C CHEMISTRY; METALLURGY
C12 BIOCHEMISTRY; BEER; SPIRITS; WINE; VINEGAR; MICROBIOLOGY; ENZYMOLOGY; MUTATION OR GENETIC ENGINEERING
C12Y ENZYMES
304/00 Hydrolases acting on peptide bonds, i.e. peptidases (3.4)
C12Y304/21 Serine endopeptidases (3.4.21)