EOG85MQKS GO:0004867 66/258 serine-type endopeptidase inhibitor activity molecular_function "Stops, prevents or reduces the activity of serine-type endopeptidases, enzymes that catalyze the hydrolysis of nonterminal peptide bonds in a polypeptide chain; a serine residue (and a histidine residue) are at the active center of the enzyme." [GOC:ai] EOG85MQKS GO:0004064 3/258 arylesterase activity molecular_function "Catalysis of the reaction: a phenyl acetate + H2O = a phenol + acetate." [EC:3.1.1.2] EOG85MQKS GO:0005576 1/258 extracellular region cellular_component "The space external to the outermost structure of a cell. For cells without external protective or external encapsulating structures this refers to space outside of the plasma membrane. This term covers the host cell environment outside an intracellular parasite." [GOC:go_curators]