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Identification of the subunit carrying FeS-centers A and B in the P840-reaction center preparation of Chlorobium limicola

  • Natascha Illinger*
  • , Dian Lin Xie
  • , Günter Hauska
  • , Nathan Nelson
  • *Corresponding author for this work
  • University of Regensburg
  • Hoffmann-La Roche Inc.

Research output: Contribution to journalArticlepeer-review

21 Scopus citations

Abstract

The product of the second gene in a transcription unit for the P840-reaction center of Chlorobium limicola f.sp. thiosulfatophilum, which codes for a protein of 23.87 kDa with 232 amino acids, was identified as the subunit migrating in SDS-PAGE at the apparent molecular weight of 32 kDa in reaction center preparations, by Western blotting and N-terminal sequencing. This protein corresponds to PsaC, a 8 kDa-subunit of Photosystem 1 which carries the FeS-centers A and B.

Original languageEnglish
Pages (from-to)111-114
Number of pages4
JournalPhotosynthesis Research
Volume38
Issue number1
DOIs
StatePublished - Oct 1993
Externally publishedYes

Keywords

  • FeS-centers A and B
  • Photosystem 1 reaction center
  • bound ferredoxin
  • green sulfur bacteria
  • psa-C

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