title: Evidence that the essential, photosensitive histidyl residue in the beta2 subunit of tryptophan synthetase is in the pyridoxyl peptide.
mesh_terms: D000595:Amino Acid Sequence; D000596:Amino Acids / Q000032:analysis; D001665:Binding Sites; D002850:Chromatography, Gel; D002854:Chromatography, Paper; D004590:Electrophoresis, Paper; D004926:Escherichia coli / Q000201:enzymology; D006639:Histidine / Q000032:analysis; D010446:Peptide Fragments / Q000032:analysis; D010777:Photochemistry; D011485:Protein Binding; D011730:Pyridoxal; D011732:Pyridoxal Phosphate; D012694:Serine; D013056:Spectrophotometry, Ultraviolet; D014357:Trypsin; D014367:Tryptophan Synthase
chemical_list: D000596:Amino Acids; D010446:Peptide Fragments; D011730:Pyridoxal; D012694:Serine; D006639:Histidine; D011732:Pyridoxal Phosphate; D014357:Trypsin; D014367:Tryptophan Synthase