EOG89PDD3 GO:0005615 12/12 extracellular space cellular_component "That part of a multicellular organism outside the cells proper, usually taken to be outside the plasma membranes, and occupied by fluid." [ISBN:0198547684] EOG89PDD3 GO:0030162 1/12 regulation of proteolysis biological_process "Any process that modulates the frequency, rate or extent of the hydrolysis of a peptide bond or bonds within a protein." [GOC:mah] EOG89PDD3 GO:0010951 1/12 negative regulation of endopeptidase activity biological_process "Any process that decreases the frequency, rate or extent of endopeptidase activity, the endohydrolysis of peptide bonds within proteins." [GOC:dph, GOC:tb] EOG89PDD3 GO:0004867 1/12 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]