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Nonlinear correlations in the hydrophobicity and average flexibility along the glycolytic enzymes sequences

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  • Ciorsac, Alecu
  • Craciun, Dana
  • Ostafe, Vasile
  • Isvoran, Adriana

Abstract

Nonlinear methods widely used for time series analysis were applied to glycolytic enzyme sequences to derive information concerning the correlation of hydrophobicity and average flexibility along their chains. The 20 sequences of different types of the 10 human glycolytic enzymes were considered as spatial series and were analyzed by spectral analysis, detrended fluctuations analysis and Hurst coefficient calculation. The results agreed that there are both short range and long range correlations of hydrophobicity and average flexibility within investigated sequences, the short range correlations being stronger and indicating that local interactions are the most important for the protein folding. This correlation is also reflected by the fractal nature of the structures of investigated proteins.

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  • Ciorsac, Alecu & Craciun, Dana & Ostafe, Vasile & Isvoran, Adriana, 2011. "Nonlinear correlations in the hydrophobicity and average flexibility along the glycolytic enzymes sequences," Chaos, Solitons & Fractals, Elsevier, vol. 44(4), pages 191-197.
    • Handle: RePEc:eee:chsofr:v:44:y:2011:i:4:p:191-197
    DOI: 10.1016/j.chaos.2011.01.008
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    References listed on IDEAS

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    1. Herzel, Hanspeter & Große, Ivo, 1995. "Measuring correlations in symbol sequences," Physica A: Statistical Mechanics and its Applications, Elsevier, vol. 216(4), pages 518-542.
    2. Morariu, V.V. & Coza, A., 2003. "Nonlinear properties of the atomic vibrations in protein backbones," Physica A: Statistical Mechanics and its Applications, Elsevier, vol. 320(C), pages 461-474.
    3. Morariu, V.V. & Isvoran, Adriana & Zainea, Oana, 2007. "A non-linear approach to the structure–mobility relationship in protein main chains," Chaos, Solitons & Fractals, Elsevier, vol. 32(4), pages 1305-1315.
    4. Craciun, Dana & Isvoran, Adriana & Avram, N.M., 2009. "Long range correlation of hydrophilicity and flexibility along the calcium binding protein chains," Physica A: Statistical Mechanics and its Applications, Elsevier, vol. 388(21), pages 4609-4618.
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    Cited by:

    1. Bashkirtseva, Irina & Zaitseva, Svetlana, 2021. "Variability, transients and excitement in a stochastic model of enzyme kinetics," Chaos, Solitons & Fractals, Elsevier, vol. 150(C).

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