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Merck
CN

M8155

[Ala8,13,18]-Magainin II amide

≥97% (HPLC)

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About This Item

Empirical Formula (Hill Notation):
C116H185N31O27S
CAS Number:
117665-48-2
Molecular Weight:
2477.97
UNSPSC Code:
12352200
PubChem Substance ID:
329818050
MDL number:
MFCD00133058

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InChI

1S/C116H185N31O27S/c1-15-65(7)94(145-90(150)58-121)114(172)125-60-91(151)132-76(40-26-30-47-117)103(161)141-84(54-73-36-22-18-23-37-73)111(169)139-82(52-63(3)4)110(168)142-86(56-75-59-124-62-126-75)109(167)129-67(9)97(155)127-68(10)98(156)134-78(42-28-32-49-119)104(162)136-79(43-29-33-50-120)105(163)140-83(53-72-34-20-17-21-35-72)108(166)130-69(11)99(157)133-77(41-27-31-48-118)102(160)128-70(12)101(159)138-85(55-74-38-24-19-25-39-74)113(171)146-93(64(5)6)115(173)131-71(13)100(158)135-80(44-45-92(152)153)107(165)147-95(66(8)16-2)116(174)137-81(46-51-175-14)106(164)143-87(57-89(122)149)112(170)144-88(61-148)96(123)154/h17-25,34-39,59,62-71,76-88,93-95,148H,15-16,26-33,40-58,60-61,117-121H2,1-14H3,(H2,122,149)(H2,123,154)(H,124,126)(H,125,172)(H,127,155)(H,128,160)(H,129,167)(H,130,166)(H,131,173)(H,132,151)(H,133,157)(H,134,156)(H,135,158)(H,136,162)(H,137,174)(H,138,159)(H,139,169)(H,140,163)(H,141,161)(H,142,168)(H,143,164)(H,144,170)(H,145,150)(H,146,171)(H,147,165)(H,152,153)/t65-,66-,67-,68-,69-,70-,71-,76-,77-,78-,79-,80-,81-,82-,83-,84-,85-,86-,87-,88-,93-,94-,95-/m0/s1

SMILES string

CC[C@H](C)[C@H](NC(=O)CN)C(=O)NCC(=O)N[C@@H](CCCCN)C(=O)N[C@@H](Cc1ccccc1)C(=O)N[C@@H](CC(C)C)C(=O)N[C@@H](Cc2c[nH]cn2)C(=O)N[C@@H](C)C(=O)N[C@@H](C)C(=O)N[C@@H](CCCCN)C(=O)N[C@@H](CCCCN)C(=O)N[C@@H](Cc3ccccc3)C(=O)N[C@@H](C)C(=O)N[C@@H](CCCCN)C(=O)N[C@@H](C)C(=O)N[C@@H](Cc4ccccc4)C(=O)N[C@@H](C(C)C)C(=O)N[C@@H](C)C(=O)N[C@@H](CCC(O)=O)C(=O)N[C@@H]([C@@H](C)CC)C(=O)N[C@@H](CCSC)C(=O)N[C@@H](CC(N)=O)C(=O)N[C@@H](CO)C(N)=O

InChI key

KKNMJWFWBZQVFT-JHWRQTFCSA-N

assay

≥97% (HPLC)

storage temp.

−20°C

Biochem/physiol Actions

Magainin analog with greater anti-microbial activity.

Storage Class

11 - Combustible Solids

wgk

WGK 3

flash_point_f

Not applicable

flash_point_c

Not applicable

ppe

Eyeshields, Gloves, type N95 (US)

Regulatory Information

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Certificates of Analysis (COA)

Lot/Batch Number
036K4854
036K4853
055K4787
104K4773
104K4772

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C M Huang et al.
Antimicrobial agents and chemotherapy, 34(9), 1824-1826 (1990-09-01)
The in vitro activities of magainin analogs against Blastocystis hominis, Entamoeba histolytica, and Trypanosoma cruzi were assessed by protozoan morphological integrity and motility. The antiprotozoan activities in descending order were magainin B greater than G greater than H, the same
H C Chen et al.
FEBS letters, 236(2), 462-466 (1988-08-29)
Based on modifications to enhance the alpha-helical structure of the broad spectrum antibiotic magainin 2, a series of analogues have been synthesized which display an increase up to two orders of magnitude in antimicrobial activity and, in the most favorable
L Yan et al.
The Journal of biological chemistry, 273(4), 2059-2066 (1998-01-27)
Two peptide toxins with antimicrobial activity, lycotoxins I and II, were identified from venom of the wolf spider Lycosa carolinensis (Araneae: Lycosidae) by virtue of their abilities to reduce ion and voltage gradients across membranes. Both peptides were purified to

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