Table 1. Sequences and Affinity Constants of Peptides Binding to the PDZ Domain of CAL.

peptide	sequencea	Ki (μM)	ref
CFTR10	Thr-Glu-Glu-Glu-Val-Gln-Asp-Thr-Arg-Leu-OH	390 ± 20	(171)
iCAL36 (40)	Ala-Asn-Ser-Arg-Trp-Pro-Thr-Ser-Ile-Ile-OH	22.6 ± 8.0	(172)
kCAL01 (41)	Ac-Trp-Gln-Val-Thr-Arg-Val-OH	2.3 ± 0.2	(174)

^aAc = acetyl.