Cis-trans-isomerization of violaxanthin in LHC II: violaxanthin isomerization cycle within the violaxanthin cycle
作者： Wiesław I Gruszecki , Magdalena Matuła , Naomi Ko-chi , Yasushi Koyama , Zbigniew Krupa
DOI: 10.1016/S0005-2728(96)00167-3
关键词:
摘要: Chlorophyll fluorescence excitation and emission spectroscopy, electron absorption spectroscopy resonance Raman spectrometry of light-harvesting pigment-protein complex Photosystem II (LHC II), isolated incorporated to liposomes, indicate that a carotenoid pigment violaxanthin is present in this conformation 15, 15′-cis. Light-induced cis-trans-isomerization combined with an energetic uncoupling antenna from chlorophyll interpreted terms detachment protein — the process making available for de-epoxidation within lipid phase thylakoid membrane. It also demonstrated heat-induced LHC not cis-trans- isomerization.
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