2. A composition comprising an isolated neutral and/or alkaline cellulase, said isolated neutral and/or alkaline cellulase is obtained from a wild type or mutant fungus of the genus Chrysosporium , wherein the fungus is Chrysosporium lucknowense Garg 27K, accession number VKM F-3500D.
5. A composition according to claim 2 having at least 50% of the optimal cellulase activity, at a pH from about 6.0 to about 7.0, at a temperature from about 40° C. to about 60° C.