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. Author manuscript; available in PMC: 2020 May 23.
Published in final edited form as: J Med Chem. 2019 May 9;62(10):4967–4978. doi: 10.1021/acs.jmedchem.9b00068

Table 1.

SPR Analysis of Linear and HCS-4E-BP1 and -eIF4G and sTIP-04 Peptides at 25 °C

Peptide Sequence Ka×106 (M−1s−1) kd×10(s−1) Kd (nM)

4E-BP1 graphic file with name nihms-1040077-t0010.jpg 0.82 ± 0.3 21 ±4 26 ±6
HCS-4E-BP1 1.5 ± 0.2 5.3 ±4 4.1 ±3

eIF4G graphic file with name nihms-1040077-t0011.jpg 1.7 ± 0.3 48 ± 9 29 ±6
HCS-eIF4G 0.33 ± 0.01 30 ±4 90 ±0.4

Linear sTIP-04 graphic file with name nihms-1040077-t0012.jpg 2.0 ± 0.1 123 ± 14 62 ±6
sTIP-04 0.83 ± 0.05 5.2 ± 0.1 6.3 ± 0.4