Resonance Raman characterization of reaction centers in which bacteriochlorophyll replaces the photoactive bacteriopheophytin.

doi:10.1021/bi971600m

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Article

Resonance Raman characterization of reaction centers in which bacteriochlorophyll replaces the photoactive bacteriopheophytin.

Biochemistry - 2 Dec 1997

Czarnecki K, Schenck C C, Bocian D F

Abstract excerpt

Qy-excitation resonance Raman (RR) spectra are reported for two mutant reactions centers (RCs) from Rhodobacter sphaeroides in which the photoactive bacteriopheophytin (BPhL) is replaced by a bacteriochlorophyll (BChl) molecule, designated by beta L. One mutation, (M)L214H, yields the pigment cha...

Topics

Bacteriochlorophylls
Histidine
Hydrogen Bonding
Infrared Rays
Light
Light-Harvesting Protein Complexes
Magnesium
Mutation
Pheophytins
Photosynthetic Reaction Center Complex Proteins
Rhodobacter sphaeroides
Spectrum Analysis, Raman

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