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Gene Review

PA3435  -  flavodoxin

Pseudomonas aeruginosa PAO1

 
 
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Disease relevance of PA3435

  • The results demonstrate that the apparent interaction site charge with flavodoxin is larger than that with FMN for plastocyanin, nitrite reductase, and stellacyanin but smaller for Pseudomonas azurin [1].
 

High impact information on PA3435

  • Transient kinetics of reduction of blue copper proteins by free flavin and flavodoxin semiquinones [1].
  • Interestingly, each WrbA protein forms a homotetramer with 222 symmetry, unique among flavodoxin-like proteins, in which each protomer binds one flavin mononucleotide cofactor molecule [2].
  • Although this protein lacks the flavodoxin key fingerprint motif [(T/S)XTGXT], it has been confirmed to bind flavin mononucleotide and the binding site was identified via X-ray crystallography [3].
 

Associations of PA3435 with chemical compounds

  • The intrinsic reactivities of plastocyanin and azurin toward flavodoxin are the same, as was the case with FMN, but both stellacyanin and nitrite reductase are considerably less reactive than expected (approximately 2 orders of magnitude) [1].

References

  1. Transient kinetics of reduction of blue copper proteins by free flavin and flavodoxin semiquinones. Tollin, G., Meyer, T.E., Cheddar, G., Getzoff, E.D., Cusanovich, M.A. Biochemistry (1986) [Pubmed]
  2. Crystal structures of the tryptophan repressor binding protein WrbA and complexes with flavin mononucleotide. Gorman, J., Shapiro, L. Protein Sci. (2005) [Pubmed]
  3. Structure determination of an FMN reductase from Pseudomonas aeruginosa PA01 using sulfur anomalous signal. Agarwal, R., Bonanno, J.B., Burley, S.K., Swaminathan, S. Acta Crystallogr. D Biol. Crystallogr. (2006) [Pubmed]
 
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