Ladas & Parry
Mutant aspartase and the preparation thereof
 Disclosed is a mutant aspartase comprising the amino acid sequence of a wild-type E. coli aspartase wherein the amino acid residue at one of positions 25, 123, 421 and 463 is substituted. Also disclosed is a process for preparing the above mutant aspartase. 
Development Center for BioTechnology
C
C12N
inventional
Jin-Tann Hsiu-Hui Hsin
Chen Chen Tsai