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Merck
CN
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文件

安全信息

M7152

Sigma-Aldrich

Magainin I

≥97% (HPLC)

别名:

GIGKFLHSAGKFGKAFVGEIMKS

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About This Item

经验公式（希尔记法）:
C112H177N29O28S
CAS号:
108433-99-4
分子量:
2409.85
MDL编号:
MFCD00133521
UNSPSC代码:
12352202
PubChem化学物质编号:
329818042
NACRES:
NA.32

质量水平

200

检测方案

≥97% (HPLC)

抗生素抗菌谱

fungi
viruses

作用机制

cell membrane | interferes

储存温度

−20°C

SMILES字符串

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

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

InChI key

OFIZOVDANLLTQD-ZVNXOKPXSA-N

相关类别

Amino Acid Sequence

Gly-Ile-Gly-Lys-Phe-Leu-His-Ser-Ala-Gly-Lys-Phe-Gly-Lys-Ala-Phe-Val-Gly-Glu-Ile-Met-Lys-Ser

一般描述

Chemical structure: peptide

应用

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

生化/生理作用

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.

其他说明

Lyophilized from 0.1% TFA in H2O

WGK

WGK 3

闪点(°F)

Not applicable

闪点(°C)

Not applicable

个人防护装备

Eyeshields, Gloves, type N95 (US)

法规信息

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Temperature-responsive polymer brushes switching from bactericidal to cell-repellent.
Xavier Laloyaux et al.
Advanced materials (Deerfield Beach, Fla.), 22(44), 5024-5028 (2010-08-25)
Jéssica M Nascimento et al.
Chemistry and physics of lipids, 165(5), 537-544 (2012-05-29)
Most antimicrobial peptides (AMPs) have shown clear activity related to the disruption of lipid bilayers. In order to improve knowledge of this subject, the interaction of Magainin I (MagI) with phospholipid layers (PLs), uncoated or coated with synperonic (Synp), was
A M Speranza et al.
Plant biology (Stuttgart, Germany), 9(6), 800-806 (2007-06-15)
In vitro toxicity of the antimicrobial peptides (AMPs) magainin 1 and 2 to a higher plant organism, i.e., the bicellular male gametophyte of Actinidia Deliciosa (kiwifruit), is investigated. Heavy damage to the plasma membrane, the primary cellular target of the
F M Marassi et al.
Current opinion in structural biology, 8(5), 640-648 (1998-11-18)
The three-dimensional structures of membrane proteins are essential for understanding their functions, interactions and architectures. Their requirement for lipids has hampered structure determination by conventional approaches. With optimized samples, it is possible to apply solution NMR methods to small membrane
Targeting methicillin-resistant Staphylococcus aureus with short salt-resistant synthetic peptides
Mohamed MF, et al.
Antimicrobial Agents and Chemotherapy, AAC-02578 (2014)
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