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• adenosine deaminase, ADA go
  an enzyme found in mammals that can catalyze the deamination of adenosine into inosine and ammonia
  
• amylase go
  any of a group of proteins found in saliva and pancreatic juice and parts of plants
  
• cholinesterase go
  an enzyme that hydrolyses acetylcholine (into choline and acetic acid)
  
• coagulase go
  an enzyme that induces coagulation
  
• collagenase go
  any enzyme that catalyzes the hydrolysis of collagen and gelatin
  
• complement go
  one of a series of enzymes in the blood serum that are part of the immune response
  
• catalase go
  enzyme found in most plant and animal cells that functions as an oxidative catalyst
  
• cyclooxygenase, Cox go
  either of two related enzymes that control the production of prostaglandins and are blocked by aspirin
  
• decarboxylase go
  any of the enzymes that hydrolize the carboxyl group
  
• de-iodinase go
  an enzyme that removes the iodine radical
  
• disaccharidase go
  an enzyme that catalyzes the hydrolysis of disaccharides into monosaccharides
  
• elastase go
  a pancreatic enzyme that catalyzes the hydrolysis of elastin
  
• enterokinase go
  enzyme in the intestinal juice that converts inactive trypsinogen into active trypsin
  
• histaminase go
  enzyme that acts as a catalyst in converting histidine to histamine
  
• hyaluronidase, spreading factor, Hyazyme go
  an enzyme (trade name Hyazyme) that splits hyaluronic acid and so lowers its viscosity and increases the permeability of connective tissue and the absorption of fluids
  
• isomerase go
  an enzyme that catalyzes its substrate to an isomeric form
  
• kinase go
  an enzyme that catalyzes the conversion of a proenzyme to an active enzyme
  
• lipase go
  an enzyme secreted in the digestive tract that catalyzes the breakdown of fats into individual fatty acids that can be absorbed into the bloodstream
  
• lysozyme, muramidase go
  an enzyme found in saliva and sweat and tears that destroys the cell walls of certain bacteria
  
• monoamine oxidase, MAO go
  an enzyme that catalyzes the oxidation of many body compounds (e.g., epinephrine and norepinephrine and serotonin)
  
• nitrogenase go
  an enzyme of nitrogen-fixing microorganisms that catalyzes the conversion of nitrogen to ammonia
  
• nuclease go
  general term for enzymes that catalyze the hydrolysis of nucleic acid by cleaving chains of nucleotides into smaller units
  
• oxidase go
  any of the enzymes that catalyze biological oxidation
  
• oxidoreductase go
  an enzyme that catalyzes oxidation-reduction
  
• papain go
  a proteolytic enzyme obtained from the unripe papaya
  
• penicillinase, beta-lactamase go
  enzyme produced by certain bacteria that inactivates penicillin and results in resistance to that antibiotic
  
• pepsin go
  an enzyme produced in the stomach that splits proteins into peptones
  
• pepsinogen go
  precursor of pepsin
  
• phosphatase go
  any of a group of enzymes that act as a catalyst in the hydrolysis of organic phosphates
  
• plasmin, fibrinolysin go
  an enzyme that dissolves the fibrin of blood clots
  
• polymerase go
  an enzyme that catalyzes the formation of new DNA and RNA from an existing strand of DNA or RNA
  
• protease, peptidase, proteinase, proteolytic enzyme go
  any enzyme that catalyzes the splitting of proteins into smaller peptide fractions and amino acids by a process known as proteolysis
  
• reductase go
  an enzyme that catalyses the biochemical reduction of some specified substance
  
• rennin, chymosin go
  an enzyme that occurs in gastric juice
  
• secretase go
  a set of enzymes believed to snip pieces off a longer protein producing fragments of amyloid protein that bunch up and create amyloid protein plaques in brain tissue (the pathological hallmark of Alzheimer's)
  
• streptodornase go
  an enzyme produced by some hemolytic strains of streptococcus that dissolves fibrinous secretions from infections
  
• streptokinase go
  an enzyme produced by some strains of streptococcus that can liquefy blood clots by converting plasminogen to plasmin
  
• superoxide dismutase, SOD go
  an enzyme that catalyzes the conversion of superoxide into hydrogen peroxide and oxygen
  
• telomerase go
  an enzyme in eukaryotic cells that can add telomeres to the ends of chromosomes after they divide
  
• transferase go
  any of various enzymes that move a chemical group from one compound to another compound
  
• trypsin go
  an enzyme of pancreatic origin
  
• urease go
  an enzyme that catalyzes the hydrolysis of urea into carbon dioxide and ammonia
  
• zymase go
  a complex of enzymes that cause glycolysis