title: Structure-function relationship in Escherichia coli initiation factors. Environment of the Cys residue and evidence for a hydrophobic region in initiation factor IF3 by fluorescence and ESR spectroscopy.
mesh_terms: D055598:Chemical Phenomena; D002621:Chemistry; D003553:Cystine / Q000032:analysis*; D004578:Electron Spin Resonance Spectroscopy; D004926:Escherichia coli; D005033:Ethylmaleimide; D007460:Iodoacetamide; D010448:Peptide Initiation Factors / Q000032:analysis*; D039665:Prokaryotic Initiation Factor-3; D013050:Spectrometry, Fluorescence; D013329:Structure-Activity Relationship; D014357:Trypsin / Q000378:metabolism
chemical_list: D010448:Peptide Initiation Factors; D039665:Prokaryotic Initiation Factor-3; D003553:Cystine; D014357:Trypsin; D005033:Ethylmaleimide; D007460:Iodoacetamide