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231224s2017 xx |||||o 00| ||eng c |
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|a 10.1021/acs.langmuir.7b00064
|2 doi
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|a pubmed25n0898.xml
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|a (DE-627)NLM269518002
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|a (NLM)28260386
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|a DE-627
|b ger
|c DE-627
|e rakwb
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|a eng
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| 100 |
1 |
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|a Hsieh, Meng-Hsuan
|e verfasserin
|4 aut
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| 245 |
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|a Measurement of Hanatoxin-Induced Membrane Thinning with Lamellar X-ray Diffraction
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|c 2017
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|a Text
|b txt
|2 rdacontent
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|a ƒaComputermedien
|b c
|2 rdamedia
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|a ƒa Online-Ressource
|b cr
|2 rdacarrier
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|a Date Completed 24.09.2018
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|a Date Revised 24.09.2018
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|a published: Print-Electronic
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|a ErratumIn: Langmuir. 2018 Jan 16;34(2):726. doi: 10.1021/acs.langmuir.7b04276. - PMID 29299910
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|a Citation Status MEDLINE
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|a Membrane perturbation induced by cysteine-rich peptides is a crucial biological phenomenon but scarcely investigated, in particular with effective biophysical-chemical methodologies. Hanatoxin (HaTx), a 35-residue polypeptide from spider venom, works as an inhibitor of drk1 (Kv2.1) channels, most likely by interacting with the voltage-sensor. However, how this water-soluble peptide modifies the gating remains poorly understood, as the voltage sensor was proposed to be deeply embedded within the bilayer. To see how HaTx interacts with phospholipid bilayers, we observe the toxin-induced perturbation on POPC/DOPG-membranes through measurements of the change in membrane thickness. Lamellar X-ray diffraction (LXD) was applied on stacked planar bilayers in the near-fully hydrated state. The results provide quantitative evidence for the membrane thinning in a concentration-dependent manner, leading to novel and direct combinatory approaches by discovering how to investigate such a biologically relevant interaction between gating-modifier toxins and phospholipid bilayers
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|a Journal Article
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|a Research Support, Non-U.S. Gov't
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|a Peptides
|2 NLM
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|a Phosphatidylcholines
|2 NLM
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|a Phosphatidylglycerols
|2 NLM
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|a Spider Venoms
|2 NLM
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|a hanatoxin
|2 NLM
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|a 1,2-dioleoyl-sn-glycero-3-phosphoglycerol
|2 NLM
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| 650 |
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|a 66322-31-4
|2 NLM
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| 650 |
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|a 1-palmitoyl-2-oleoylphosphatidylcholine
|2 NLM
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| 650 |
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|a TE895536Y5
|2 NLM
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| 700 |
1 |
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|a Shiau, Yu-Shuan
|e verfasserin
|4 aut
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1 |
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|a Liou, Horng-Huei
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Jeng, U-Ser
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Lee, Ming-Tao
|e verfasserin
|4 aut
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1 |
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|a Lou, Kuo-Long
|e verfasserin
|4 aut
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| 773 |
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|i Enthalten in
|t Langmuir : the ACS journal of surfaces and colloids
|d 1985
|g 33(2017), 11 vom: 21. März, Seite 2885-2889
|w (DE-627)NLM098181009
|x 1520-5827
|7 nnns
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| 773 |
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|g volume:33
|g year:2017
|g number:11
|g day:21
|g month:03
|g pages:2885-2889
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|u http://dx.doi.org/10.1021/acs.langmuir.7b00064
|3 Volltext
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