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Electron spin echo envelope modulation (ESEEM) spectroscopy of the triplet state of the primary donor of 14N and 15N bacterial photosynthetic reaction centers and of 14N and 15N bacteriochlorophyll a

✍ Scribed by Alex de Groot; Rob Evelo; Arnold J. Hoff; Ron de Beer; Hugo Scheer

Publisher: Elsevier Science
Year: 1985
Tongue: English
Weight: 637 KB
Volume: 118
Category: Article
ISSN: 0009-2614
DOI: 10.1016/0009-2614(85)85264-7

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✦ Synopsis

An clecrron spin echo cnvclope moduldLion frequency analysis is performed on the ~nplct stale or the primary eleclron donor (P-860) in "N rexlion centers of the photosynthetic bacterium RhodopselrdorttonaFspfroerorde~ FG!6 and "N-enrIched rexLion centers or Rhodopxudomonas sphoemtder 2 4 1. and ol the [nplel stale ol 14N or "N baclcriochlorophyll a in vllro The hyperfine mupling conslaws for 15N 'P-B60 are 1.4Z 1.74 nnd 2.04 MHr The lriplet stale of the primary donor in bnctcnal photosynthesis IS, on II [imale ol a few MHz, delocalized over the IWO bacteriochlorophyll a molecules making up P-860

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