THE CRYSTAL STRUCTURE OF MISMATCH SPECIFIC URACIL-DNA GLYCOSYLASE (MUG) FROM DEINOCOCCUS RADIODURANS. INACTIVE MUTANT ASP93ALA. HYDROLASE, DEINOCOCCUS RADIODURANS, RADIATION RESISTANCE, DNA REPAIR ENZYMES, URACIL-DNA GLYCOSYLASE, MISMATCH SPECIFIC DNA- GLYCOSYLASE, MUG 2C2Q