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Merck
CN

M7152

Magainin I

≥97% (HPLC)

别名:

GIGKFLHSAGKFGKAFVGEIMKS

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关于此项目

经验公式（希尔记法）:
C112H177N29O28S
化学文摘社编号:
108433-99-4
分子量:
2409.85
NACRES:
NA.32
PubChem Substance ID:
329818042
UNSPSC Code:
12352202
MDL number:
MFCD00133521

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InChI

1S/C112H177N29O28S/c1-12-65(7)93(139-86(144)54-117)110(166)122-59-89(147)128-75(39-25-29-46-115)100(156)135-81(51-70-33-19-15-20-34-70)105(161)133-79(49-63(3)4)104(160)136-83(53-72-55-118-62-123-72)106(162)137-84(60-142)108(164)124-67(9)95(151)119-56-87(145)127-74(38-24-28-45-114)99(155)134-80(50-69-31-17-14-18-32-69)97(153)120-57-88(146)126-73(37-23-27-44-113)98(154)125-68(10)96(152)132-82(52-71-35-21-16-22-36-71)107(163)140-92(64(5)6)109(165)121-58-90(148)129-77(41-42-91(149)150)103(159)141-94(66(8)13-2)111(167)131-78(43-48-170-11)102(158)130-76(40-26-30-47-116)101(157)138-85(61-143)112(168)169/h14-22,31-36,55,62-68,73-85,92-94,142-143H,12-13,23-30,37-54,56-61,113-117H2,1-11H3,(H,118,123)(H,119,151)(H,120,153)(H,121,165)(H,122,166)(H,124,164)(H,125,154)(H,126,146)(H,127,145)(H,128,147)(H,129,148)(H,130,158)(H,131,167)(H,132,152)(H,133,161)(H,134,155)(H,135,156)(H,136,160)(H,137,162)(H,138,157)(H,139,144)(H,140,163)(H,141,159)(H,149,150)(H,168,169)/t65-,66-,67-,68-,73-,74-,75-,76-,77-,78-,79-,80-,81-,82-,83-,84-,85-,92-,93-,94-/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](CO)C(=O)N[C@@H](C)C(=O)NCC(=O)N[C@@H](CCCCN)C(=O)N[C@@H](Cc3ccccc3)C(=O)NCC(=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)NCC(=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](CCCCN)C(=O)N[C@@H](CO)C(O)=O

InChI key

OFIZOVDANLLTQD-ZVNXOKPXSA-N

assay

≥97% (HPLC)

antibiotic activity spectrum

fungi, viruses

mode of action

cell membrane | interferes

storage temp.

−20°C

Quality Level

200

General description

Chemical structure: peptide

Application

Initial sites of magainin I binding to E. coli have been shown to be lipopolysaccharide.
Magainin I has been used in DNA binding assay. It has also been used to study its antimicrobial susceptibility.

Biochem/physiol Actions

Antibiotic peptide.
Antibiotic peptide. Thought to preferentially bind to anionic phospholipids abundant in bacterial membranes with the formation of dynamic peptide-lipid supramolecular pore and cell permeabilization, magainins are positively charged and amphiphatic. Binding to artificial neutral membranes has also been demonstrated.
Magainin is a 23-residue peptide, and is naturally found on the skin of African clawed frog. It has a broad spectrum specificity towards many gram-negative bacteria. It has the ability to make transmembrane pores on the bacterial cell membrane, which leads to cell lysis. It is considered nontoxic to mammalian cells.

Other Notes

Lyophilized from 0.1% TFA in H2O

存储类别

11 - Combustible Solids

wgk

WGK 3

flash_point_f

Not applicable

flash_point_c

Not applicable

ppe

Eyeshields, Gloves, type N95 (US)

法规信息

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分析证书(COA)

Lot/Batch Number
0000135736
058M4863V
058M4862V
030M4829
079K4857

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Vincent Humblot et al.
Biomaterials, 30(21), 3503-3512 (2009-04-07)
An antibacterial peptide, Magainin I, was covalently bound to a mixed 11-mercaptoundecanoïc acid (MUA) and 6-mercaptohexanol (C6OH) (ratio 1:3) Self-Assembled Monolayer (SAM) on gold surfaces. Each step of the surface functionalization was characterized by Polarization Modulation Reflection Absorption InfraRed Spectroscopy
L H Vorland et al.
Scandinavian journal of infectious diseases, 31(5), 467-473 (1999-11-27)
We examined the initial binding sites of magainin 1, cecropin P1 and lactoferricin B in Staphylococcus aureus and Escherichia coli. All 3 peptides were active against E. coli, whereas only lactoferricin B exerted any activity against S. aureus. Soluble lipoteichoic
Biochemical enhancement of transdermal delivery with magainin peptide: modification of electrostatic interactions by changing pH
Kim YC, et al.
International Journal of Pharmaceutics, 362(1-2), 20-28 (2008)
Sam Maher et al.
Biochemical pharmacology, 71(9), 1289-1298 (2006-03-15)
Antimicrobial peptides (AMPs) are a diverse group of proteinaceous compounds ranging in size, complexity and antimicrobial spectrum. The activity of AMPs against gut pathogens warrants the study of the interaction of AMPs with the mammalian gastrointestinal tract. In particular, the
In-Vitro Susceptibility of Different Morphological Forms of Borrelia burgdorferi to Common Lyme Antibiotics in Combination with Antimicrobial Peptides
Eckard A and Wood S
Journal of microbiology & experimentation., 3(1-2) (2016)
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