adp-ribosylation acetate acetylation acylation albumin amino acid amino acid synthesis anisomycin antibiotic arginine asparagine carbohydrate carboxylation chloramphenicol cistron citrullination cycloheximide cysteine cytoplasm dna deamidation deamination desmosine disulfide bond enzyme erythromycin eukaryote fibrous protein flavin formylation functional group genetic code genome globular protein globulin glucose glutamine glycation glycosylation hydroxylation lipid list of proteins list of types of proteins lysine membrane protein methylation myristoylation operon oxidative deamination palmitoylation peptide bond phosphate phosphorylation polyglutamylation polyglycylation porphyrin post-transcriptional modification posttranslational modification prenylation primary structure prokaryote proline proteasome protein protein domain protein folding protein methods protein structure protein targeting proteolysis proteome puromycin pyroglutamic acid rna polymerase racemization regulation of gene expression release factor ribosome sumo protein secondary structure serine streptomycin tertiary structure tetracycline threonine transcription factor tyrosine tyrosine sulfation ubiquitin