3.2.1.89 3.5 - - 136948, 136949 3.2.1.89 3.5 - wild-type enzyme 657295 3.2.1.89 4 - - 136945, 136947 3.2.1.89 4 - galactanase I 136938 3.2.1.89 4 - S-39 136950 3.2.1.89 4 4.5 - 655442 3.2.1.89 4.5 - - 136936, 136939, 136951, 655166 3.2.1.89 4.5 - D128N mutant 657295 3.2.1.89 4.5 - galactanase II 136938 3.2.1.89 5 - - 136941, 731199 3.2.1.89 6 - - 136937, 136940 3.2.1.89 6.5 - A90S/H91D mutant 657295 3.2.1.89 6.5 8 the enzyme shows maximum activity (more than 90 %) in the pH range over 6.5 to 8.0 749617 3.2.1.89 7 - - 678791 3.2.1.89 7.5 - - 666024 3.2.1.89 7.5 - wild-type enzyme 657295 3.2.1.89 8.5 - - 657295 3.2.1.89 10 - S-2 136950