A specific binding site for neoxanthin in the monomeric antenna proteins CP26 and CP29 of Photosystem II (Articolo in rivista)

Type
Label
  • A specific binding site for neoxanthin in the monomeric antenna proteins CP26 and CP29 of Photosystem II (Articolo in rivista) (literal)
Anno
  • 2007-01-01T00:00:00+01:00 (literal)
Alternative label
  • Caffarri S., Passarini F., Bassi R. and Croce R. (2007)
    A specific binding site for neoxanthin in the monomeric antenna proteins CP26 and CP29 of Photosystem II
    in FEBS letters (Print)
    (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#autori
  • Caffarri S., Passarini F., Bassi R. and Croce R. (literal)
Pagina inizio
  • 4704 (literal)
Pagina fine
  • 4710 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#numeroVolume
  • 581 (literal)
Rivista
Note
  • ISI Web of Science (WOS) (literal)
Titolo
  • A specific binding site for neoxanthin in the monomeric antenna proteins CP26 and CP29 of Photosystem II (literal)
Abstract
  • The location of the neoxanthin binding site in CP26 and CP29 was investigated by site-directed mutagenesis. The crystallographic structure of LHCII shows that the binding of neoxanthin to the N1 site is stabilised by an H bond with a tyrosine in the lumenal loop. This residue is conserved in CP26 and CP29. Mutation of this tyrosine into phenylalanine induced specific loss of neoxanthin without affecting violaxanthin binding. In contrast to previous proposals, it is thus concluded that also in these minor antenna complexes neoxanthin is accommodated in the N1 site. The characteristics of this binding site in the different antenna complexes are discussed. (literal)
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