acetylcholine acetylcholinesterase acid actin adenine ala aldehyde align allostere alphahelix amide amine amino acid ammonia amphipathic antibodies arg aromatic ascorbic acid asn asp atp atpase bacterium barrel base benzene betasandwich betasheet blast butyl ca-dependent-degradation- carbohydrate carbonyl carboxy cartesian coordinates catalyse chaperone chiral chromosome circular dichroism citrate citric acid cycle codon cofactor collagen concanavalin A configuration conformation coulomb covalent bond crossed over crystallographic cys cystine cytokine cytoplasm cytosine cytoskeleton cytosol delocalisation deltahelix denature dipole disulphide bond dna dna topoisomerase domain electrospray-MS electrostatic enantiomer entropic enzyme ethanol ethyl eukaryote exocytosis exon fold foldase genbank gene genetic code genome glcnac gln glu glucose gly glycogen glycosidic bond glycosylate golgi greekkey groel guanine haem haemoglobin hairpin heatshock protein helix his histamine homology hydrogen bond hydrolase hydrolyse hydrophilic hydrophobic ig ile insulin interactions intermediate filament intron ion isomer isomerase jellyroll keratin kinase klotho lectin leu ligase lipase lyase lys lysosome lysozyme macromolecular mannose medline met methyl microtubule mitochondrion mrna myoglobin myosin myristoylate nbrf neurotransmitter nmr nuclear nucleoside nucleotide oligosaccharide omega orf organelle oxidative phosphorylation oxidoreductase pdb pectate peptidase peptide peptide bond periplasm peroxidase phe phi phosphatase phosphate phosphorylate pir polysaccharide primary structure pro prochiral prokaryote propyl prosthetic protease protein proteolyse psi purine pyrimidine pyruvate quaternary structure ramachandran rasmol receptor redox retinol reverse turn ribosome rna rnase rop rossmannfold rotamer rrna scop secondary structure seqnet sequence ser sheet side chain solvolysis ssrna stereocentre stereoisomer steroid hormone receptor structure subtilisin sulphur supersecondary structure swiss3d swissprot symmetry taq-polymerase tertiary structure thermophile thiol thr thymine torsion angle transcribe transferase translate transport triacylglycerol lipase trna trp trypsin tubulin tyr uracil urf val van der waals virus watson crick zinc finger zipper