Skip to main content
. Author manuscript; available in PMC: 2010 Dec 29.
Published in final edited form as: Biochemistry. 2009 Dec 29;48(51):12305–12313. doi: 10.1021/bi901694s

Table 2.

pKa values from kcat/Km-pH profiles for para-substituted N,N'-dibenzyl-1,4-diaminobutanes as substrates for PAO

X pK1 pK2
H 8.1 ± 0.1 9.8 ± 0.2
CH3O 8.2 ± 0.2 9.9 ± 0.2
CF3 7.8 ± 0.1 9.9 ± 0.1