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. Author manuscript; available in PMC: 2009 Aug 1.
Published in final edited form as: Biophys Chem. 2008 May 1;136(2-3):74–86. doi: 10.1016/j.bpc.2008.04.008

Table 1.

Lag time, T50 values, and elongation rates as a function of peptide sequence and concentration, salt composition and concentration, and pH from ThT fluorescence experiments.

Peptide Concn (mg/mL) pH Salt Concn (mM) Lag Time (hr) t1/2 (hr) Elongation Rate (hr−1)
PE 1 3.1 NaCOOCH3 50 0 0.55 0.81

PE 1 3.6 NaCOOCH3 50 1.5 5 0.16
PE 0.5 3.6 NaCOOCH3 50 4 7.55 0.14
PE 1 3.6 (NH4)2COOCH3 50 2.4 5.3 0.17
PE 1 3.6 NaCOOCH2CH3 50 2.9 5.65 0.12
PE 1 3.6 MgSO4 50 2.7 5.62 0.14
PE 1 3.6 NaCOOCH3 100 2 5.67 0.05
PE 1 3.6 NaCOOCH3 10 1.4 3.9 0.22
PE 1 3.6 NaCOOCH3 0 0 1.5 0.26

PE 1 4.1 NaCOOCH3 50 25.1 43 0.02
PE 2 4.1 NaCOOCH3 50 10.3 18.85 0.05
PE 1 4.1 (NH4)2COOCH3 50 19.8 34.33 0.03
PE 1 4.1 NaCOOCH2CH3 50 24 44 0.03
PE 1 4.1 MgSO4 50 25 44.2 0.02
PE 1 4.1 NaNO3 50 22 35.3 0.03
PE 1 4.1 K2HPO4 50 16 27 0.03
PE 1 4.1 KNO3 50 11.5 26.15 0.04
PE 1 4.1 NaCOOCH3 100 37 53.5 0.03
PE 1 4.1 NaCOOCH3 10 17 29.75 0.02
PE 1 4.1 NaCOOCH3 0 11 19.75 0.04

PEA 1 3.1 NaCOOCH3 50 0 1.14 0.20

PEA 1 3.6 NaCOOCH3 50 15 27.5 0.03
PEA 2 3.6 NaCOOCH3 50 10 16.33 0.07
PEA 1 3.6 (NH4)2COOCH3 50 12 26.5 0.02
PEA 1 3.6 NaCOOCH2CH3 50 29.5 35.45 0.08
PEA 1 3.6 NaCOOCH3 100 12.5 27.8 0.02
PEA 1 3.6 NaCOOCH3 10 22 35.8 0.03
PEA 1 3.6 NaCOOCH3 0 38 56.5 0.02