✦ LIBER ✦

Is re-association in folded proteins a case of nonextensivity?

✍ Scribed by Constantino Tsallis; George Bemski; Renio S Mendes

Publisher: Elsevier Science
Year: 1999
Tongue: English
Weight: 149 KB
Volume: 257
Category: Article
ISSN: 0375-9601
DOI: 10.1016/s0375-9601(99)00270-4

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✦ Synopsis

Pioneering experiments by Frauenfelder and collaborators have shown that the ligands of iron CO, O in heme proteins 2 ) Ž

) such as myoglobin and hemoglobin, when photo-dissociated at temperatures up to about T for example, T s 160 K for . Ž . MbCO in glycerol-water exhibit an anomalous power-law, instead of exponential rebinding behavior as a function of time. We show here that this behavior is consistent with nonextensive statistics that have been successfully applied to other physical phenomena.

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