no hydrolysis of: 1-O-(p-nitrophenyl)-beta-D-galactopyranoside, 1-O-(p-nitrophenyl)-alpha-D-galactopyranoside,1-O-(p-nitrophenyl)-beta-N-acetyl-D-glucopyranosylamine, p-nitrophenyl-phosphocholine, p-nitrophenyl-phosphate, or bis-(p-nitrophenyl)-phosphate
enzyme activity is low during logarithmic growth of a culture medium of Aspergillus fumigatus (about 0.2 to 0.4 U/liter) and increases during the lytical phase. Maximal activity is the lowest at higher pHs, being 1.4 U/liter at pH 7.1 to 7.4 and 2.6 U/liter at pH 7.4 and higher at low pHs, being 5.4 U/liter at pH 3.6 to 4.4 and 4.9 U/liter at pH 5.0. Activity is even higher when grown on 25 mM of glucose at pH 5.0, being 11.6 U/liter
Tuekam, B.A.; Park, Y.I.; Unkefer, C.J.; Gander, J.E.
Relationship of exo-beta-D-galactofuranosidase kinetic parameters to the number of phosphodiesters in Penicillium fellutanum peptidophosphogalactomannan: enzyme purification and kinetics of glycopeptide and galactofuran chain hydrolysis