title: Non-tryptophan fluorescence associated with human lens protein; apparent complexity and isolation of bityrosine and anthranilic acid.
mesh_terms: D002386:Cataract / Q000378:metabolism*; D003459:Crystallins / Q000032:analysis*; D006801:Humans; D007908:Lens, Crystalline / Q000032:analysis*; D013050:Spectrometry, Fluorescence; D014364:Tryptophan / Q000032:analysis; D014443:Tyrosine / Q000302:isolation & purification*; D062367:ortho-Aminobenzoates / Q000302:isolation & purification*
chemical_list: D003459:Crystallins; D062367:ortho-Aminobenzoates; D014443:Tyrosine; D014364:Tryptophan