title: The structure of a repressor: crystallographic data for the Cro regulatory protein of bacteriophage lambda.
mesh_terms: D003090:Coliphages; D008970:Molecular Weight; D012097:Repressor Proteins; D014157:Transcription Factors; D014961:X-Ray Diffraction
chemical_list: D012097:Repressor Proteins; D014157:Transcription Factors