A method of producing purified crystalline cellulase from a cellulase containing fermentation broth

摘要

pA method for purification, and isolation in crystalline form, of a protein from a protein-containing solution comprises: treating the protein-containing solution with a crystallization-effective amount of a water-miscible organic solvent (e.g. a lower aliphatic alcohol or ketone); and isolating the protein in question in crystalline form./p [WO9734919A1]