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. Author manuscript; available in PMC: 2016 Nov 1.
Published in final edited form as: Biopolymers. 2015 Nov;104(6):663–673. doi: 10.1002/bip.22698

Table 1.

Plk1 PBD IC50 values measured in an ELISA competition assay.a

No. Ring Size IC50 (μM)
1 29
2 0.011
3a 18 0.14
3b 20 0.015
3c 22 0.014
3d 24 0.11
4a 15 1.8
4b 18 0.83
4c 20 0.14
4d 22 0.24
4e 24 13
5a 14 19
5b 16 9.4
5c 18 29
5d 20 25
5e 22 99
5f 24 200
a

Values were obtained in an ELISA-based assay that measured the ability of peptides to compete with an immobilized pT78 peptide for binding to HEK 293A cell lysate-derived GFP-HA-fused Plk1.