Hello, cannot find pI for CDK2. I wonder if it is faster (?) than to check it by my self ... Thanks. Vladimir Krystof --------------------------------------------------- Laboratory of Growth Regulators Palacky University Slechtitelu 11 CZ-78371 Olomouc Czech Republic phone: ++420 68 5222487 fax: ++420 68 5221357 http://prfholnt.upol.cz:81/