OB3

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上海金畔生物科技有限公司为生命科学和医药研发人员提供生物活性分子抑制剂、激动剂、特异性抑制剂、化合物库、重组蛋白，专注于信号通路和疾病研究领域。

OB3 

OB3 是 Leptin 的衍生物，在减少小鼠模型中的肥胖和糖尿病方面比 Leptin 更有效。OB3 可以减少肝癌细胞中瘦素相关的炎症和增殖。

OB3

OB3 Chemical Structure

CAS No. : 259535-56-3

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生物活性

OB3, a derivative of Leptin, show more effective than leptin in reducing obesity and diabetes in mouse models. OB3 can reduce Leptin-related inflammation and proliferation in hepatocellular carcinoma cells[1].

分子量

734.82

Formula

C29H50N8O12S
CAS 号

259535-56-3
运输条件

Room temperature in continental US; may vary elsewhere.
储存方式

Please store the product under the recommended conditions in the Certificate of Analysis.
Solvent & Solubility
In Vitro: 

H2O

Peptide Solubility and Storage Guidelines:

1.  Calculate the length of the peptide.

2.  Calculate the overall charge of the entire peptide according to the following table:

  Contents Assign value
Acidic amino acid Asp (D), Glu (E), and the C-terminal -COOH. -1
Basic amino acid Arg (R), Lys (K), His (H), and the N-terminal -NH2 +1
Neutral amino acid Gly (G), Ala (A), Leu (L), Ile (I), Val (V), Cys (C), Met (M), Thr (T), Ser (S), Phe (F), Tyr (Y), Trp (W), Pro (P), Asn (N), Gln (Q) 0

3.  Recommended solution:

Overall charge of peptide Details
Negative (<0) 1.  Try to dissolve the peptide in water first.
2.  If water fails, add NH4OH (<50 μL).
3.  If the peptide still does not dissolve, add DMSO (50-100 μL) to solubilize the peptide.
Positive (>0) 1.  Try to dissolve the peptide in water first.
2.  If water fails, try dissolving the peptide in a 10%-30% acetic acid solution.
3.  If the peptide still does not dissolve, try dissolving the peptide in a small amount of DMSO.
Zero (=0) 1.  Try to dissolve the peptide in organic solvent (acetonitrile, methanol, etc.) first.
2.  For very hydrophobic peptides, try dissolving the peptide in a small amount of DMSO, and then dilute the solution with water to the desired concentration.
参考文献

  • [1]. Ho Y, et, al. Leptin-derived peptides block leptin-induced proliferation by reducing expression of pro-inflammatory genes in hepatocellular carcinoma cells. Food Chem Toxicol. 2019 Nov;133:110808.

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