HYDROLASE, CENTER FOR EUKARYOTIC STRUCTURAL GENOMICS, UCH37, UCH-L5, UBIQUITIN HYDROLASE, HOMO SAPIENS, UBIQUITIN, PROTEASOME, INO80, SMAD7, RPN13, PSI, PROTEIN STRUCTURE INITIATIVE, CESG, STRUCTURAL GENOMICS, ALTERNATIVE SPLICING, POLYMORPHISM, PROTEASE, THIOL PROTEASE, UBL CONJUGATION PATHWAY CRYSTAL STRUCTURE OF UCH37 3IHR