GO terms:
Biological Process:
proteolysis [GO:0006508],
spermatogenesis [GO:0007283],
Molecular Function:
metalloendopeptidase activity [GO:0004222],
metallopeptidase activity [GO:0008237],
metal ion binding [GO:0046872],
peptidase activity [GO:0008233],
hydrolase activity [GO:0016787],
Cellular Component:
extracellular region [GO:0005576],
mitochondrion [GO:0005739],
plasma membrane [GO:0005886],
integral component of membrane [GO:0016021],
membrane [GO:0016020],