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b-Casomorphin (1-3)

目录号 GP10125

Milk protein casein analog, have an opioid effect

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Sample solution is provided at 25 µL, 10mM.


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b-Casomorphin (1-3), (C23H27N3O5), a tri-peptide with the sequence H2N-Tyr-Pro-Phe-OH, MW= 425.48. Casomorphins are peptides derived from the digestion of milk protein casein. The distinguishing characteristic of casomorphins is that they have an opioid effect. The most important casomorphins from bovine milk are those released from the digestion of β-casein into β-casomorphins, sometimes denoted as BCM followed by a numeral indicating the number of amino acids in the sequence. Each variant fits into one of two main categories known as A1 and A2. In cattle, A1-type β-caseins have the amino acid histidine at position 67, whereas the A2-type β-caseins have the amino acid proline at position 67. Laboratory experiments show that the casomorphin known as BCM7 is released only from the A1-type β-caseins[1]. The potential release of BCM7 is about 0.4 grams per litre of milk (assuming as above that there are 12g of β-casein per litre).Human digestion may break down casomorphins into inactive dipeptides by the enzyme dipeptidyl peptidase-4[2]. This enzyme is found in the digestive tract and in some endocrine cells. Casein has been documented to break down in the stomach to produce the peptide casomorphin (above stated that "Human digestion may break down casomorphins into inactive dipeptides by the enzyme dipeptidyl peptidase-4"), an opioid that acts as a histamine releaser[3].

1. Jinsmaa Y, Yoshikawa M, 1999; "Enzymatic release of neocasomorphin and beta-casomorphinfrom bovine beta-casein"; Peptides 20:957-962
2. Converse PJ, Hamosh A, McKusickVA(2005). DIPEPTIDYL PEPTIDASE IV; DPP4. Online Mendelian Inheritance inMan.
3. Kurek M, Przybilla B, Hermann K, Ring J (1992). "A naturally occurring opioid peptide from cow's milk, beta-casomorphine-7, is a direct histamine releaser in man". Int Arch Allergy Immunol 97 (2): 115–120.g.

Chemical Properties

Cas No. 72122-59-9 SDF
别名 H2N-Tyr-Pro-Phe-OH
化学名 2-[[1-[2-amino-3-(4-hydroxyphenyl)propanoyl]pyrrolidine-2-carbonyl]amino]-3-phenylpropanoic acid
Canonical SMILES C1CC(N(C1)C(=O)C(CC2=CC=C(C=C2)O)N)C(=O)NC(CC3=CC=CC=C3)C(=O)O
分子式 C23H27N3O5 分子量 425.48
溶解度 ≥ 42.5mg/mL in DMSO 储存条件 Store at -20°C
General tips For obtaining a higher solubility , please warm the tube at 37 ℃ and shake it in the ultrasonic bath for a while.
Shipping Condition Evaluation sample solution : ship with blue ice
All other available size: ship with RT , or blue ice upon request

动物体内配方计算器 (澄清溶液)

给药剂量 mg/kg 动物平均体重 g 每只动物给药体积 ul 动物数量
% DMSO % % Tween 80 % ddH2O
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*在配置溶液时,请务必参考产品标签上、MSDS / COA(可在Glpbio的产品页面获得)批次特异的分子量使用本工具。