Patent ID: 6190905
Filing Date: 2001-02-20
Classification: A21D,A23K,C11D,C12N

Abstract:
A method for cleaning a contact lens comprising treating said contact lens with an effective amount of an isolated and purified enzyme exhibiting protease activity at a pH of 4-7 which exhibits protease activity in 5% hydrogen peroxide and which is encoded by a DNA sequence which hybridizes to a DNA sequence depicted in SEQ ID NO. 1 or 2 under the following conditions: hybridizing in 5.times.SSC, 5.times.Denhardt's solution, 0.5% SDS and 100 ug/ml salmon sperm DNA for 16 hrs. at about 65.degree. C., followed by washes in 5.times.SSC, 2.times.SSC, 0.5% SDS, 0.2.times.SSC, 0.5% SDS and 5.times.SSC at 65.degree. C.