Product Name | β - Casomorphin (1 - 7), bovineYPFPGPI |
Size | 1 mg |
Catalog # | AS-61124 |
US$ | $73 |
Purity | % Peak Area By HPLC ≥ 95% |
β-Casomorphin-7 is a milk opioid peptide derived from fragment 60-66 of bovine beta-Casein. It strongly stimulates mucin secretion in the rat jejunum through a nervous pathway and mu-opioid receptor activation. The presence of the Tyr-Pro aromatic sequence makes the peptide selective for the mu receptor while the high contents of proline residues in the sequence makes the peptide resistant to degradation by gastrointestinal enzymes. | |
Detailed Information | Material Safety Data Sheets (MSDS) |
Storage | -20°C |
References | Brantl, V. et al. Hoppe Seylers Z Physiol Chem 360, 1211 (1979) Zoghbi, S. et al. Am J Physiol - Gastrointestinal Liver Physiol 290, G1105, doi: 10.1152/ajpgi.00455.2005 Trompette, A. et al. Am J Nutrition 133, 3499 (2003) |
Molecular Weight | 789.9 |
YPFPGPI | |
Sequence(Three-Letter Code) | H - Tyr - Pro - Phe - Pro - Gly - Pro - Ile - OH |
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蛋白质上样缓冲液中的SDS和DTT分别可以屏蔽蛋白质电荷以及破坏二硫键,避免形成多聚体。
DNA上样缓冲液主要是起沉降和指示作用,不可用于蛋白,否则会影响蛋白相对分子量定量。
同样蛋白上样缓冲液中的tris-HCl浓度过高也会使溴酚蓝条带扭曲。
配制分三步: 1) 1 M Tris-HCl (pH 8.0) 50 ml的配制:称取Tris碱6.06 g,加超纯水40 ml溶解,滴加浓HCl约2.1 ml调pH至8.0,定容至50 ml。
蛋白质上样缓冲液中的SDS和DTT分别可以屏蔽蛋白质电荷以及破坏二硫键,避免形成多聚体。
DNA上样缓冲液主要是起沉降和指示作用,不可用于蛋白,否则会影响蛋白相对分子量定量。
同样蛋白上样缓冲液中的tris-HCl浓度过高也会使溴酚蓝条带扭曲。
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