1994c-155 aminoacids aminoacidsequence analysis andproteins biochemistry biopharmaceutics biotechnology consensussequence enantiomers glycosylation laboratorymanuals lipoproteins metabolism methods peptides pharmaceuticalbiotechnology physiology post-translationalmodification proteinbiosynthesis proteinengineering proteinprocessing proteins proteome proteomics qu252008 qu25p8582002 qu25p966681999 qu55a311i1990 qu55g776c1994 technique