Fold (b.47): Trypsin-like serine proteases [50493]
Superfamily (b.47.1): Trypsin-like serine proteases [50494]
Family (b.47.1.1): Prokaryotic proteases [50495]
Family (b.47.1.2): Eukaryotic proteases [50514]
Family (b.47.1.3): Viral proteases [50596]
Family (b.47.1.4): Viral cysteine protease of trypsin fold [50603]