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231224s2013 xx |||||o 00| ||eng c |
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|a 10.1021/la400059h
|2 doi
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|a pubmed24n0755.xml
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|a (NLM)23590586
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|a DE-627
|b ger
|c DE-627
|e rakwb
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|a eng
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|a Sakai, Shunsuke
|e verfasserin
|4 aut
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| 245 |
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|a Molecular assembly of zinc chlorophyll derivatives by using recombinant light-harvesting polypeptides with His-tag and immobilization on a gold electrode
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|c 2013
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|a Text
|b txt
|2 rdacontent
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|a ƒaComputermedien
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|2 rdamedia
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|a ƒa Online-Ressource
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|2 rdacarrier
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|a Date Completed 11.11.2013
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|a Date Revised 21.11.2013
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|a published: Print-Electronic
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|a Citation Status MEDLINE
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|a LH1-α and -β polypeptides, which make up the light-harvesting 1 (LH1) complex of purple photosynthetic bacteria, along with bacteriochlorophylls, have unique binding properties even for various porphyrin analogs. Herein, we used the porphyrin analogs, Zn-Chlorin and the Zn-Chlorin dimer, and examined their binding behaviors to the LH1-α variant, which has a His-tag at the C-terminus (MBP-rubα-YH). Zn-Chlorin and the Zn-Chlorin dimer could bind to MBP-rubα-YH and form a subunit-type assembly, similar to that from the native LH1 complex. These complexes could be immobilized onto Ni-nitrilotriacetic acid-modified Au electrodes, and the cathodic photocurrent was successfully observed by photoirradiation. Since Zn-Chlorins in this complex are too far for direct electron transfer from the electrode, a contribution of polypeptide backbone for efficient electron transfer was implied. These findings not only show interesting properties of LH1-α polypeptides but also suggest a clue to construct artificial photosynthesis systems using these peptide materials
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|a Journal Article
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|a Research Support, Non-U.S. Gov't
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|a Immobilized Proteins
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|a Light-Harvesting Protein Complexes
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|a Peptides
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|a Recombinant Proteins
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|a Chlorophyll
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|a 1406-65-1
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|a Histidine
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|a 4QD397987E
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|a Gold
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|a 7440-57-5
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|a Zinc
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|a J41CSQ7QDS
|2 NLM
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|a Noji, Tomoyasu
|e verfasserin
|4 aut
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|a Kondo, Masaharu
|e verfasserin
|4 aut
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| 700 |
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|a Mizuno, Toshihisa
|e verfasserin
|4 aut
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| 700 |
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|a Dewa, Takehisa
|e verfasserin
|4 aut
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|a Ochiai, Tsuyoshi
|e verfasserin
|4 aut
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|a Yamakawa, Hisanori
|e verfasserin
|4 aut
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| 700 |
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|a Itoh, Shigeru
|e verfasserin
|4 aut
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|a Hashimoto, Hideki
|e verfasserin
|4 aut
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| 700 |
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|a Nango, Mamoru
|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 1992
|g 29(2013), 17 vom: 30. Apr., Seite 5104-9
|w (DE-627)NLM098181009
|x 1520-5827
|7 nnns
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| 773 |
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|g volume:29
|g year:2013
|g number:17
|g day:30
|g month:04
|g pages:5104-9
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|u http://dx.doi.org/10.1021/la400059h
|3 Volltext
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