enzyme, receptor, proteins, molecule, peptide, kinase, glycoprotein, polymerase, proteinase, cysteine, trypsin, antibody, ligand, tubulin, reverse transcriptase, secretase, fibronectin, ligase, acetylation, phosphorylation, cytokine, endonuclease, nuclease, neuraminidase, mrna, glycosylation, polypeptide, subunit, histone, virion, cofactor, epithelial, superoxide dismutase, haemagglutinin, metabolic pathway, antigen, esterase, capsid, plasminogen, macrophages, epitope, rna, trna, triphosphate, phosphoprotein, messenger rna, glycolipids, atpase, lectin, tetramer, cyclooxygenase, avidin, nucleocapsid, phagocytosis, liposomes, dimer, inhibitor, mannose, endoplasmic reticulum, nucleotide, interleukin, oligomer, proteolysis, peroxidase, poxvirus, retrovirus, neuromuscular junction, endosome, arginase, ribonuclease, porphyrins, isoenzymes, acetylcholinesterase, indole, intron, vesicle, ganglioside, tyrosine, epithelial cell, polyclonal, molecular, oncogene, polysaccharides, mucin, amino acid, biosynthesis, nucleosome, phospholipid, collagenase, dephosphorylation, innate immunity, cell membrane, oligosaccharide, oligonucleotide, plasminogen activator, trimer, caspase, suppressor gene, plasmid, cytosine, agrobacterium, mab, proteinases, proteases, phosphatase, protein, kinases, lipase, peptidase, glycoproteins, activator, phosphatases, polypeptides, polysaccharide, heparin, ca2, glucocorticoid, oxygenase, steroid, adenosine, allosteric, calmodulin, coenzyme, cytochrome, folic, glucosidase, glutamate, hormone, phage

crixivan, drug cocktail, haart, highly active antiretroviral therapy, indinavir, invirase, nelfinavir, norvir, pi, plasminogen activator, protease inhibitor, ritonavir, saquinavir, urokinase, viracept

enzyme

peptidase, proteinase, proteolytic enzyme