Definition of the energy map and its applications to the study of chromophores in proteins

A. Kaposi, V. Logovinsky, Jane M. Vanderkooi

Research output: Chapter in Book/Report/Conference proceedingConference contribution

5 Citations (Scopus)

Abstract

The porphyrin in metal-free cytochrome c molecules was investigated using fluorescence line narrowing spectroscopy. An energy map is defined to illustrate the environmental effects on the vibronic structure of a chromophore. In the approximation of pure electronic distortion, the population distribution in the energy scale can be characterized by a function. An intuitive definition of this distribution function is determined for the porphyrin in cytochrome c, and the validity of this approximation is experimentally verified. In addition, numerous excited state vibrational levels suggest a method to quantify the relative absorption probabilities for (0,0)→(1,k) transitions.

Original languageEnglish
Title of host publicationProceedings of SPIE - The International Society for Optical Engineering
PublisherPubl by Int Soc for Optical Engineering
Pages792-799
Number of pages8
Volume1640
ISBN (Print)0819407860
Publication statusPublished - 1992
EventTime-Resolved Laser Spectroscopy in Biochemistry III - Los Angeles, CA, USA
Duration: Jan 20 1992Jan 22 1992

Other

OtherTime-Resolved Laser Spectroscopy in Biochemistry III
CityLos Angeles, CA, USA
Period1/20/921/22/92

Fingerprint

cytochromes
Porphyrins
Chromophores
porphyrins
chromophores
Population distribution
proteins
Proteins
approximation
Excited states
Distribution functions
Environmental impact
Fluorescence
distribution functions
Spectroscopy
fluorescence
Molecules
energy
Metals
electronics

ASJC Scopus subject areas

  • Electrical and Electronic Engineering
  • Condensed Matter Physics

Cite this

Kaposi, A., Logovinsky, V., & Vanderkooi, J. M. (1992). Definition of the energy map and its applications to the study of chromophores in proteins. In Proceedings of SPIE - The International Society for Optical Engineering (Vol. 1640, pp. 792-799). Publ by Int Soc for Optical Engineering.

Definition of the energy map and its applications to the study of chromophores in proteins. / Kaposi, A.; Logovinsky, V.; Vanderkooi, Jane M.

Proceedings of SPIE - The International Society for Optical Engineering. Vol. 1640 Publ by Int Soc for Optical Engineering, 1992. p. 792-799.

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Kaposi, A, Logovinsky, V & Vanderkooi, JM 1992, Definition of the energy map and its applications to the study of chromophores in proteins. in Proceedings of SPIE - The International Society for Optical Engineering. vol. 1640, Publ by Int Soc for Optical Engineering, pp. 792-799, Time-Resolved Laser Spectroscopy in Biochemistry III, Los Angeles, CA, USA, 1/20/92.
Kaposi A, Logovinsky V, Vanderkooi JM. Definition of the energy map and its applications to the study of chromophores in proteins. In Proceedings of SPIE - The International Society for Optical Engineering. Vol. 1640. Publ by Int Soc for Optical Engineering. 1992. p. 792-799
Kaposi, A. ; Logovinsky, V. ; Vanderkooi, Jane M. / Definition of the energy map and its applications to the study of chromophores in proteins. Proceedings of SPIE - The International Society for Optical Engineering. Vol. 1640 Publ by Int Soc for Optical Engineering, 1992. pp. 792-799
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