Probing the primary donor environment in the histidineM200-->leucine and histidineL173-->leucine heterodimer mutants of Rhodobacter capsulatus by light-induced Fourier transform infrared difference spectroscopy.

doi:10.1021/bi00159a028

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Article

Probing the primary donor environment in the histidineM200-->leucine and histidineL173-->leucine heterodimer mutants of Rhodobacter capsulatus by light-induced Fourier transform infrared difference spectroscopy.

Biochemistry - 10 Nov 1992

Nabedryk E, Robles S J, Goldman E, Youvan D C, Breton J

Abstract excerpt

Light-induced P+QB-/PQB FTIR difference spectra of reaction centers (RCs) have been obtained from chromatophores lacking light-harvesting B800-850 antenna for Rhodobacter capsulatus wild type (WT) and for the two mutants HisM200-->Leu and HisL173-->Leu. The primary donor (P) in both mutants consi...

Topics

Bacteriochlorophylls
Electrochemistry
Histidine
Leucine
Light-Harvesting Protein Complexes
Macromolecular Substances
Mutation
Pheophytins
Photosynthetic Reaction Center Complex Proteins
Rhodobacter capsulatus
Spectrophotometry, Infrared

Source

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Identifiers

PMID: 1420198
DOI: 10.1021/bi00159a028

Provenance

PubMed metadata and Literature Corpus relationships. Corpus snapshot updated 30 Aug 2026. Prepared record publication-1420198-2026-08-30.1. Manifest publication-graph-cohort-2026-08-30.1.

Source receipt: PubMed via Helena Literature Corpus, retrieved 30 Aug 2026.

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