CAS OpenIR  > 中科院上海原子核所2003年前
Trichloroacetate affects the redox active tyrosine 160 of the D2 polypeptide of the photosystem II core
Li, R; Lin, N; Xu, C; Shen, Y; Govindjee
1997
Source PublicationZEITSCHRIFT FUR NATURFORSCHUNG C-A JOURNAL OF BIOSCIENCES
ISSN0939-5075
Volume52Issue:41225Pages:782
AbstractTrichloroacetate (TCA) affects the redox property of Y-D (tyrosine-160 on D2 polypeptide) after the removal of 33 kDa extrinsic polypeptide from the photosystem II (PSII) core. However, TCA has no obvious effect on the redox property of Y-Z, confirming that the environments around Y-Z and Y-D are quite different. The conclusion on the effects on Y-D is based primarily on the observation that YD+ is not detected as the EPR signal IIslow when 33 kDa polypeptide is released by TCA-treatment. Dialysis of the TCA-treated sample that allows the rebinding of mostly 33 kDa polypeptide restores YD+, showing that the loss of the EPR signal IIslow takes place after the removal of 33 kDa polypeptide but not the release of manganese (Mn). Additionally, treatment of several halogenated acetates on Tris-washed PSII particles shows that the degree of their effects on suppressing EPR signal IIslow is correlated with their hydrophobicity. It is postulated that Y-D becomes more accessible to some small hydrophobic molecules depending upon their hydrophobicity when 33 kDa polypeptide is removed.
Indexed BySCI
Language英语
Funding Project应物所项目组
WOS IDWOS:000071545500010
Citation statistics
Cited Times:3[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.sinap.ac.cn/handle/331007/10252
Collection中科院上海原子核所2003年前
Recommended Citation
GB/T 7714
Li, R,Lin, N,Xu, C,et al. Trichloroacetate affects the redox active tyrosine 160 of the D2 polypeptide of the photosystem II core[J]. ZEITSCHRIFT FUR NATURFORSCHUNG C-A JOURNAL OF BIOSCIENCES,1997,52(41225):782.
APA Li, R,Lin, N,Xu, C,Shen, Y,&Govindjee.(1997).Trichloroacetate affects the redox active tyrosine 160 of the D2 polypeptide of the photosystem II core.ZEITSCHRIFT FUR NATURFORSCHUNG C-A JOURNAL OF BIOSCIENCES,52(41225),782.
MLA Li, R,et al."Trichloroacetate affects the redox active tyrosine 160 of the D2 polypeptide of the photosystem II core".ZEITSCHRIFT FUR NATURFORSCHUNG C-A JOURNAL OF BIOSCIENCES 52.41225(1997):782.
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