GO terms:

Biological Process:
proteolysis [GO:0006508],
angiotensin maturation [GO:0002003],

Molecular Function:
aminopeptidase activity [GO:0004177],
peptidase activity [GO:0008233],
metallopeptidase activity [GO:0008237],
zinc ion binding [GO:0008270],
hydrolase activity [GO:0016787],
metal ion binding [GO:0046872],
metalloaminopeptidase activity [GO:0070006],

Cellular Component:
nucleus [GO:0005634],
nucleolus [GO:0005730],
cytoplasm [GO:0005737],
cytosol [GO:0005829],