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. 2018 Jul 17;115(2):313–327. doi: 10.1016/j.bpj.2018.06.005

Table 1.

Midpoint and Onset Temperatures of Structural Transition at Distinct Hierarchical Structure Levels

A Tertiary Structure q = 0.05–0.2 Å−1 B Internal Structure q = 0.25–0.8 Å−1 C Oligomerization q = 0.07–0.09 Å−1 D Sheet Stacking q = 0.55–0.65 Å−1 E Cross-β Structure q = 1.3–1.38 Å−1 F Cross-β Structure
By Sight

Tm (gly = 0% v/v) 79.0 ± 0.5°C 74.8 ± 0.5°C 73.2 ± 0.5°C 76.2 ± 0.5°C 75.8 ± 0.5°C
Tm (gly = 10% v/v) 79.4 ± 0.5°C 76.9 ± 0.5°C 80.3 ± 0.5°C 78.3 ± 0.5°C 76.2 ± 0.5°C
Tm (gly = 20% v/v) 82.2 ± 0.5°C 78.8 ± 0.5°C 80.0 ± 0.5°C 80.2 ± 0.5°C 80.2 ± 0.5°C
Ton (gly = 0% v/v) 73.8 ± 1.3°C
Ton (gly = 10% v/v) 76.3 ± 1.3°C
Ton (gly = 20% v/v) 77.5 ± 2.5°C

By Sigmoidal Fit

Tm (gly = 0% v/v) 79.3 ± 0.1°C 75.6 ± 0.4°C 70.4 ± 1.5°C 77.3 ± 0.5°C 78.1 ± 1.6°C
Tm (gly = 10% v/v) 80.0 ± 0.3°C 77.7 ± 0.3°C 79.9 ± 0.6°C 79.2 ± 0.3°C 79.2 ± 1.2°C
Tm (gly = 20% v/v) 81.0 ± 2.3°C 79.5 ± 0.4°C 79.3 ± 0.3°C 79.9 ± 0.4°C 80.0 ± 2.1°C

Summary of transition midpoint temperature, Tm, at different hierarchal structure levels. Columns A–E show Tm values obtained from Fig. 16, and column F shows Ton values estimated from Fig. 14. Tm values were determined both by sight and by sigmoid function fitting.