标签归档：temporin

Temporin A

发表于由

Temporin A;

Temporin A 是从 Rana temporaria 皮肤中分离得到的一种短α螺旋抗菌肽。Temporin A 对广谱革兰氏阳性菌有效。Temporin A 直接与微生物的细胞膜相互作用，在抗菌浓度下对红细胞无毒。Temporin A 还具有抗真菌活性，可对抗酵母样白色念珠菌。

Temporin Aamp;;

Temporin A Chemical Structure

CAS No. : 188713-69-1

规格 是否有货
100 mg ; 询价 ;
250 mg ; 询价 ;
500 mg ; 询价 ;

* Please select Quantity before adding items.

生物活性

Temporin A is a short alpha-helical antimicrobial peptide isolated from the skin of the frog Rana temporaria. Temporin A is effective against a broad spectrum of Gram-positive bacteria. Temporin A interacts directly with the cell membrane of the microorganism and it is non-toxic to erythrocytes at concentrations that are antimicrobial. Temporin A also has antifungal activities (against yeast-like Candida albicans)[1][1][3].

体外研究
(In Vitro)

Temporin A (TA) is a small, basic, highly hydrophobic, antimicrobial peptide amide (FLPLIGRVLSGIL-NH2) found in the skin of the European red frog, Rana temporaria. It has variable antibiotic activities against a broad spectrum of microorganisms, including clinically important Methicillin-sensitive and -resistant Staphylococcus aureus as well as Vancomycin-resistant Enterococcus faecium strains[2].

MCE has not independently confirmed the accuracy of these methods. They are for reference only.
分子量

1396.76

Formula

C68H117N17O14
CAS 号

188713-69-1
Sequence Shortening

FLPLIGRVLSGIL-NH2
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.
参考文献

  • [1]. Mäntylä T, Sirola H, Kansanen E, et al. Effect of temporin A modifications on its cytotoxicity and antimicrobial activity. APMIS. 2005;113(7-8):497-505.

    [2]. Wade D, et al. Antibacterial activities of temporin A analogs. FEBS Lett. 2000;479(1-2):6-9.

    [3]. Kamysz W, et al. Temporin A and its retro-analogues: synthesis, conformational analysis and antimicrobial activities. J Pept Sci. 2006;12(8):533-537.

Temporin L

发表于由

Temporin L;

Temporin L 是一种有效的抗菌肽，对革兰氏阴性细菌 (Gram-negative bacteria) 和酵母菌株 (yeast strains) 具有活性。Temporin L 还具有抗内毒素的特性。

Temporin Lamp;;

Temporin L Chemical Structure

CAS No. : 188713-81-7

规格 是否有货
100 mg ; 询价 ;
250 mg ; 询价 ;
500 mg ; 询价 ;

* Please select Quantity before adding items.

生物活性

Temporin L is a potent antimicrobial peptide and is active against Gram-negative bacteria and yeast strains. Temporin L also has antiendotoxin properties[1][2].

分子量

1639.98

Formula

C83H122N20O15
CAS 号

188713-81-7
Sequence Shortening

FVQWFSKFLGRIL-NH2
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 (lt;0) 1.;;Try to dissolve the peptide in water first.
2.;;If water fails, add NH4OH (lt;50 μL).
3.;;If the peptide still does not dissolve, add DMSO (50-100 μL) to solubilize the peptide.
Positive (gt;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]. Elisabetta Buommino, et al. The Outcomes of Decorated Prolines in the Discovery of Antimicrobial Peptides from Temporin-L. ChemMedChem. 2019 Jul 3;14(13):1283-1290.

    [2]. Andrea Giacometti, et al. Interaction of antimicrobial peptide temporin L with lipopolysaccharide in vitro and in experimental rat models of septic shock caused by gram-negative bacteria. Antimicrob Agents Chemother. 2006 Jul;50(7):2478-86.