Table 2. Dissociation constants for human AZ-ODC and AZ-AZI complexes.

AZ peptide	K d,AZ-ODC (µM)			K d,AZ-AZI (µM)
WT	0.71	±	0.005	0.027	±	0.0001
87-124	12.7	±	0.28	0.16	±	0.001
95-228	1.5	±	0.01	0.024	±	0.0002
95-176	5.6	±	0.04	0.06	±	0.004
95-135	10.3	±	0.07	ND
95-124	18.6	±	0.13	0.28	±	0.002
100-228	5.3	±	0.03	0.068	±	0.0007
100-176	10.8	±	0.07	ND

The dissociation constants (K _d) of AZ-ODC and AZ-AZI were derived from global fitting of the sedimentation velocity data to the model of A+B↔AB hetero-association in the SEDTHAT program.