Table 1 Parameters of EMF, CytC and BSA: Debye temperature Θ D, Debye frequency ν D = kB θ D/h (kB – Boltzmann constant, h – Planck constant), boson peak frequency ν BP , boson peak correlation length ξ BP , activation energies of the UDR and the NCL regimes E a(UDR) and E a(UDR), respectively, dipole moment.
Parameter | EMF | CytC | BSA |
|---|---|---|---|
Θ D, K | 110 ± 20 | 100 ± 20 | 90 ± 20 |
ν D, THz | 2.3 ± 0.4 | 2.08 ± 0.4 | 1.88 ± 0.4 |
ν BP, GHz | 750 ± 200 | 630 ± 150 | 540 ± 130 |
ξ BP , nm | 2.7 ± 0.6 | 3.2 ± 0.6 | 3.8 ± 0.7 |
E a(UDR), meV | 1550 ± 300 | 600 ± 130 | — |
E a(NCL), meV | 15.5 ± 3 | 5.2 ± 0.5 | 9.5 ± 0.8 |
Approximate dimensions, Å | — | 25·25·3766 | 140·40·4067 |
Dipole moment, Debye | — | ~32068 | ~40069 |
c P -T freezing anomaly (Fig. 2A) | Yes | No | No |
UDR-NCL crossover (Fig. 2B) | Yes | No | No |
Free charge carriers | Yes | Yes | No |
Hemes in structure | Yes | Yes | No |
Quinones and flavins in structure | Yes | No | No |
UDR regime observed | Yes | Yes | No |
NCL regime observed | Yes | Yes | Yes |
UDR-NCL-crossover | Yes | Yes | No |
Boson peak observed in c P (T) | Yes | Yes | Yes |
Boson peak observed in THz spectra | Yes | No | No |