Formulation: A lyophilized powder
Formal Name: L-phenylalanyl-L-asparaginyl-L-alanyl-L-prolyl-L-phenylalanyl-L-α-aspartyl-L-valylglycyl-L-isoleucyl-L-lysyl-L-leucyl-L-serylglycyl-L-valyl-L-glutaminyl-L-tyrosyl-L-glutaminyl-L-glutaminyl-L-histidyl-L-seryl-L-glutaminyl-L-alanyl-L-leucinamide, trifluoroacetate salt
Purity: ≥95%
Formula Markup: C116H176N32O33 • XCF3COOH
Formula Weight: 2546,8
Shelf life (days): 1460
Notes: Obestatin is a 23 amino acid peptide hormone with a conserved C-terminal glycine residue and amidation site that is formed by cleavage of the ghrelin and obestatin prepropeptide.{13636} It binds to the orphan receptor GPR39 (Kd = 1 nM) and stimulates cAMP production in CHO and HEK293 cells overexpressing human GPR39. Obestatin inhibits contraction of isolated mouse jejunum muscle strips induced by ghrelin (Item Nos. 15072 / 24458). In vivo, obestatin (12.5-1,000 nmol/kg) suppresses food intake in a time- and dose-dependent manner and reduces body weight gain and gastric emptying in mice. Obestatin (0.22 g per animal) also reduces food intake and glucose response without affecting plasma insulin responses in fasted high-fat diet fed mice.{38829}
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