In the present study, we recombinantly produced 19 single HRP
isoenzymes in P. pastoris in shake flask cultivations. We optimized
our recently reported 2-step purification approach for recombinant
hyperglycosylated HRP replacing the tedious SEC step with an AEC
step using a tube monolithic column. After purification, we biochemically
characterized the individual HRP isoenzyme preparations
with different substrates and evaluated their thermal
stability. The main outcomes of this study can be summarized as: