dimers, proteins, transmembrane, molecule, superfamily, helices, fibronectin, tubulin, ligand, tropomyosin, polypeptide, microtubules, tetramer, centromeres, trna, cytosine, endonuclease, nucleotides, fibrils, exocytosis, peptides, actin, glycoproteins, cofactor, guanosine, adenine, alkyl, disulfide, myosin, moieties, atpase, chromatid, proteolysis, endoplasmic reticulum, cytochrome, serine, oligomer, cytosol, thymine, uracil, porphyrins, intron, epithelia, phosphorylation, histone, plasma membrane, nucleolus, heterochromatin, centrioles, centrosome, proteases, receptors, glycolipids, dynein, stilbene, substituents, chromophore, epoxide, vesicle, biogenesis, quinone, synthetase, alanine, operon, conformations, chloroplast, erythrocytes, acetylation, glia, nucleoprotein, imidazole, flagellar, monomers, organelle, nuclei, supramolecular, ribonuclease, effector, haemagglutinin, crystallin, acyl, biosynthesis, bilayer, transduction, homologues, plasminogen, histidine, nucleosome, flavin, carboxylate, guanine, dinucleotide, phenylene, glomerulus, phosphoprotein, subfamilies, mrna, trimer, phospholipid, interconversion, morphogen, cell membrane, subunit, polypeptides, isoforms, genes, macromolecules, domains, loci, mrnas, subclasses, chains, chromophores, modules, organelles, subassemblies, subpopulations, subsystems, antigens, cytochromes