title: Involvement of histidine residues in the substrate binding of elongation factor Tu from Thermus thermophilus: proton nuclear magnetic resonance and photooxidation study.
mesh_terms: D001665:Binding Sites; D006639:Histidine / Q000378:metabolism*; D009682:Magnetic Resonance Spectroscopy; D010084:Oxidation-Reduction; D010445:Peptide Elongation Factors / Q000378:metabolism*; D010777:Photochemistry; D013824:Thermus / Q000378:metabolism*
chemical_list: D010445:Peptide Elongation Factors; D006639:Histidine