The Photosystem I-like P840-reaction center of Green S-bacteria is a homodimer

Michael Büttner; Dian Lin Xie; Hannah Nelson; Wilfried Pinther; Günter Hauska; Nathan Nelson

doi:10.1016/0005-2728(92)90200-L

The Photosystem I-like P840-reaction center of Green S-bacteria is a homodimer

Michael Büttner, Dian Lin Xie, Hannah Nelson, Wilfried Pinther, Günter Hauska^*, Nathan Nelson

^*Corresponding author for this work

Research output: Contribution to journal › Article › peer-review

47 Scopus citations

Abstract

An operon encoding the P840 reaction center ofChlorobium limicola f.sp.thiosulfatophilum has been cloned and sequenced. It contains two structural genes coding for proteins of 730 and 232 amino acids. The first protein resembles the large subunits of the Photosystem I (PS I) reaction center. Putative binding elements for the primary donor, P840 inChlorobium and P700 in PS I and for the acceptors A₀, A₁ and FeS-center X are conserved. The second protein is related to the PS I subunit carrying the FeS-centers A and B. Since all our efforts to find a gene for a second, large subunit failed, the P840 reaction center probably is homodimeric.

Original language	English
Pages (from-to)	154-156
Number of pages	3
Journal	Biochimica et Biophysica Acta - Bioenergetics
Volume	1101
Issue number	2
DOIs	https://doi.org/10.1016/0005-2728(92)90200-L
State	Published - 1992
Externally published	Yes

Keywords

C. limicola f.sp.thiosulfatophilum
DNA sequence
Photosynthesis
Reaction center

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10.1016/0005-2728(92)90200-L

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title = "The Photosystem I-like P840-reaction center of Green S-bacteria is a homodimer",

abstract = "An operon encoding the P840 reaction center ofChlorobium limicola f.sp.thiosulfatophilum has been cloned and sequenced. It contains two structural genes coding for proteins of 730 and 232 amino acids. The first protein resembles the large subunits of the Photosystem I (PS I) reaction center. Putative binding elements for the primary donor, P840 inChlorobium and P700 in PS I and for the acceptors A0, A1 and FeS-center X are conserved. The second protein is related to the PS I subunit carrying the FeS-centers A and B. Since all our efforts to find a gene for a second, large subunit failed, the P840 reaction center probably is homodimeric.",

keywords = "C. limicola f.sp.thiosulfatophilum, DNA sequence, Photosynthesis, Reaction center",

author = "Michael B{\"u}ttner and Xie, {Dian Lin} and Hannah Nelson and Wilfried Pinther and G{\"u}nter Hauska and Nathan Nelson",

year = "1992",

doi = "10.1016/0005-2728(92)90200-L",

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T1 - The Photosystem I-like P840-reaction center of Green S-bacteria is a homodimer

AU - Büttner, Michael

AU - Xie, Dian Lin

AU - Nelson, Hannah

AU - Pinther, Wilfried

AU - Hauska, Günter

AU - Nelson, Nathan

PY - 1992

Y1 - 1992

N2 - An operon encoding the P840 reaction center ofChlorobium limicola f.sp.thiosulfatophilum has been cloned and sequenced. It contains two structural genes coding for proteins of 730 and 232 amino acids. The first protein resembles the large subunits of the Photosystem I (PS I) reaction center. Putative binding elements for the primary donor, P840 inChlorobium and P700 in PS I and for the acceptors A0, A1 and FeS-center X are conserved. The second protein is related to the PS I subunit carrying the FeS-centers A and B. Since all our efforts to find a gene for a second, large subunit failed, the P840 reaction center probably is homodimeric.

AB - An operon encoding the P840 reaction center ofChlorobium limicola f.sp.thiosulfatophilum has been cloned and sequenced. It contains two structural genes coding for proteins of 730 and 232 amino acids. The first protein resembles the large subunits of the Photosystem I (PS I) reaction center. Putative binding elements for the primary donor, P840 inChlorobium and P700 in PS I and for the acceptors A0, A1 and FeS-center X are conserved. The second protein is related to the PS I subunit carrying the FeS-centers A and B. Since all our efforts to find a gene for a second, large subunit failed, the P840 reaction center probably is homodimeric.

KW - C. limicola f.sp.thiosulfatophilum

KW - DNA sequence

KW - Photosynthesis

KW - Reaction center

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JF - Biochimica et Biophysica Acta - Bioenergetics

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ER -

The Photosystem I-like P840-reaction center of Green S-bacteria is a homodimer

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Keywords

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