BAD (103-127) (human)

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BAD (103-127) (human) 

BAD (103-127) (human)，是 25-mer Bad 多肽，来自BAD 的BH3 结构域，可拮抗Bcl-xL 的作用。BAD (103-127) (human) 对 Bcl-xL 的亲和力是 16-mer 多肽的 800 倍。

BAD (103-127) (human)

BAD (103-127) (human) Chemical Structure

CAS No. : 331762-68-6

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生物活性

BAD (103-127) (human), the 25-mer Bad peptide, is derived from the BH3 domain of BAD, can antagonize the function of Bcl-xL. BAD (103-127) (human) is reported to have almost 800-fold higher affinity for Bcl-XL than the 16-mer peptide[1].

分子量

3103.47

Formula

C137H212N42O39S
CAS 号

331762-68-6
Sequence Shortening

NLWAAQRYGRELRRMSDEFVDSFKK
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]. Dilraj Lama, et al. Molecular dynamics simulations of pro-apoptotic BH3 peptide helices in aqueous medium: relationship between helix stability and their binding affinities to the anti-apoptotic protein Bcl-X(L). J Comput Aided Mol Des. 2011 May;25(5):413-26.

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