Variants of Glycoside Hydrolase family 53 galactanases, e.g. variants of
the galactanases from strains of Yersinia, Aspergillus, Humicola,
Meripilus, Myceliophthora, Thermomyces, Bacillus, Bifidobacterium,
Cellvibrio, Clostridium, Pseudomonas, Thermotoga, or Xanthomonas.