title: The relationship of the Quaternary structure of allophycocyanin to its spectrum.
mesh_terms: D006863:Hydrogen-Ion Concentration; D010798:Phycocyanin / Q000032:analysis*; D010860:Pigments, Biological / Q000032:analysis*; D013050:Spectrometry, Fluorescence; D013053:Spectrophotometry; D013329:Structure-Activity Relationship; D014461:Ultracentrifugation
chemical_list: D010860:Pigments, Biological; C002497:allophycocyanin; D010798:Phycocyanin