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Article

Excitonic interactions in wild-type and mutant PSI reaction centers.

Biophysical journal - 1 Oct 2003

Gibasiewicz Krzysztof, Ramesh V M, Lin Su, Redding Kevin, Woodbury Neal W, Webber Andrew N

Abstract excerpt

Femtosecond excitation of the red edge of the chlorophyll a Q(Y) transition band in photosystem I (PSI), with light of wavelength > or = 700 nm, leads to wide transient (subpicosecond) absorbance changes: positive DeltaA between 635 and 665 nm, and four negative DeltaA bands at 667, 675, 683, and 695 nm. Here we compare the transient absorbance changes after excitation at 700, 705, and 710 nm at 20 K in several...

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Identifiers

PMID: 14507717
DOI: 10.1016/S0006-3495(03)74677-3
PMCID: PMC1303478

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PubMed metadata and Literature Corpus relationships. Corpus snapshot updated 7 Sept 2026. Manifest publication-graph-cohort-2026-09-08.1.

Source receipt: pubmed, retrieved 7 Sept 2026.

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