Table III. Binding affinities of newly identified BAG3 interacting proteins.

Interacting proteins	ka (M−1 s−1)a	kd (s−1)b	KD (M) (kd/ka)c
14-3–3ζ	(1.4 ± 0.4) × 106	(7.1 ± 3.3) × 10−2	(5.1 ± 2.2) × 10−8
ATG3	(4.2 ± 2.2) × 103	(7.2 ± 1.8) × 10−4	(1.7 ± 2.4) × 10−7
PSMB1	(3.8 ± 1.7) × 103	(4.6 ± 0.6) × 10−3	(1.2 ± 0.8) × 10−6
HSP70	(3.2 ± 1.5) × 104	(5.3 ± 2.1) × 10−4	(1.7 ± 1.3) × 10−8
MAPK7	(7.3 ± 3.4) × 104	(8.1 ± 1.5) × 10−2	(1.1 ± 1.6) × 10−6
HSF1	(9.6 ± 2.5) × 104	(3.3 ± 1.2) × 10−3	(3.4 ± 1.8) × 10−8
ENO1	NDd	NDd	NDd

^a k_a: association rate.

^b k_d: dissociation rate.

^c K_D: k_d/k_a, dissociation constant.

^d ND, not determined because of a low interaction signal.