87
Accession: Q99P87
Background: Resistin, also known as adipocyte-specific secretory factor (ADSF) and found in inflammatory zone 3 (FIZZ3), is a member of a family of secreted cysteine-rich peptide hormones that also includes Resistin-like molecules RELM alpha, beta, and gamma. These molecules play important roles in inflammation, glucose metabolism, and insulin resistance. Mature Mouse Resistin is a 12 kDa protein with an N-terminal alpha-helical domain and a C-terminal beta-sandwich domain that is stabilized by multiple intrachain disulfide bonds. Resistin circulates as noncovalent trimers and disulfide-linked hexamers, with an the trimeric form showing greater bioactivity. Resistin can also form multimers with an RELM beta. Mature Mouse Resistin shares 56% and 72% amino acid (aa) sequence identity with an Human and rat Resistin, respectively. It shares 34%-42% aa sequence identity with an Mouse RELM alpha, beta, and gamma. In rodents, Resistin is expressed by adipocytes and in the pituitary and arcuate nucleus of the hypothalamus. It is upregulated during adipogenesis, in obesity, and by insulin or a high carbohydrate diet. This is in contrast to Human Resistin which is produced by macrophages and monocytes but not by adipocytes. Mouse Resistin induces proinflammatory molecule production in adipocytes and promotes hepatic gluconeogenesis and insulin resistance. Human Resistin promotes lipolysis by Human and Mouse adipocytes, but Mouse Resistin does not promote lipolysis by adipocytes of either species. Both Mouse and Human Resistin promote vascular endothelial cell sprouting in vitro and inflammatory reactions in vivo.
Bio Acitivity: Not validated for activity
Sequence: Ser21-Ser114
Purity: > 90% as determined by reducing SDS-PAGE.
Formulation: Lyophilized from a 0.2 μm filtered solution in PBS with 5% Trehalose and 5% Mannitol.
Reconstitution: It is recommended that sterile water be added to the vial to prepare a stock solution of 0.5 mg/mL. Concentration is measured by UV-Vis.
Endotoxin: < 10 EU/mg of the protein as determined by the LAL method.
Calculated MW: 30.2 kDa
Observed MW: 33 kDa
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